Diagnose Before Removing the Dash Dodge Ram 2500 5.9 Cummins A/C Blows HOT!

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19 апр 2023

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Комментарии : 580

@stephenerwin1 Год назад

Great to see someone interested in diagnosing a problem before fixing it. Keep up the great attitude, Ray.

@tomw8647 Год назад

too many 'mechanics' are just part replacers...

@jdtractorman7445 Год назад

It's hard to believe, but sometimes customers, for whatever reason, don't want to pay for diagnosis. Possibly because "insert name of garage here" has already looked at it and said this is what it needs. I've personally been down that road, that's why I always do my own diagnosis, just like Ray did here.

@samishiikihaku Год назад

To be fair. He mentioned that many times while he was at the other shop, that he doesn't like doing that. Now that he has his own shop, he can make his own rules!

@Chrisamic Год назад

@@samishiikihaku To be fair, when you are working for a shop and you are given a work instruction like "replace the AC evaporator" then you are not going to be paid for a diagnosis. A work instruction to "diagnose AC not cooling" is a different thing. Ray isn't work shy, and one of his strengths is diagnosis before repair. Remember that Ray left his last job after undisclosed disagreements about they way they did things. Now that Ray has his own shop, it seems likely the conversations he has with his customers and his approach to that job is more in line with getting the best results for those customers. Sometimes what the customers think they need and what they actually need are two different things, or only part of the solution.

@mwoodall13 Год назад

Despite my strongest suggestions and even offering free diag in some situations…. Some customers will insist they know what the problem is (they don’t) and refuse a second opinion Most of the time it’s about not wanting to replace something that doesn’t need replacing, and also because that same customer will say “you did it wrong” and blame you for them being stupid

@ericmuller7755 Год назад

whats nice is that you have a consistent process and it teach us all about not only how it works and how to expect others to do the job correctly. thanks

@michaelbruton3537 Год назад

The customer should be very pleased that the dash hasn't been pulled and his pre bought unit has been fitted and working okay for now. Well done Ray

@proudcanadian5713 Год назад

Nice to see you treating the disease rather than the symptom, Ray. That's the difference between a great and a good technician.

@TheJawtech Год назад

After watching 30 seconds of the video, I'm reminded that a mechanic in Florida is basically a refrigeration mechanic who fixes cars too. As a Chef I've watched many cooling systems be serviced and repaired - You the man Ray. Your A/C machine is also super cool, they didn't have that.

@egyphon Год назад

Hi Ray, I wanted to thank you for your videos. I initially found you while looking for info on OBD because I was asked to translate error messages for OBD into French, but knew nothing about cars. You really helped me, and continue to do so with every new video. Now that I understand cars better, I can take on more "car-related jobs". My sincere thanks to you.

@RainmanRaysRepairs Год назад

So glad to hear that I help out! 😁

@voldem0rt Год назад

Man... Ain't that the truth. While Ray isn't the one specifically that helped me learn, all these carTubers have helped me immensely. Through the magic of youtubers sharing their knowledge, I have fixed or rebuilt every aspect of my 2006 Chrysler 300c. I've replaced all components like sensors, pumps (including fuel), belts and rebuilt my engine and transmission. I still don't know what half the shit is called that I find myself working on, but I can go into disassembly and reassembly knowing that I will be able to repair or fix the problem. Now... If you have technical I.T. questions ranging from networking/network security to enterprise level I.T., I can help you. People like Ray are blessings to the common people.

@coreybabcock2023 Год назад

@@voldem0rt same here these guys are a huge blessing I've got my 98 Ford e250 and my customers care going very well too and I would love to learn more I.T stuff myself

@CodycoWeb Год назад

As stated before the “schrader” valve is not the primary seal on a service port. You will never get them to 100% seal. The cap is the primary seal and needs good gaskets and tightened properly. Changing schrade isn’t going to stop the leakage. Making sure the caps fit tightly and seal will ensure the system is sealed properly. Many times when you remove the cap you will hear slight hiss as gas that leaked past Schrader valve but caught by the primary seal the cap.

@petersmart1999 Год назад

It will if that schraeder was proven to be leaking,I have changed thousands of them.The cap is only secondary ,the schraeder is actually a system component! Think of it tgis way,the wrapping paper is not the gift,nor is the box,Its whats inside the box!

