Question about 1995 GMC Yukon

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A/C Coolant How do I fill the a/c with coolant on my 1995 gmc yukon?

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The a/c service port is on the a/c accumulator, that's the silver canister where the low side line connects to before it goes in to the evaporator housing in the fire wall, (drivers side) Good luck and keep me posted, be glad to help.

Posted on Jun 26, 2009

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Like w/ all others vehicle. With 4 cans of R-134a (R-22) freon and a pressure hose. You connect the can to the hose, then to the A/C filler input (located on the A/C silver hose at left from you). Then you incline the can just a little bit to let the gazes exits. But not more than (35°). Then run your A/C for 5 minutes. Turn off, then do the same with next cans.

Posted on Jun 26, 2009

  • Serge Saati
    Serge Saati Jun 26, 2009

    Forgot to mention. Never add more that 2 cans at one time. Wait at least 23 minutes after the 2nd can, then wait at least 8 minutes after the 3rd can. If not, it'll freeze inside, even in summer. Because of the pressure and depressure.



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1 Answer

Coolant leaking 95 gmc yukon 4x4 5.7 350 vortec

could be hose are a freeze plug are water pump.determen where the leak is on the floor and go from there

Jan 03, 2013 | 1995 GMC Yukon

1 Answer

I have a gmc Yukon Denali xl and needed to know how many quarts of ATF transmission oil do I need to flush my trans

if the transmission fluid is brown or it hasn't been changed then I would flush it
Here is what I have listed, more than likely you have the 4L60E which is 5qts.
Engine, with filter..........6.0 quarts[1]
Cooling System, Initial Fill..........17.0 quarts
AMSOIL Antifreeze and Engine Coolant
Cooling System, W/ Rear Heat Initial Fill..........19.0 quarts
AMSOIL Antifreeze and Engine Coolant
Automatic Transmission, 4L80E Initial Fill..........7.7 quarts[2]
Automatic Transmission, 4L85E Initial Fill..........7.7 quarts[2]
Automatic Transmission, 4L60E Initial Fill..........5.0 quarts[2]
Automatic Transmission, Total Fill
4 speed 4L60E..........11.0 quarts
4 speed 4L80E..........14.0 quarts

Dexron VI is the way to go. As for a filter the choice is yours..Hope this helps Tim

May 22, 2011 | 2005 GMC Yukon Denali

1 Answer

My yukon is using a lot of water but it's not leaking water, where is it going?

heater core might be problem, it could be leaking. also could be your intake manifold gaskets or head gaskets caused by corrosion thus burning coolant in combustion camber .

Feb 20, 2011 | 1995 GMC Yukon

1 Answer

What kind of coolant for 2003 yukon denali

Propylene Glycol Antifreeze and Engine Coolant
ooling System, Initial Fill..........15.9 quarts

Feb 15, 2011 | 2003 GMC Yukon Denali

2 Answers

Loosing small amount of coolant (about a cup) every few days in my 1995 GMC yukon. I lost coolant from a leak in the radiator and the engine overheated. Now the temp gauge constantly goes back and forth...

i hate to be the bear of bad news but do a head gasket check . most likely your head gasket is leaking a small amount and its getting burned off.

Dec 16, 2010 | 1995 GMC Yukon

1 Answer

Where is coolant sensor on 2000 yukon to install chip

Ii'm starting to use coolant on my GMC Yukon 5.8L 116,000 miles....over the last 2 months I've used about 3/4 of gallon.

What could it be?
Water pump

Are there know failers that are typical?

Nov 07, 2009 | 2000 GMC Yukon XL

1 Answer

How do you drain the coolant out of a 2002 yukon

Usually there is a petcock on the lower edge of the radiator either on the right or left side. If you can not find it at all then disconnect lower radiator hose from either radiator or water pump. This will make a small mess but will drain the coolant.

Aug 16, 2009 | 2003 GMC Yukon

1 Answer

My 1995 Yukon is reading hot but I do not see any smoke under hood when I turn it off, I just had thermostat changed and still same problem?

well you might have an intake manifold leak or teh heater hose niple that goes in the intake these are the most common coolant leaks on these engines.

Jan 12, 2009 | 1995 GMC Yukon

1 Answer

2002 yukon

Your description may actually be your answer, so to speak. You mention 'generally as engine is cooling or if coolant is added too quickly'. It sounds to me like the reservoir is over-filled.
When the engine is cooling, coolant tends to flow back to the reservoir (plastic 'jug' where you add coolant). A bad radiator cap or one that was replaced with too low a PSI rating can easily allow too much to fill the reservoir and and occasionally overflow it. Most reservoirs use a rubber tube to drain excess coolant so it may appear to 'leak' near the front left wheel or left side of engine.
Replace your radiator cap. (did they pressure test the cap too?)
Make sure you check your owner's manual for the proper PSI. My sources show 15-16psi, but that sounds a little high to me. Also, make sure you have the correct (50/50) anti-freeze/water mixture.
After you replace the cap, make sure the reservoir has the right amount of coolant and isn't over-filled. (To 'fill cold' line) Drive the engine until hot, then park the truck and see if the problem is fixed. Good Luck!

Oct 31, 2008 | 2002 GMC Yukon XL

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