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Fixing AC that blows hot air, Jeep AC dont work 

RB The Mechanic
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Videos are for Knowledge & Entertainment purposes only.
Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. RB The Mechanic recommends to follow safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, chemicals, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of RB The Mechanic, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not RB The Mechanic.

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12 сен 2024

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Комментарии : 271   
@doberto77
@doberto77 4 года назад
I searched high and low on google for the correct size. I appreciate you adding it into the description.
@gregorysanchez7367
@gregorysanchez7367 4 года назад
Thanks. That worked. Saved me time, money and headache.
@RBTheMechanic
@RBTheMechanic 4 года назад
Gregory Sanchez nice job .... please subscribe also subscribe to my other channel here’s a link ru-vid.com/show-UCvqsPzqAZfVv_gjBYUFqNdg
@rickwhepley3377
@rickwhepley3377 3 месяца назад
Word of caution to all you guys, if you want to bypass the sensor, make sure its a 2 wire sensor and not a 3 wire. The 3 wire sensor has a 5 volt reference to the computer and if you try to bypass that with the wrong wire, it will fry the computer. So make sure you have identified the wiring. A lot of old school guys learned the hard way about it.
@RBTheMechanic
@RBTheMechanic 3 месяца назад
Yes thank you for the tip I did video just on that
@grandpanero7284
@grandpanero7284 2 года назад
Thank you for this video. But what about the other 3 pin sensor??
@patrickeason7239
@patrickeason7239 2 года назад
2006 and 2007 Jeeps are notorious for AC problems. I have a 2006 Wrangler and I have had the AC worked on 3 times.
@RBTheMechanic
@RBTheMechanic 2 года назад
Yeah Jeep thing!!!
@robertayres8096
@robertayres8096 3 года назад
Turn on vehicle, fan doesn't work. Pull fan relay and plug back in, fan starts working. Turn off vehicle then restart. Fan doesn't work. Pull relay again and plug it back in. Fan comes back on.
@jefferywarburton2116
@jefferywarburton2116 3 года назад
sounds like a stuck relay
@equaltemp7075
@equaltemp7075 2 года назад
The low pressure switch that you replaced may not necessarily be faulty. Low refrigerant can stop the compressor from engaging as well.
@RBTheMechanic
@RBTheMechanic 2 года назад
We charged the system prior to that
@benpease4969
@benpease4969 Год назад
@@RBTheMechanic shoulda said so....
@sonyastrickland4670
@sonyastrickland4670 3 месяца назад
Thanks so much for the video! Does a 2006 Jeep Liberty have an AC expansion valve? If so can you tell me where it’s located? Thank you!
@RBTheMechanic
@RBTheMechanic 3 месяца назад
Yes it dose I have to loook on my shop data computer
@billiebowling7755
@billiebowling7755 3 года назад
That is a low pressure cutoff switch when Freon leaks out it shuts your compressor off so it does not damage it it does not necessarily mean the switch is bad could just be low on freon so you must check to see if air comes out cold if it is coming out cold with your little jumper then the switch is bad
@RBTheMechanic
@RBTheMechanic 3 года назад
I had serviced the system prior so it wasent lot good informational tho
@grindeveryday6945
@grindeveryday6945 2 года назад
Great video! This absolutely helped me fix my ac
@RBTheMechanic
@RBTheMechanic 2 года назад
Nice job!!
@carlosgodina1682
@carlosgodina1682 Год назад
Muchas gracias con ese método la verdad mi compresor no entraba tenia gas pero no entraba y el mecánico me dijo q era una falla eléctrica pero no me convencí muy bien de eso y viendo tu video me ayudo bastante hice loq tu isistes puentear el sensor y fue como funciona el compresor la verdad muchas graciass me ahorre un dineral ai
@jimanderson6325
@jimanderson6325 2 года назад
This video is good only if your AC system has a charge. The charge should be checked before jumping the pins on the low pressure switch.
@SonjhaiMeggette
@SonjhaiMeggette 4 года назад
greetings thanks for your knowledge. question. oil is leaking now-and there is no water in the coolant. just noticed this morning. is it the gas pan, Ihope nothing serious taking it to the shop.
@jasonsimmons6684
@jasonsimmons6684 Месяц назад
So what about the 3 wire high side switch? I have an 02 liberty that the clutch doesn't engage, even with the low side jumped. I show no power at the clutch via testlight. Will the high side switch completely cut power? All fuses and relays appear to be good. I don't want to spend 100$ on a switch if it's not the problem. I have some as experience, but I hate wiring stuff and I don't have the info for testing ohms and bolts and such.
@RBTheMechanic
@RBTheMechanic Месяц назад
What’s ur ac refrigeration pressure
@jasonsimmons6684
@jasonsimmons6684 Месяц назад
@@RBTheMechanic There's none on my gauges, but the clutch should still engage when the low side is jumped.
@RBTheMechanic
@RBTheMechanic Месяц назад
@@jasonsimmons6684 prolly not I would start with recharging and try adding refrigeration to find leaks since it got none must have a leak
@Ods1914
@Ods1914 4 года назад
Good trick here what would be recommend if the ac and fan will not kick on?
@alejandroruiz3370
@alejandroruiz3370 3 года назад
Try resistor
@user-fx3sj1vf5q
@user-fx3sj1vf5q 2 месяца назад
I have a 2 year old Wrangler Jeep, with only 25K miles, and a couple of days ago, the ac started blowing hot air. I have to wait a couple of days to take it in, but the vehicle is still like new, to have a problem like that
@RBTheMechanic
@RBTheMechanic 2 месяца назад
Oh warrnty?