@patrickdiehl6813 Год назад

Rumors about Peta'.... Lauren said the new help didn't know if he wanted to be in the videos. I'm sure Ray will tell us when he is ready. Good call on due diligence and evaluating the entire system, that saved the customer about 12 labor hours plus the cost of a part they didn't need 👍

@dond.200 Год назад

I would love to see Peta’ working with Ray once again but it’s nice that Ray has a new helper even if we don’t see him on video.

@MT_53 Год назад

Bring back Peta! Bring back Peta! Bring back Peta! 😆

@michaelcook184 Год назад

Allways a joy to watch you do expert repairs 😊

@handbananaistherapist642 Год назад

Pull, wiggle, rotate . . . sounds like a good time!

@jameshollingsworth4714 Год назад

Make sure the blend door is blending!

@45AMT Год назад

Happy pre 500K subscribers! I've been here since 60K Well deserved my friend!

@brettnipps7205 Год назад

It's amazing to me your wide range of knowledge of different rigs and the problems they present to you. Thank you Ray for your sharing with us!!!

@MrTonyPiscatelle Год назад

Bravo Rainman- IMO that was one of your best videos in quite awhile. Very professional like fixin stuff.

@djsi38t Год назад

That was one hell of a learning experience what a fantastic job you did ray.Really spot on with explaining each and every single stinkin thing you did and that the machine and ac system on that truck was doing.Amazing really.I have not seen a video deserving a thumbs up more in a long time.

@kevincurry4735 Год назад

Hello Ray and I am glad to be back too. A/c service time. I am sure this will be a good video.

@electrake2063 Год назад

Not sure if you are aware, but I have a 2003 and they had a problem where the temp probe on the evaporator was not in a good place, and while driving the probe temps never picks up that the core is freezing up. So what happens to mine is that the compressor does not cycle enough to keep the core clear of ice, and the airflow becomes restricted and eventually you get no cooling after about 20 min of driving in humid conditions. There is a TSB to relocate the temp probe. Not sure if the 2004 had a fix or still has the issue. Something to think about if you get a returning customer on this truck!

@samholdsworth420 Год назад

Bump

@TheFrenchPug Год назад

Good advice!

@josephcaprara898 Год назад

You are not correct, consult a psychometric chart. And a refrigerant/enthapy chart. Change of phase liquid to gas or gas to liquid utilizes latent heat of change to accomplish the movement of heat.

@electrake2063 Год назад

@@josephcaprara898 what are u responding to? I wasn’t arguing how heat moves, I was commenting on how the evaporator DOES freeze up if the compressor never stops. The IS why there is a temp probe near the evaporator. What are u talking about???

@rustyrobinson8027 Год назад

Thanks Ray and family ❤️

@michaelpressman7203 Год назад

I think you fixed the problem & are being honest with the costumer! The new guy is a lucky man🎉 Have a great day

@oliver_klozoff Год назад

I always shoot a little bit of WD-40 onto those quick connect springs, it makes the whole mechanism function a lot easier. At least to get them to release

@taffyjones57 Год назад

Another very informative video Ray. Keep on making these great videos. The World needs a lot more mechanics like you.

@Psichlo1 Год назад

Did years of hvac work on custom homes in my previous life and you're the first person I have ever seen that explains it how it actually works. It essentially removes heat not so much cooling the air. Always great videos Ray, keep it up.

@Jihadbearzwithgunz Год назад

Good man ray doing the proper steps and being a mechanic and diagnosing it instead of being just a parts changer.. Good work as always

@russelbaird5499 Год назад

Glad you take the time to check things out before jumping into what the customer thinks is needed . Also I think the designers ought to be made to work on the vehicles to see just how awkward it can be after the vehicle has been fully built. Sometimes it is almost impossible to work on these things .

@ronsloan7662 Год назад

Hey Ray, great video as always. I can't see how the system could work any better than it is right now. Maybe the owner wants all new components. Looking forward to seeing what they decide. Where it would be very interesting, hopefully you don't have to disassemble the dash. Cheers!

@mjac8373 Год назад

I don't like to take dashboards out either, espeically since I'm a retired carpenter. Ray, you rock, brightest mind on RU-vid!!

@ronaldrussell5481 Год назад

Thanks, nice job troubleshooting and correcting problems and explaining the "dark science " of refrigeration!

@richardgreen1383 Год назад

Ray's attention to detail and diagnosing the issue before throwing a major expanse at the issue (which ultimately would not have solved the problem) saved his customer a boat load of money. I had an issue with the evaporating coil in my 2006 Ram 2500 and they had to remove the dash to get to the part. Fortunately for my wallet, it was in 2007 and covered under the warranty. They commented that it was a two day job (the also provided a courtesy car at the time).

