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Fixing Leaky GM Rear A/C Lines! (the fast non sucky way)

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The repairs are finally starting to wind down on my 2009 auction Escalade! Today we'll get the a/c taken care of and repair a common failure the fast, cheap, and easy way! Whats the saying again? If you want a job done fast, find a lazy person to do it?
Check out my Amazon store for tools and parts used in my videos!
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Follow my Instagram page for behind the scenes photos and updates!
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You can send me things here if you want:
PO BOX:
Matthew G
PO Box 140055
Staten Island, NY 10314
Parts/tools:
R134a refrigerant: (3lbs/48oz needed for long wheelbase, 2.5lbs for short)
amzn.to/460Z70N
Self sealing can/puncture tap valves:
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Manifold gauge set:
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Vacuum pump:
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Thermometer:
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3/8 compression fitting:
amzn.to/4f0VnAw
Orfice tube:
amzn.to/3zFQlJH
Accumulator:
amzn.to/3y0dXbh
AN adjustable wrench:
amzn.to/3Ylj8NZ
AN wrench set:
amzn.to/3Y3NKn0

Опубликовано:

5 сен 2024

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Комментарии : 73

@svantenordstrom Месяц назад

I’m in the middle of rear repair. Previous owner have already replaced the rear lines with flex lines and I found the leak towards the rear. Bought new ones off of Amazon from Auto Cooling Solutions. I’m excited to finally get the AC working since it haven’t since I bought the truck 2 years ago. Fun fact. One of the main reasons I went for a 2005 Suburban Z71 was from watching this here channel. Inspirational. Set me back 20 grand so far😂 Having so much fun!

@paulyshore98 Месяц назад

A few things of note: 1. I never skip commercials so Matt always gets full ad revenue. 2. I had my rear line on my 800 have a pinhole and the same style compression fitting at ACE worked great. 3. Go to Harbor Freight and pick up one of their refrigerant detectors. I found that my splice still had a tiny leak that the sniffer found. I had to really crank down the fitting to get it sealed properly. 4. This is one of the few channels that all of the content is consumed. Keep up the great informative videos 👍🏻👍🏻👍🏻

@lsxmatt Месяц назад

Thanks I really need to get a sniffer!

@GM-sk2wk Месяц назад

Laughed when you brought out the mini vice grips for the install of the valve 😂

@Zachonewheel Месяц назад

My vehicle has locked me out so many times its become a reflex to drop the window while the key is in it. So much fun using the antenna to unlock the vehicle.

@RYTHMICRIOT Месяц назад

My AC just failed on my 03 Tahoe on my way home from work on the hottest week of the year so far. Pressure was good in my lines. Checked fuses and my AC fuse was popped. Replaced it, immediately popped again. A day later the compressor has bearing noise. New factory replacement compressor from the local auto parts store is almost $600. Chineseum ones on Amazon about $130, with bad reviews due to premature failure. Everyone online says just replace the clutch assembly. My current clutch is now removed but it's an extremely frustrating ordeal because you have to remove snap rings holding the hub assembly on and you can't see them. I just kept going at blindly jabbing my snap ring pliers and got it after about 20 minutes. Now, just waiting for my replacement clutch to arrive.

@Qballl Месяц назад

Damn 600 for a compressor or 130 for a cheapo thanks gonna make you do the work twice. I see why you went the clutch replacement route. I would've rolled the dice on a pick n pull one but that's me. TBF tho if it is just a bad clutch then your way is better because you know the compressor is good

@RYTHMICRIOT Месяц назад

@@Qballl yeah the $600 is an AC Delco. The local parts store had another brand for around $350 but I watched a couple RU-vid videos and most said it's rare that the compressor fails and also almost always the clutch. Also replacing the clutch doesn't require you to purge your refrigerant and recharge after.

@Qballl Месяц назад

@@RYTHMICRIOT Oh good point I didnt even think about the fact you have to purge if you do a compressor

@shadowopsairman1583 Месяц назад

Your compressor is done, replace it, buy once cry once

@RYTHMICRIOT Месяц назад

@@shadowopsairman1583 maybe. But half of the ball bearings in the clutch assembly were missing when I pulled it and they were as dry as sand. Makes a crunchy sound when spinning by hand. Also a considerably sized chunk of the coil pack inside the clutch assembly had broken free which tells me why it's popping fuses.

@davebarron5939 Месяц назад

Just bought a 2000 Yukon for 600.00, 5.3 V8 good trans runs great, even good AC just rusty, parting it out but keeping the drive-train for my sons hot rod. Parts-is-parts.

@luckyuke425 Месяц назад

Really interested to see that radio/hvac control screen replacement video. Hope you're still doing that. I have a 2010 sierra denali that ive been working through a to-do list on as well. Just found you a couple weeks ago and really enjoying the GMT900 stuff so far even if you are not lol. Thanks!

@Se7enMiIe Месяц назад

7 or 8 years ago i fixed my ac line with a compression fitting like this. Took it to a place to get recharged and the owner swore it wouldnt work. It worked and as he was finished a guy pulled up with the same issue. I showed him how i did it and he charged him for the fix and didnt charge me for the recharge.