@user-fx3sj1vf5q
@user-fx3sj1vf5q 2 месяца назад
@@RBTheMechanic yes, and I just had oil change and tire rotation done about a week ago
@SerafinGonzalez-ke5vh
@SerafinGonzalez-ke5vh Год назад
Thx for the help can u tell me if I Changer the ac compressor need to vacuum the system ?
@RBTheMechanic
@RBTheMechanic Год назад
I didn’t understand but working on the systym to recharge u always have to vaccum it
@hughphillips67Mustang
@hughphillips67Mustang Год назад
So on the other sensor with the 3 terminals......which ones do you cross your check it? I did the one you showed here in this video. It works. The ac clutch turns on and off. Shows it's full (overfull) with freon. But still hot air coming out. Looking for other options......
@RBTheMechanic
@RBTheMechanic Год назад
I don’t mess with 3 pron u can burn the module
@onetosaintfort9936
@onetosaintfort9936 Год назад
Hi.. I've got a grand jeep Cherokee laredo 2005 v6 ,so then why the AC works pretty on the back but doesn't work well to the front, it works just like a fan
@RBTheMechanic
@RBTheMechanic Год назад
It had bled doors that turn air to back and front so it could be front door stuck
@versatileduoandpups2266
@versatileduoandpups2266 3 года назад
Hey!! Do you have a video on changing the switch!?
@RBTheMechanic
@RBTheMechanic 3 года назад
Sorry I dont
@chonarrambide5375
@chonarrambide5375 3 года назад
Yeah I took ohh low pressure sensor and I get a peace of wire put it on connector it didn’t work I have the light on now you turn motor on sometimes ac turn on and sometimes it don’t turn on at all compressor new the low and high pressure line new and both sensors, my next move I think it’s the on off switch, would it work the right thing to do
@RBTheMechanic
@RBTheMechanic 3 года назад
Check fuse relay and pressure in system
@sfdindustries9135
@sfdindustries9135 2 года назад
99 wrangler tj, I put refrigerant in and compressor cuts on and off every few seconds but never cools.
@RBTheMechanic
@RBTheMechanic 2 года назад
Did u use cans?
@sfdindustries9135
@sfdindustries9135 2 года назад
@@RBTheMechanic yes, it would say full on the gauge and the compressor would start engaging but it would just only stay engaged for a few seconds then cut off then cut back on
@RBTheMechanic
@RBTheMechanic 2 года назад
@@sfdindustries9135 that could be air pressure that’s the problem with using cans ur not vacuuming the system
@jaystaton9137
@jaystaton9137 5 лет назад
My 2000 Jeep a/c doesn’t cool, but condensation forms on aluminum going into firewall. Has plenty of Freon. Any suggestions?
@RBTheMechanic
@RBTheMechanic 5 лет назад
Jay Staton dose the ac compressor engages? Some times you can have r134 in the system with pressure is too high will not let the ac be cool
@jaystaton9137
@jaystaton9137 5 лет назад
I don’t know. Will have to check it tomorrow. When I put Freon in, the gauge didn’t go into the blue. One point, sometimes when I start the car, I believe the a/c unit under the hood makes a funny sound almost like a slipping belt, and then blows out white smoke.
@jaystaton9137
@jaystaton9137 5 лет назад
The aluminum just before the firewall gets col real fast. The unit turns on.
@dustinmartin31
@dustinmartin31 2 года назад
My 99 Jeep xj is doin the same thing did you ever fix it ?
@jamiejohnson8176
@jamiejohnson8176 Год назад
My jeep same problem
@ConfedVet
@ConfedVet 4 года назад
I bypassed my AC comp on my 2005 Jeep Liberty by using a short belt as I saw on YT. But the water pump runs backwards. Will that hurt anything? Water still circulates and it's not over heating. Just looking for expert advice. THX US Army Retired Vet
@RBTheMechanic
@RBTheMechanic 4 года назад
Confed Vet yeah it’s gonna change direction or have no flow. Will over heat
@charlie4870
@charlie4870 Год назад
Gracias buen video!!👍👍👋
@nicknice3610
@nicknice3610 3 года назад
I did this and it didnt work but i could hear a shhhhh noise. Any thoughts?
@rmblocker
@rmblocker Год назад
How do you tell if the compressor is on or not. All belts seem to be moving in your video...is there a light...should something be moving?
@RBTheMechanic
@RBTheMechanic Год назад
He compressor clutch should engage center will start to spin with outter belt contact pullie
@rmblocker
@rmblocker Год назад
@@RBTheMechanic Thanks. Have one that I topped off with refrigerant and compressor kicked on but still blows hot air??? Any thoughts?
@RBTheMechanic
@RBTheMechanic Год назад
@@rmblocker how did u refill with cans!?
@jorgeenriquegarciavillanue3808
Do you have any video or how would I stay connected? I have exactly the same problem, good day.
@RBTheMechanic
@RBTheMechanic Год назад
What u mean stay connected?
@jasonjones1693
@jasonjones1693 2 года назад
How about the other pressure switch closer to the compressor? Will that one not leak when you disconnect it?