@justinferguson5451 Год назад

Awesome video. This really hits home for me with my 2500 with the 5.9, changed whole a/c system from dash to bumper along with other work in engine compartment. I had a busted blend door so I had to pull dash. New evap and heater cores, electric actuators, blend doors from blenddoorUSA, new weatherstripping gasket for the air box, liquid line and manifold, compressor, condenser, the whole nine yards. Dealership quoted me $3200 for the a/c job I done it for just a $1000 in parts. After completion a/c was 40 degrees at vent and on heat was 160 degrees

@thecuss6817 Год назад

I just diagnosed a varying vent temperature issue on my 1988 Mazda B2200 truck as being due to a bad fan clutch (again). I used the rolled up newspaper section to diagnose (also good for training puppies !).

@fatmirsallku9760 Год назад

Honest and good mechanic, good luck With the new guy too

@curtisophillipsjr3203 Год назад

Used to love A/C work! Even changing out evaporaters. You did the proper thing, because 9 times out of 10 , the customer is incorrect in his diagnosis. Nice job, wish I had that A/C machine back in my day! And your explanation of how the system works was clear and informative. P.S., I also hated those spring lock connections, Ford started it back in the early 80s. Had several different spring lock tool sets. ( also good for Ford fuel line fittings )

@ruckinehround6965 Год назад

Had the same truck 2005…. Best truck I ever had. Rays customers are the lucky ones.

@coreymerritt7742 Год назад

Hi Ray I have a 2003 Cummins dually I’ve had no issues with my ac so far great video thanks

@jrey7748 Год назад

Well done! And love the explanation of how the system works. You can’t make cold air, but you can remove heat from it…it is how every cooling system works from your car, to your home or your refrigerator.

@jjunderwood4095 Год назад

I can only assume how much fun your new tech is having listening to your sayings 😂😂 " hey kid you wanna pull in the dooodge for me and apply clicks to the wheel knuts? Thank you good sir!"

@aleccaptco Год назад

Solid work Raymundo!

@rotoregonian6857 Год назад

Good stuff as always man. Thx. Quick input: i modded my little scissor style disconnect tool by putting a champher/bevel on the outside edge making it thinner on the first 1/16 inch by just a RCH and now it slips under the springs super slick no fuss no cuss.

@radioace318la Год назад

another great project. The Robinair is an awesome machine. We just got one in our shop. The boss asked, "Have any of you guys ever used one of these?" I said No, but I have watched Ray use one for over a year now. He said something about me staying at a Holiday Inn. I didn't get the reference at first. So I'm now the Go To Guy for all things Robinair. Those cab tractors' AC Must work and work well. So if you are ever in Louisiana and have a problem with your Kubota AC, I'm your guy. One thing tho, That new accumulator (sometimes called a dryer) was a great thing to replace considering someone else already fired the parts cannon on that rig. I hope there is a follow-up video in a few weeks to see if all is well. Thanks for sharing your hard work, man. Cheers from Louisiana.

@chucksmitleyv145 Год назад

When you see the high side at 250psi+ and the suction side is around 20 or lower, check the metering valve first. They get stuck sometimes

@jameskennedy673 Год назад

👏👏👏👏👏Ray for making that Ram’s cabin cold. Those 5.9L Cummins are good ones, that one isn’t even broken in yet. Our Grandson has a ‘99 Dodge 3500 dually 5.9L Cummins with standard shift over 300K miles. Ray it’s great that you have a helper, those HF US General tool boxes kinda stand from your Blue tool boxes. Keep’m coming

@colinwhitby2473 Год назад

Great job you never cease to amaze 😊😊

@MrMattDat Год назад

that sounds like a Sid & Krofft 70's dance, " Push down. Push up. Wiggle, wiggle, wiggle"...

@charleskadletc2431 Год назад

Ray: Very good video, and informative. I work at a dealership and learn also from the techs.

@RobertBeck-pp2ru 2 месяца назад

Ray, don't you just love the way Ram trucks make you reach back into a tunnel to get to important failure prone parts. My '97 Cummins Ram requires valve adjustments every 25K miles. The last 2 cylinders are in the firewall tunnel. Anti-kudos to the new breed of engineers.

@stuglenn1112 2 месяца назад

I think some of these engineers need a good gut punch. It's almost as if they design them to be as difficult as possible to work on.

@geraldharkness8830 Год назад

brilliant ray,,takes me back to my days at work!