@bubbalo3388 Месяц назад

Should of used a tube cutter to avoid metal shavings getting into the tubing. That said, using a compression fitting is creative over trying to solder the hole. I have a vette that has a pinhole leak and I may have to consider this method.

@lsxmatt Месяц назад

I did on the second cut. No room in there to make the first cut to split the line with a tubing cutter.

@jalofanclub Месяц назад

Love these videos, keep up the hard work!

@DWINTERS14 Месяц назад

Hey man, just wanted to say I love this GMT900 content. A lot of the issues you've addressed I've faced and even bought the same catch-can you recommended and so far it's been great. There's also a lot of preemptive issues I foresee with your Esky so I'm better prepared!

@eazhar Месяц назад

Little bit of jb weld with vacuum overnight would seal it too. Source: I’ve done it 😂

@travissheehan6082 Месяц назад

Definitely what I would’ve tried first

@Qballl Месяц назад

Really? I would not have thought it could take the pressure of an A/C who knew, I'll have to keep that one in the back pocket. Should it be JB Quick or just normal JB?

@eazhar Месяц назад

@@Qballl normal JB weld. Clean surface with alcohol obviously. When I mentioned my strategy on a FB group someone mentioned wrapping a rag soaked in JBweld around the pinhole for extra strength (like a burrito)

@Qballl Месяц назад

@@eazhar Alright gonna have to stash that one away. I like the mesh JB weld idea seems extra strong

@bubbalo3388 Месяц назад

How long has it been since your repair with JB weld? Did you just do a dab over the hole or did you put it all around the tubing?

@jeffreyshepherd8488 Месяц назад

When you buy new lines from gm they come in two pieces you have to splice with compression fittings anyways, seems like a good repair

@davidbreiter2518 Месяц назад

Check the o-ring on the oil pickup tube for the low oil pressure issue...

@TheRenaissanceBuilder Месяц назад

Looks like you were having a “monday” there for a minute lol Good video Matt thank you.

@FirstLast-we8cb Месяц назад

I have the same model and had the exact same failure. I went the route of new flexible lines and leaving the old crap in place.

@leonardcrisci7254 Месяц назад

For that high side valve they do make a special tool however, next time just use a 16 mm wrench to hold back and then you could use the vice grips or something

@mikeeaton9822 Месяц назад

Blowing ice cubes lol!!!!

@james10739 Месяц назад

That's pretty neat I tried some of the aluminum weld like solder stuff and it didn't leak till you got to like 200, 300 psi and it was the high side so it is what it is I had to replace .y lie but it wasn't the same and not that bad

@james10739 Месяц назад

Last time I remember a flashing it was the ambient air temp sensor but I don't know

@francisconunez1887 Месяц назад

Hey Matt,, how’s it going? Love to come out.

@gregorysalazar6425 Месяц назад

Just wanted to let you know my 2012 Cadillac Escalade oil pressure at idle is around 30-32 psi it has 180.000 miles

@TheBeerBox80 Месяц назад

They don't use o rings, they have little rubber seals. I had to replace mine because they were hard plastic and leaked like crazy. I got a bag of replacement ones on Amazon. I guess that's what I get with Ebay gauges sets.

@jsomething2 Месяц назад

believe me 20psi at hot idle is the best you can hope for without putting a high volume pump on it. unless you're under 10, I wouldn't worry about it. gm spec is like 7psi at 1000 rpm hot.

@james10739 Месяц назад

If you have to break into a car get you a like1/4 steel rod like a dowl rod and you can bend it howeyou need to hit the buttons or move locks whatever you need

@james10739 Месяц назад

Ee are in the 80s made me laugh so hard here in central texas where its been like 100 for weeks

@bryanzamarripa4245 Месяц назад

You know what's worse? Gm decided to add a pre flash on the ECU for the 2009-14 models to indicate that the coolant levels low and add coolant level light for sensors inside the radiators of said models. Despite that! The 07-09 models do not have this sensor inside the radiator but as I mentioned the stupid ECU flash, and Everytime I start my Escalade multiple times a day, that coolant low light will come on and murder the cold Ac for my passenger side and instead blast hot ass air while half the vehicle is blowing cold air. I love you GM love you.

@jsomething2 Месяц назад

what? what's a pre flash? I think the coolent level sensor is in the over flow tank. Just replace it? but also, it shouldn't make your ac blow. hot, especially on just one side?

@bryanzamarripa4245 Месяц назад

@@jsomething2 my bad, meant to say they put the software for future reference. Yeah, Everytime that light comes on it'll shut off the ac, and the cold air disappears from the passenger side of the vehicle. You can get a fix by taking it to a Cadillac dealer to have them remove that software since there's no actual sensor for the radiators of Escalades from 07-09

@jsomething2 Месяц назад

@@bryanzamarripa4245 been my experience that gm can't remove any software from anything, especially useless service techs haha. they can bearly hook up the computer to and log into gm site. if there's and update with a fix for a bug. they can flash tust for you. usually about an hours labor. I've given up on them doing stuff from me. if you have a newer computer, therea a dongle for 140$ that can be used as a pass thru to flash the software you get from gm. the software access cost 45$ per vin and is good for all the modules that have an update available for them. but there's no way to down grading or make any changes to that software. it just is what it is. it's setup to pass thru your computer into the ecm without you even being able to save a copy for yourself.