@RBTheMechanic
@RBTheMechanic 2 года назад
Not sure about that one
@memberson
@memberson 4 года назад
I like your video very good I'm working on right now this moment a 2003 Jeep Liberty Sport don't know where the low side port is got one up front that looks like a pork butt it the tool won't fit on it
@RBTheMechanic
@RBTheMechanic 4 года назад
MORNING GARDENER'S SHOW. Look around follow the ac lines there one on the accumulator I believe by the coolant tank
@LM-asAboveSoBelow-...
@LM-asAboveSoBelow-... 2 года назад
I have a 05 liberty blows hot air after radiator was fixed I had heater core fan thermostat and all that done and air worked fine I don't know if radiator change could cause any problems? An on the 08 Impala the air works on the lowest setting but I cannot turn it up or it gets warmish and something around the dash gets so so loud from vibrating it makes me nervous the noise and vibrating any idea ? Thanks 👍
@RBTheMechanic
@RBTheMechanic 2 года назад
Well the Jeep check to see Freon pressure wand impala might be low on Freon on high speed it will not have enough cooling and vibration could be the blower motor
@rickl6697
@rickl6697 4 года назад
How do you know the switch is actually bad before you spend 40.00 for a new one.? You didn't say anything about checking to make sure the A/C inside the car was cooling normally once you jumped the low pressure switch and got the compressor running. If the Freon(?)was low the compressor would still run when the plug was jumped but there would be no cooling. If the Freon was low the switch if checked with a ohm meter would would be open(low pressure). A good or bad low pressure switch will act the same if the Freon(?)is low. The compressor won't engage.
@RBTheMechanic
@RBTheMechanic 4 года назад
Rick L your smart well we did get cold air once we jumped it the ac started to work
@lindahogg
@lindahogg 2 года назад
I have a question I have a 2003 Jeep Grand Cherokee Laredo I have water dripping inside right underneath my glove box also when I'm driving it and I'll pull up and stop and switch off I hear something under my hood going it sounds like a turbo fan blowing and it slowly stops what is that can you please help me
@RBTheMechanic
@RBTheMechanic 2 года назад
Is it ac water? Or rain water? If it’s ac water u need to clean out the drain have mechanic blow air on it
@josemustlearn
@josemustlearn Год назад
2004 Jeep Liberty, Ac compressor engages, fan kicks on, car has correct amount of Freon, fuses and relays are good but car still blows hot air. Any ideas?
@RBTheMechanic
@RBTheMechanic Год назад
Check ur bled door how ever u say all that is working and good ur low line should be cold other wise somthing u said is no good
@josemustlearn
@josemustlearn Год назад
@@RBTheMechanic low line does get cold it starts to condensate. one thing I did notice is when I had a pressure gauge on it that comes with those Freon bottles was that every time the compressor engaged the pressure dropped completely, is that a sign of a leak somewhere and what are your opinions on uv leak detectors do they cause any internal damage to o rings or other components?
@RBTheMechanic
@RBTheMechanic Год назад
@@josemustlearn check ur bled door
@JerryDowney-xi1pl
@JerryDowney-xi1pl 2 месяца назад
I have a 2015 jeep patriot, i turn on car turn on ac, it blows hot air, i check ambient pressure it show full, compressor is working, fan is going on and off.
@RBTheMechanic
@RBTheMechanic 2 месяца назад
Did u touch the low side line to see if it’s cold?
@Miguel-yf7gm
@Miguel-yf7gm 2 года назад
I have a 2008 Jeep Liberty the compressor doesn't come on can you tell me how to work it
@RBTheMechanic
@RBTheMechanic 2 года назад
You have to first check to see if your system have good ac refrigeration pressure which u need some tools for after that u need to check fuse and relay relay u can just swap it some faults can be low pressure no pressure ac pressure switch not working Fuse / relay bad Ac compressor bad
@nbiezinho
@nbiezinho 3 месяца назад
Hi, where can I find the air conditioning filter?
@RBTheMechanic
@RBTheMechanic 3 месяца назад
Inside the system or u talking about cabin filter for hvac
@DwightStebner
@DwightStebner Год назад
jumped that sensor, AC compressor still not turning on. All fuses and relays are good
@RBTheMechanic
@RBTheMechanic Год назад
Did u check to see if compressor has power possability compressor magnetic clutch not working and check Freon pressure
@DwightStebner
@DwightStebner Год назад
@@RBTheMechanic No power at the compressor, I jumped power and a ground direct to compressor and still nothing
@DwightStebner
@DwightStebner Год назад
@@RBTheMechanic I had can attached to low pressure side when I jumped sensor and put power to pump.
@RBTheMechanic
@RBTheMechanic Год назад
@@DwightStebner and what happned!
@DwightStebner
@DwightStebner Год назад
@@RBTheMechanic nothing.pressure at low side inlet did not increase. No ac clutch.
@jrokuzdakid7776
@jrokuzdakid7776 3 года назад
I have this similar problem on a 07 Jeep Compass but I don’t see no switch, so what do I do?
@RBTheMechanic
@RBTheMechanic 3 года назад
What’s going on do u have freon in the system?
@fee4sho580
@fee4sho580 3 года назад
Dang my ac was working fine added some 134 that I had put up for a year now ac blows hot 🥵 sometimes it might blow cold ❄️ what's wrong with it
@RBTheMechanic
@RBTheMechanic 3 года назад
Too much pressure in equal pressure air pressure so u will get hot cold hot cold. Try vaccume the system and add correct amount
@fee4sho580
@fee4sho580 3 года назад
@@RBTheMechanic thanks bro
@RBTheMechanic
@RBTheMechanic 3 года назад
@@fee4sho580 no problem
@reliks14
@reliks14 Год назад
If its blowing hot air is the compressor not kicking on?