@tomasrodriguez5489 Год назад

Your actually a teacher I like that the step by step what you doing for this reason you are the best tech teacher and professional!!!!😎🚗

@johnschmid7785 Год назад

22:00 The return of THE CLAW!

@antonoudenhoven7573 Год назад

Congratulations on the 500 k subs. Up to the next 500k buddy.

@51ubetcha Год назад

I was always taught to lube all a/c o-rings to prevent tearing or causing the rings to roll over. Only exception is the new metal/rubber rings.Makes installing fittings easier also. Lube the service valves too.

@Strengthandconditioning60 Год назад

I have a 94 explorer, air didn't work when I got it, took it to 2 different mechanics, changed out most of the mechanical parts and gave it back to me saying it worked now. Problem was that it DID work like a champ on cooler days, temp would get down in the 40s. On a warmer day it would not work at all period. Got a old Chilton manual, started going through the schematics, and saw the relay in the fuse box for the ac. Being an old school aircraft electronics technician I knew what gremlins live inside relays so I went and got a $7 relay, slapped it in there and it's been fine every since.

@francisbaker9366 Год назад

As always very refreshing that you don't replace all the parts when they may not be necessary. Hope you removed your small light which apeared to be at the left edge of the hood when you closed it, when you checked for leaks back at the shop.

@1957Free Год назад

Thanks Ray have a great day

@garynewell6947 Год назад

Good day to you Ray another great video Ray your the best but the most important thing is to have your self a great Day

@123renfroe52 Год назад

Great job! Keep up the good work!

@mainstreetsilverback Год назад

You are a true professional. Just subbed.

@MrHardhatharry Год назад

Very well diagnosed. Good job

@jamesvanzijl4348 Год назад

Good work Ray !

@bobbg9041 Год назад

I had an aftermarket condensers installed by the insurance company, it never worked right untill I bought a factory oem part. I changed it myself and had a buddy vac it down with his machine its worked right every sence.

@hariranormal5584 Год назад

that diesel idle sound omg beautiful

@dennislyon5412 Год назад

500k subs - great job, Ray!

@eddymahon1503 Год назад

I learned a lot on today’s episode. I always wondered why my can of whipped cream got cold when I sprayed it. Wow.

@johnholzhey8149 Год назад

I always put a little oil on the O rings before reinstall. It's just a little easier to slip the connectors together. One other thing I found was to spay clean the springs in the connectors to get the dirt out since dust has a tendency to inhabit those pesky items.

@matticus6339 Год назад

I have a 1999 Dodge 2500 with the Cummins, I installed a pusher Spal fan on the front of the condenser and it made a big difference in AC performance.

@duckwacker8720 Год назад

The AC issue on my 05 is the fan clutch. I'll get around to replacing it sometime soon.

@mykofreder1682 Год назад

Good AC diagnosis and valve repair.

@TheWabbit Год назад

Enjoyed seeing this, knowing the issues with the Doge ramakist ( a friend loves his Doge's ) I see a future where the dreaded dash disassembly is needed to finish the repair ( as everyone who has been around them has found out ) Great video though, enjoyed seeing actual diagnosis and not just a parts cannon show that most of the mechanics around me enjoy. ( including some Ford dealerships ).

@richardhaywood4123 Год назад

Wish we had some decent a/c techs in the UK as no one seems to be interested in hvac repairs. Good video Ray and a good simple explanation of how the a/c works.👍

@joelohberger3221 Год назад

right on good to see you are not just doing work that my not be needed; when I was driving never needed air-conditioning because its never hot In Eureka ca if its more then 75 degrees we are having a heat wave it may even get 80 for a few days a year lol it is the right place if you like fog and cold

@clbcl5 Год назад

No cow poop was stepped in during the making of this video.🐮🦶💩🐮🦶💩

@richardcrowell284 Год назад

When I worked for one of the largest automotive A/C suppliers in Australia. When assessing a warranty claim on a compressor, any vehicle fitted with a parallel flow condenser had to be fitted with a new receiver drier or accumulator and condenser as the parallel flow condensers cannot be flushed. As a rule we would recommend a TX valve as well. When I worked as an Auto Electrician we were taught to lubricate the O rings with some refrigerant oil. By the way I am old !

@rhjeffoo4786 Год назад

allways good to watch and learn 👍👍

@Daleeather1975 Год назад

Hey there every heard of Volvo 440 that had experimental green wiring harness it was plant based but unfortunately it failed after a year or so I came across it when my mate bought a Volvo 440 for the engine accessories all the wiring insulation was peeling off.