@jsomething2 Месяц назад

@@bryanzamarripa4245 been my experience gm can't updo anything in a ecm software, especially at a dealer tech level. they can update the software if there is one available to fix the bug. is this a known issue with this trucks or something you figured out?

@bryanzamarripa4245 Месяц назад

@@jsomething2 known issue l, mainly just the Escalade models. Of course the typical blend door actuators tend to take a shit too. But that coolant level low light is infamous for the ac issue on the early models. Makes sense since you know, first few years etc. It doesn't bother me since I don't have passengers all the time and it's my weekend toy ever since I cammed it so gas is 💀

@DIYLukie Месяц назад

Hey Matt, do you have any advice on how to get the style AC condenser in your Camaro AC video? I keep ordering condensers that look like the one you had in your video but they arrive and don’t match the whats in your video/the listing.

@MIkeDeltaVictor Месяц назад

I need your opinion. I have an 11 yukon denali and after a while driving, the ac doesn't cool as much as it should. It has enough refrigerant but it seems like the compressor doesn't kick in as often as I feel it should. When it kicks on, it's cold. This happens especially when I've been driving a long time.

@TheRenaissanceBuilder Месяц назад

Check to see if your condenser coils are clean. What you are describing sounds like heat soak, another words the condenser is not getting rid of enough heat and so it stops condensing and with no liquid the system stops working. The next time it does that pull over and check your line temperatures quick. If the high side line just before the fitting (properly called the liquid line) is so hot you cant hold it for long, and your suction line is not “beer can cold” than the system is heat soaked. That’s assuming you are correct and its not low on refrigerant. The compressor will cycle based on high pressure. If you check it and the high side and its not very hot and the suction is not very cold and we assume the refrigerant is correct then you may have compressor issues.

@paulbarr1705 Месяц назад

Somebody used “stop leak” in the A/C system, and it clogged up that filter. 16:49

@RatdogDRB Месяц назад

AC is GOOD!

@heysoos223 Месяц назад

I realize the lines don't allow room for a proper tubing bender to be used while in place, but aren't you afraid of the metal shavings that will be in the refrigerant lines now? My understanding is those will make their way to the compressor, and destroy it.

@lsxmatt Месяц назад

It’s possible but I took my chances. 150k on the compressor, if I had to change it I wouldn’t care that much.

@heysoos223 Месяц назад

@@lsxmattright on Matt. Great content as usual. That Esky is almost ready for the big cleanup!

@wolfhound1a Месяц назад

JB welds.

@JoseAlvarez-pl9ls Месяц назад

Oil cooler lines delete

@vj5sr Месяц назад

Just disconnect the battery and automatically opens i’ve done it before

@williammclaughlin2606 Месяц назад

I’m having an issue with my wife’s 08’ Yukon. One side blows cold the other blows kinda cold. I already did blend doors, and reset the ac controls, but still isn’t solved it’s extremely frustrating

@lsxmatt Месяц назад

Thats weird my Tahoe does a similar thing but I haven’t swapped out the blend door yet. Every few months it would randomly blow hot on the driver side and cold on passenger. Only way I get it back to normal is to do a reset on the hvac controls.

@williammclaughlin2606 Месяц назад

@@lsxmatt I’m going to have to just keep trying that. Similar to the brake switch issue I’ve heard they get nasty and corroded and gummed up internally, I might try opening mine up today

@TheRenaissanceBuilder Месяц назад

My suburban did the same thing and i “reset” it for two years until the head unit gave out aswell. I ended replacing the head unit with a napa piece that’s specifically made to do its own relearn automatically and the blend door motors. If the stock head unit is used it may need to be “recalibrated” with a scan tool.

@williammclaughlin2606 Месяц назад

@@TheRenaissanceBuilder how did you know your head unit went out? What were the symptoms

@TheRenaissanceBuilder Месяц назад

@@williammclaughlin2606 i have a snapon verus scan tool so i was able to monitor the inputs and outputs and confirm that the hvac head unit was not outputing the proper signals at the correct times. For example you would turn on the ac mode and it would not comand the compressor switch.

@NickMillerlouisiana Месяц назад

how's the transmission flush holding out on the escalades transmission. is it still shifting fine?

@lsxmatt Месяц назад

So far so good. The good thing is the banging I had wasn’t the converter. It started doing it after a long trip again. Turns out cylinder 4 had a cracked plug and it was a misfire under load. Also fixed the random cylinder 4 misfire issue I had, who would have thought😂

@NickMillerlouisiana Месяц назад

@@lsxmatt cool glad u found it and fixed it I myself have a 2013 tahoe ltz that I bought and restored to pretty pristine condition and I got to say it was a lot like you are doing with the Escalade so it great to see you doing it too 👍🏻