@RBTheMechanic
@RBTheMechanic Год назад
U have to check to see if compressor engages physical because it could be bled door open to heat and that will blow hot regardless if compressor works or not
@reliks14
@reliks14 Год назад
Yeah I've an 08 liberty that the compressor isn't even getting power. Wasn't sure if it was the circuits in the tipm causing the issue 🤔
@reliks14
@reliks14 Год назад
​@RB The Mechanic you wouldn't happen to know how many pressure sensors an 08 liberty 3.7 has do you?
@reliks14
@reliks14 Год назад
@@RBTheMechanic I know my compressor isn't going for sure. I just put in a new pressure switch so I'm down to having to do a tipm. Gawd the things we do to make our lives ones comfortable lol
@katrinastevenson1380
@katrinastevenson1380 4 года назад
I have a 07 compass i had to replace my alternator. And the only way to get it was to drop the ac. I tried the freeon but uts not holding pressure. Any suggestions. Im a dyi chick
@RBTheMechanic
@RBTheMechanic 4 года назад
Jazya Stevenson did u say u propped the compressor? If u did check the seals on the lines for compressor but yes defiantly add dye
@katrinastevenson1380
@katrinastevenson1380 4 года назад
@@RBTheMechanic i am going to check the switch like you did its just blowing hot air. The pressure goes up when i put the a/c can on it but it wont hold. It may be the switch that you checked in your video. I no it works because its running just not cooling
@RBTheMechanic
@RBTheMechanic 4 года назад
Jazya Stevenson well you really can’t add a can u have to vaccume the system so there’s no air then add the right amount other wise too much pressure will not let it work and blow hot
@LienNguyen-vf1dm
@LienNguyen-vf1dm 4 года назад
My AC clutch won’t engage. It blows out hot air. I can turn the clutch manually. Tested AC clutch relay, low pressure switch, fuses, connector above the clutch with a paper clip. Nothing engaged the AC clutch. Any ideas of what could be wrong?
@RBTheMechanic
@RBTheMechanic 4 года назад
Lien Nguyen dose the system have Freon? Also check to see if there power and ground at ac compressor
@angelabobak733
@angelabobak733 2 года назад
Where is that part on a 2015 jeep patriot? It looks very different
@RBTheMechanic
@RBTheMechanic 2 года назад
It’s on the left side but u cannot jump that one it 3 pron
@angelabobak733
@angelabobak733 2 года назад
@@RBTheMechanic well shoot! Thanks so much 😊
@davc6879
@davc6879 Год назад
My a/c competitor comes on but seems to click on and off. I literally hear it click on and off. Then when I connect a a/c recharge container/hose, when it click the pressor fluctuates
@RBTheMechanic
@RBTheMechanic Год назад
Not good idea to use the cans try having it reserviced with ac machine u will only jam pressure in to the system with cans
@davc6879
@davc6879 Год назад
@@RBTheMechanic last year I did have it serviced at a shop and the issue wasn't resolved. figured he mightve been trying to rip me off. For if the pressure fluctuate he could've had an idea, yet after this posted comment. I seen an issue could be the ac pressure switch, gonna try that and see
@robertflagg2541
@robertflagg2541 3 года назад
where to start if the "AC" button light on the dash does not come on?
@RBTheMechanic
@RBTheMechanic 3 года назад
Start by checking the ac pressure in the system
@cynthiahood89
@cynthiahood89 Год назад
I'm having weird issues like this but with my heater. We changed out the whole climate control and it blows very hot but then stops and blows cold air. So completely confused. If we take out climate control and put another in same thing starts hot then completely stops turns cold
@RBTheMechanic
@RBTheMechanic Год назад
Ok well u need to check and see if it turn the bled door motor keep an eye on it
@jamilalymane4452
@jamilalymane4452 2 года назад
Hei.I have everything working fine, but when the car heats up to 90 degrees, the air conditioner turns off and does not work, and every time I turn it on it turns off, why? Greetings to you
@jamilalymane4452
@jamilalymane4452 Год назад
I found the solution, which is to change the control panel of the air conditioner
@jamilalymane4452
@jamilalymane4452 Год назад
I found the solution, which is to change the control panel of the air conditioner
@collynalonso3080
@collynalonso3080 4 года назад
Can you just rig it by jumping it out and then it will work? if so can it be used for a semi-permanent fix?
@RBTheMechanic
@RBTheMechanic 4 года назад
Collyn Alonso no because it will keep pumping you will blow the compressor lines seal etc...
@johnmixon22
@johnmixon22 4 года назад
You say cotter pin, but a paper clip shaped to a U shape will do.
@RBTheMechanic
@RBTheMechanic 4 года назад
John Mixon yup that will do also
@a.jimenez844
@a.jimenez844 3 года назад
I took my jeep to dealership for some work that had nothing to do with my AC. AC was working perfectly. And now having problems with AC. It blows hit aire and for some crazy reason it blowing cold air but goes back to hit air. How can I fix it?
@RBTheMechanic
@RBTheMechanic 3 года назад
Check ur relay… what did it go for at the dealer?
@grandpanero7284
@grandpanero7284 2 года назад
@@RBTheMechanic pls sir, what about the other 3 pin sensor??