@williameident588 Год назад

Excellent video, great tutorial on vehicle AC systems I enjoyed it, learned a lot. I am a licensed ship board reefer (Refrigeration) engineer

@Jon_B_Quick Год назад

Well done Ray ! How about a video on swapping out thermostats in a DuroMax Diesel ? There are 2 thermostats . One is 180° and the other is 185° . It's an interesting system . I have to swap mine out because my coolant temps are fluctuating wildly .

@jamesmillhouse4795 Год назад

Looks like you finally got a helper you needed it 👍

@jacobm9263 Год назад

Great motor, I have one in my 01, need to put a rad in it when I get home from vacation

@josephvantreeck2989 Год назад

Thanks Ray.

@Markk9109 4 месяца назад

Excellent job very knowable

@bbrnkyle74 Год назад

We can't get those vacuum numbers at altitude. Max up here is about 24 inHg. I really appreciate how thorough you are. Wish there were more techs out there like you!!

@ColinWatters Год назад

Thinking aloud.. isn't the vacuum the same eg near zero pressure, it's just you start from lower atmospheric pressure so not so far to fall.

@ItsAlwaysRusty Год назад

Ray, I have the same exact year make of truck. You may still have a blend door issue with the passenger side inner vent blowing warm. On my vehicle the blend door will close but occasionally will stick open letting warm air in the cabin. I work with it by simply closing that vent but I believe there still a problem with blend door.

@bobposey6961 Год назад

Great diagnosis and great saving customer $

@grifonks Год назад

Congrats on a half million subscribers Ray!

@stoveguy2133 Год назад

You can look for greenish drips from evap drain too.

@stillraven9415 Год назад

Thank you!

@rrich8371 Год назад

Can't wait until you get that new roll-up door in the new bay.... straight in approach will be great!

@AnisDumont Год назад

Makes me miss my 2003 Dakota. Enjoyed the video.

@pablos6.060 Год назад

Nice truck! Nicest stock 5.9 I have seen in a while

@TStockton4 Год назад

The rapid change of matter with low boiling points going from a liquid to a gas (Vapor) is commonly known as the Joule-Thomson Effect. But you explained it perfectly

@Yukonjackman1 10 месяцев назад

2001dodge 5.9 2500 diesel Just replaced my blend door Driver with the aluminum upgrade, had to reworked the new part wasn't to bad and now no plastic.

@rmduda1 Год назад

I wish you were closer to me, tough to find techs that actually diagnose issues before changing out parts.

@xeclipsex2651 Год назад

A good way to diag a bad evaporator is by putting dye into the system, letting the vehicle run with the ac on for a while then use a UV light on the drain hole and if It starts glowing, then the evaporator is leaking.

@michaelharvey3306 Год назад

Great work. 🎉❤

@JaredJanhsen Год назад

This customer did come to the right shop, Ray. I too have been a victim of the Air conditioner parts cannon. The most recent time I just gave up because that's what too many shops want to do; fire a full broadside with the parts cannon.

@petersmart1999 Год назад

I hear you,a friend of mine was all set to get a new compressor on his Honda Pilot($1,400).He called me and askes if that was to high,I asked why is needed a compressor,he had no idea.He stopped by ,I swapped a relay and told him to go get a new relay,problem fixed $7.00! He went to the shop to cancel his appointment and asked them why they lied to him,they said they didnt really diagnose it,but it wasnt coming on so thats the most likely cause! Ugh

@billvose7360 Год назад

I had one of those that needed almost every door in the HVAC system replaced. essentially the same truck, 2005 Ram 2500 Cummins Diesel. It ultimately had to have a new compressor. In my case the dash had to come out.

@johndavis4767 Год назад

Love your vids. I was leaving my dentist's office recently and as I was passing the receptionist, she reached too far and pulled the phone of off the desk with a bang. The dentist heard it and said, "what was that?" I said, "phone gravity". He said "Oh", and went back in his office. So, maybe I saved the receptionist from getting yelled at.

@ianburit3705 Год назад

Hi Ray old buddie, talking about how good the heat pump makes cold air, In our village many took up the offer of an Air Source Heat Pump for hot water and central heating in our bungalows, as opposed to your front rads dissipating heat our freestanding AIRCON looking units blow cold air into the atmosphere to make hot water.. Anyway, we need heat in our lives more than cold so it's horses for courses eh - lol.. Many thanks again for your videos as I watch as many as I can find, much better than "Plastic TV shows" LOL.. What's next we all wonder.- Ian, retired next to the North Sea UK.