@RBTheMechanic
@RBTheMechanic 2 года назад
@@grandpanero7284 the 3 pin u can mess around with but u can replace it
@grandpanero7284
@grandpanero7284 2 года назад
@@RBTheMechanic I understand you better sir. Can you be of help for other work too even if I am going to pay?? I am an electrician. Or you link me to some groups where I'd meet people with more experience for more guidance about my work. I like to learn, Thanks in advance!!
@RBTheMechanic
@RBTheMechanic 2 года назад
@@grandpanero7284 what u need help with explains me
@Juggernautyb
@Juggernautyb 3 года назад
My pressure switch connector has 3 wires. How do I know which 2 to connect to jump it?
@RBTheMechanic
@RBTheMechanic 3 года назад
With 3 u can just it’s very tricky but see if the system-have Freon pressure
@Juggernautyb
@Juggernautyb 3 года назад
@@RBTheMechanic I believe it does. It was recharged. Stopped working a couple days later. Then worked and stopped working. The pressure switch was new but I'm thinking it failed. Every other ac related part is new except for the evaporator.
@RBTheMechanic
@RBTheMechanic 3 года назад
@@Juggernautyb how did u recharge? Did u use cans?
@Juggernautyb
@Juggernautyb 3 года назад
@@RBTheMechanic An auto shop evacuated and charged the system. They said pressure was low and recommended I changed the compressor. So after I did that and brought it back, it worked for a short period.
@RBTheMechanic
@RBTheMechanic 3 года назад
@@Juggernautyb not sure what else could be try checking pressure again do it whitch ac running if it’s cuts off u should be able to see pressure
@memberson
@memberson 4 года назад
Very good video I have this exact car but the I want to charge the system but my charger won't fit on the low side. It's too small what's going on just it come with the proper size fitting or do I need to purchase it? Thank you
@yakuachbach6083
@yakuachbach6083 4 года назад
Yea they will have a adapter at auto zone you might have to twist the other one off
@RBTheMechanic
@RBTheMechanic 4 года назад
MORNING GARDENER'S SHOW. Not sure what u mean it suppose to fit what are u using one of those cans?
@rockf7338
@rockf7338 3 года назад
It would have been better if he showed how to jump the 3 wire switch (the important one) instead of droning on about this one.
@jeffwest261
@jeffwest261 3 года назад
Did you figure out how to jump three pin plug?
@rockf7338
@rockf7338 3 года назад
@@jeffwest261 yes I did and it worked. Great care has to be taken to ensure you don't jump/touch what you shouldn't.
@jeffwest261
@jeffwest261 3 года назад
Ok so what two do you jump
@charlesscott4806
@charlesscott4806 11 дней назад
How do you check the other please
@RBTheMechanic
@RBTheMechanic 11 дней назад
3prom u cant
@charlesscott4806
@charlesscott4806 11 дней назад
@@RBTheMechanic ohh ok thanks
@charlesscott4806
@charlesscott4806 11 дней назад
What does it mean when you try the trick you showed n the compressor clutch doesn't engage
@RBTheMechanic
@RBTheMechanic 11 дней назад
@@charlesscott4806 it suppose to work it’s like making direct path for power
@mrsamsung8184
@mrsamsung8184 3 года назад
God I almost fell asleep waiting for this guy to spit something out here holy crap
@thaddeuskeanu8456
@thaddeuskeanu8456 3 года назад
Instablaster.
@rockf7338
@rockf7338 3 года назад
No kidding. A cure for insomnia.
@JanoyCresva
@JanoyCresva 4 года назад
My AC compressor in my 04 dodge durango stays on all the time. Well only when i push the AC button. When i turn the AC off the compressor does shut off. But when i turn it on it doesnt cycle. Not even when its cold outside. I hooked up a gauge to the low side and instead of the needle dropping then slowly moving back up high, it stays low and moves so slow. AC in the fornt blows hot and the back blows cool but not cold. I could only find one of these switches on the high pressure side. So maybe my durango doesnt have a low switch?
@RBTheMechanic
@RBTheMechanic 4 года назад
Janoy Cresva check time see relay I’m not sure if this truck has relay but try looking in relay box it can be stuck relay ... also have ac system serviced some times if pressure stays high it will not cut off
@josedel7439
@josedel7439 2 года назад
My jeeps compressor only kick on when radiator fan turns on. Once fan stops, compressor stops. What could be my issue?
@RBTheMechanic
@RBTheMechanic 2 года назад
I’m not sure if ur explaining everything is ur ac on are Turing on the ac or it dose on it’s on? Also is the defrost on?
@josedel7439
@josedel7439 2 года назад
@@RBTheMechanic well, nothing blows when I turn ac/heat with knob on low or high... compressor kicks on only when radiator fan starts to spin,that's when blower starts. It's weird.
@josedel7439
@josedel7439 2 года назад
Bought jeep grand Cherokee with that issue
@RBTheMechanic
@RBTheMechanic 2 года назад
@@josedel7439 if ur not getting any air at all it’s ur blower motor check to see if ur has power and ground on the connector with it on full speed key on acc
@josedel7439
@josedel7439 2 года назад
@@RBTheMechanic I have 2 jeeps. I swapped blower motor, and both work fine on my other jeep. I also replaced resistor.. thank you for your reply.. yeah, this jeep is possessed 🤦‍♂️
@jerdmpsy
@jerdmpsy 4 года назад
I was able to get my a/c clutch to turn on by jumping it. I then replaced my low pressure switch, but the a/c clutch still won't turn on. Any ideas? Do I need to replace the high pressure switch as well?
@RBTheMechanic
@RBTheMechanic 4 года назад
Jereme change them bot check ur freeon level
@jerdmpsy
@jerdmpsy 4 года назад
@@RBTheMechanic I changed both of them. I don't have any gauges... will parts shop check that for me?
@RBTheMechanic
@RBTheMechanic 4 года назад
Jereme no they can only scan the car for you you might need to have the pressure checked at mechanic shop did u try pushing the pin inside the low pressure charging port to see if it dose have any pressure?
@jerdmpsy
@jerdmpsy 4 года назад
Okay. I didn’t try pushing the pin in. I might try that
@RBTheMechanic
@RBTheMechanic 4 года назад
Jereme yeah try it and it shoot shoot out like some type of gas can’t be weak pressure shooting or dry air then it might just need servicing look in to checking for leaks
@darlingsunshine4824
@darlingsunshine4824 Год назад
Hello, are you still active? My ac runs “cool” on my driver side but on my passenger and in the back it runs warm or hot. Can you help me?
@RBTheMechanic
@RBTheMechanic Год назад
Check Freon pressure low side should be around 53 to 45 with us running
@darlingsunshine4824
@darlingsunshine4824 Год назад
@@RBTheMechanic Okay. The fan is running and everything it’s just the temperature inside.
@RBTheMechanic
@RBTheMechanic Год назад
@@darlingsunshine4824 ad not working just blower
@darlingsunshine4824
@darlingsunshine4824 Год назад
@@RBTheMechanic Ac right? But when I add the Freon it should work right?
@dominicgoodrich
@dominicgoodrich 3 месяца назад
Blend door actuators
@jeremyglass141
@jeremyglass141 4 года назад
My 2007 jeep liberty ac button inside the cab is not lighting up to indicate the ac is on. Also my compressor is not engaging
@RBTheMechanic
@RBTheMechanic 4 года назад
Jeremy Glass check time see if there’s ac Freon pressure u can locate the charging port and push on the valve should have good pressure if it dosent then that’s the problem try that first also check fuses and located the ac pressure switch that might be next step forward
@marisolvasconcelos1146
@marisolvasconcelos1146 4 года назад
So on my jeep liberty 2005 everything turns on and runs but the only problem is that it blows really hot air when its on the ac and it blows even hotter when its on a higher setting it doesnt cool at all
@RBTheMechanic
@RBTheMechanic 4 года назад
Marisol Vasconcelos our the ac on and touch the fat ac line and see if it’s cold. If it’s cold then it might be ur ac blend door stuck on heat side
@RBTheMechanic
@RBTheMechanic 4 года назад
Here’s a link to another Jeep problem was opposite it was stuck on cold so no heat in winter might want to look in to the blend door motor if the ac line dose get cold
@lamarcarter6699
@lamarcarter6699 3 года назад
It’s called a Schroeder valve
@timharris6928
@timharris6928 3 года назад
Having same issue with my girls ac but she has a 2015 renegade
@RBTheMechanic
@RBTheMechanic 3 года назад
Tim Harris start with checking ac Freon fuse and relay it it has it... put the ac on and tell me what’s going on dose it feel like the radiator fans come on
@frankmachado1010
@frankmachado1010 2 года назад
this does not do it if you own a 07 patriot 4 cyl, line and pump are totally different...
@RBTheMechanic
@RBTheMechanic 2 года назад
Yup it is
@olivehanderson9383
@olivehanderson9383 Год назад
Did you notice that switch wire you pried off had a lock on it..
@RBTheMechanic
@RBTheMechanic Год назад
The red retainer
@Jcw-gj7br
@Jcw-gj7br 4 года назад
My wife's 2005 Jeep Liberty will blow cold air intermittently and blow warm air. I can hear compressor cycling. What should I check?
@RBTheMechanic
@RBTheMechanic 4 года назад
Jcw1084 try having the system reset ice new oil in ac and Freon
@Jcw-gj7br
@Jcw-gj7br 4 года назад
@@RBTheMechanic , I actually had a chance to look closer after engine ran hotter than normal. The electric radiator fan motor went out cause it never would come on. I changed it out with a new one and doesn't run hot. The A/C is cold again.
@RBTheMechanic
@RBTheMechanic 4 года назад
Jcw1084 oh yup that good when car is too hot Conputer cuts off ac so it doesn’t get very hot
@vicmarion3351
@vicmarion3351 4 года назад
You said the other pressure switch has three prongs.How do you check that one.
@RBTheMechanic
@RBTheMechanic 4 года назад
Vic Marion that one is too complicated I wouldn’t mess with it but best things to do is just replace it checking will be way too long and complicated there 5 volt reference signal and if u do somthing wrong u can fry the computer
@vicmarion3351
@vicmarion3351 4 года назад
@@RBTheMechanic Thank you, I'll just replace it.
@wendydickerson8908
@wendydickerson8908 5 лет назад
I bought a 2005 jeep liberty. I noticed it has been in 4 wheel drive for over seven months. It doesn't feel like it will go back in 2 wheel drive. Any suggestions would be appreciated.
@RBTheMechanic
@RBTheMechanic 5 лет назад
Wendy Dickerson try disengaging again try it few times I had this problem one time I did this several times and it worked but I will get back to you tomorrow after I check on my pc and let u know maybe you have the servo bad I will give u proper name tomorrow and let u know where it’s located
@RBTheMechanic
@RBTheMechanic 5 лет назад
Wendy Dickerson check the motor on 4 wheel drive that engages and disengages I can’t find diagram also check your fuses and trying going in and out of 4 wheel again and again some times it’s stuck
@wendydickerson8908
@wendydickerson8908 5 лет назад
I will try. Thank you very much.
@RBTheMechanic
@RBTheMechanic 5 лет назад
Wendy Dickerson ok let me know what happens I will look for more information
@RBTheMechanic
@RBTheMechanic 5 лет назад
Wendy Dickerson there is cable going to transfer case check if that’s connected
@janetalvarez7296
@janetalvarez7296 5 лет назад
If I don’t have a cotter pin, (I think that’s what you said in the video), what can I use to test? Or jump start it?
@RBTheMechanic
@RBTheMechanic 5 лет назад
janet alvarez u can use a small wire to stick in. Please subscribe
@janetalvarez7296
@janetalvarez7296 5 лет назад
RB The Mechanic will do. And thank you for the reply
@RBTheMechanic
@RBTheMechanic 5 лет назад
janet alvarez no problem anytime! But I forgot to mention dose the system have ac gas u can check by pushing the low side charging valve port if it dosent the jump the sensor wires other wise u will just cause the system to make the compressor on
@grahamshatter6625
@grahamshatter6625 4 года назад
I replaced the sensor and the clutch still wont engage. But when I jump the wires it engages. Could there possibly be low oil in the compressor? Being the reason the clutch won't engage?
@RBTheMechanic
@RBTheMechanic 4 года назад
D3RDY B3RD check ac Freon pressure
@grahamshatter6625
@grahamshatter6625 4 года назад
@@RBTheMechanic ok thanks. Let a guy I work with check it out and he came up with the clutch being bad. Thank you
@korbyncarlson5741
@korbyncarlson5741 5 лет назад
what is that part called that didn’t work and where do you buy it?
@RBTheMechanic
@RBTheMechanic 5 лет назад
Korbyn Carlson ac pressure switch u can buy it anywhere they sell auto parts. Autozone pep boys
@dustinduplantis1891
@dustinduplantis1891 4 года назад
I did exactly what you did on my 00’ Jeep Grand Cherokee and I got the compressor to kick on but my fan did not kick on. And also I felt my big ac hose and it was hot to the touch. Any suggestions?
@joebrown5249
@joebrown5249 4 года назад
Is the pipe hole behind the washer fluid refill where I connect to top off/add freon?
@RBTheMechanic
@RBTheMechanic 4 года назад
Joe Brown I’m not sure what u mean the filler port is one on the accumulator
@joebrown5249
@joebrown5249 4 года назад
To add freon on jeep liberty is it behind passenger side headlight?
@RBTheMechanic
@RBTheMechanic 4 года назад
Joe Brown it’s in that area there 2 ports one should be close the the coolant reserva if u have the same car it’s on the accumulater box
@ericcsmith1556
@ericcsmith1556 4 года назад
How do you check the 3 sensor one in the front on the 07 Jeep Liberty ? It’s not coming on when I check the one on the compressor with the cotter pin
@RBTheMechanic
@RBTheMechanic 4 года назад
Ericc Smith there’s one by the coolant reservoir by fire wall on accumulator check that one also before that check to see if u have ac gas pressure
@alexleon0000
@alexleon0000 3 года назад
I already swap the ac switch still nothing
@RBTheMechanic
@RBTheMechanic 3 года назад
Do u have good ac pressure how about fuses and relay check everything also check to see if ac compressor has power with ac on
@Bobby_Bobb
@Bobby_Bobb 4 года назад
I have a 2004 jeep grand cherokee with same issue but where can I find the switch to test it?
@RBTheMechanic
@RBTheMechanic 4 года назад
10frizzy23 u mean where u can buy it or location of switch
@Bobby_Bobb
@Bobby_Bobb 4 года назад
@@RBTheMechanic the location of the switch
@RBTheMechanic
@RBTheMechanic 4 года назад
10frizzy23 I’ll tell u tomorrow
@highonelevation9102
@highonelevation9102 4 года назад
Thank you
@RBTheMechanic
@RBTheMechanic 4 года назад
Jonny C no problem please subscribe also subscribe to my other channel here’s a link ru-vid.com/show-UCvqsPzqAZfVv_gjBYUFqNdg
@edwind4842
@edwind4842 4 года назад
Hi I'm have few cars I put freon myself but I have some that worked other didn't, here is the problem has the right amount of freon pressure gauges 40 psi on low side 150 to 225 on high side all fans working right ac compressor engages new cabin filter everything looks good doing what it suppose to but the vents temperature is about 60 F at full blast I dont know why any ideas ?
@RBTheMechanic
@RBTheMechanic 4 года назад
edwin D ok touch the fat pipe on the ac it should be ice cold let me know if it’s ice cold? Let me know what kinda car u have year make model
@RBTheMechanic
@RBTheMechanic 4 года назад
edwin D also try putting heat on it should boss heat hot tem then switch it to cold let me know if it switches back and forth to conform the blend door motor works
@edwind4842
@edwind4842 4 года назад
@@RBTheMechanic yes it does switches from hot to cold on hot I get about 100 f on cold is about 60 f
@RBTheMechanic
@RBTheMechanic 4 года назад
edwin D ok so maybe u don’t have enough refrigeration in the system or it has too much did u vaccume the system and put the correct amount
@edwind4842
@edwind4842 4 года назад
@@RBTheMechanic yes I did vacuum the system the I put the right amount 1.8 onzes as specified on the low side port
@koryhoward4640
@koryhoward4640 3 года назад
I need the pin out for the three pin harness
@RBTheMechanic
@RBTheMechanic 3 года назад
What u mean need ddiagram?
@papocentral
@papocentral 2 года назад
After I bypass the system still not working
@RBTheMechanic
@RBTheMechanic 2 года назад
Check to see if u got ac pressure and when u did this did u ac compressor come on?
@SonjhaiMeggette
@SonjhaiMeggette 4 года назад
i have a jeep liberty and AC does not come on it blows hot air. what to do
@RBTheMechanic
@RBTheMechanic 4 года назад
Sonjhai Meggette try checking Freon pressure first thing then u can test this witch and power to ac compressor
@larryboyd6820
@larryboyd6820 3 года назад
I have a 2006 Hyundai Azera when I turn the air condition on only hotnot air come out.the light com on
@larryboyd6820
@larryboyd6820 3 года назад
I have a 2006 Hyundai Azalea air conditioner will not blow cold when I turn it all the light come on and everything could you tell me where is this Elsa for the air conditioner that blows it cold I think it's the one that turned up compressor all of them pressure sensor could you tell me where that's answered is on this car thank you very much
@RBTheMechanic
@RBTheMechanic 3 года назад
@@larryboyd6820 well check ur fuse and relay for ac compressor ... also put the ac on and touch the low pressure Line let me know if it’s cold?
@reneehendrix3715
@reneehendrix3715 5 лет назад
How do you get the coil off
@RBTheMechanic
@RBTheMechanic 5 лет назад
Coil? You referring to the clutch?
@1johnhumphries
@1johnhumphries 5 лет назад
How do you check the other switch
@RBTheMechanic
@RBTheMechanic 5 лет назад
1johnhumphries how many wires dose ur switch has?
@user-zh7do4ju5e
@user-zh7do4ju5e 3 года назад
اعجبني جدن😍😍😍😍😘😘😘😘😗😗😗😗😗😗
@electech_5495
@electech_5495 5 лет назад
Okay but that's not the problem for my jeep, fuses, compressor, blower, relays all good, ac recharged, still doesnt blow cold air
@RBTheMechanic
@RBTheMechanic 5 лет назад
ElecTech _ did u jump this sensor?
@jmemixx
@jmemixx 3 года назад
Jeep sucks I hate my jeep. I’ve put so much into it smh
@RBTheMechanic
@RBTheMechanic 3 года назад
Yeah they do require lots of repairs one after another
@jonathanbarrera9110
@jonathanbarrera9110 4 года назад
What if it has 3 ?
@RBTheMechanic
@RBTheMechanic 4 года назад
Jonathan Barrera well I have to check 3 wires but I’m off cuz of covid 19 did u try checking the one by the firewall and check if the Jeep has ac Freon
@sigarro1129
@sigarro1129 4 года назад
My is a 2005 how do i test tje other sensor my got 3 wires?
@RBTheMechanic
@RBTheMechanic 4 года назад
sigarro1129 there’s 2 sensors which one do you want to test the one on the back by coolant bottle gas 2 wires u can jump that with cotter pin
@sigarro1129
@sigarro1129 4 года назад
@@RBTheMechanic the one above the compressor
@tammydyer9184
@tammydyer9184 4 года назад
I tried that trick and the compressor still doesn't come on. What would you do next?
@RBTheMechanic
@RBTheMechanic 4 года назад
Tammy Dyer check if it has r134. You have to check if the clutch is good it self
@tammydyer9184
@tammydyer9184 4 года назад
@@RBTheMechanic I know it doesn't have much R134. My dad vacuumed the line and started to add R134 and it didn't seem to go in as normal. He was thinking the sensors needed replaced since the compressor would not come on.
@RBTheMechanic
@RBTheMechanic 4 года назад
Tammy Dyer check fuses for ac compressor relay swap it and then jump the sensor check if ac compressor has power with test light
@wsantalitz7785
@wsantalitz7785 4 года назад
The wife complains no AC in my 02 grand cherokee and it stinks. I hope this is the case when i check it later today. Thanks!
@RBTheMechanic
@RBTheMechanic 4 года назад
Wsanta Litz yeah check chec fuse also ac Freon pressure
@NOSE-em2xb
@NOSE-em2xb 5 лет назад
So what was the issue?
@RBTheMechanic
@RBTheMechanic 5 лет назад
IAF MB the pressure switch was bad
@parcerosinternacionales6940
@parcerosinternacionales6940 2 года назад
Es
@rigobertohernandez7333
@rigobertohernandez7333 4 года назад
we did that and it didkt work 😡😡no ac on my jeep
@RBTheMechanic
@RBTheMechanic 4 года назад
Rigoberto Hernandez check ac pressure in the low side charging port
@rigobertohernandez7333
@rigobertohernandez7333 4 года назад
@@RBTheMechanic ok
@JAPRAT72
@JAPRAT72 Год назад
What switch ? The geeen one ?
@RBTheMechanic
@RBTheMechanic Год назад
It sure of color
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