Question about 2003 GMC Yukon

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Car leaks coolant but does not over heat - 2003 GMC Yukon

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Well, pressure test and fix the leak, before MUCH MORE expensive damage takes place.

Posted on Oct 13, 2010

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My yukon is running hot but there are no holes in the radiator and there is a leak on the passenger side?


Hi, maybe you have a faulty water pump or gasket, it's better that a mechanic check it as soon it's possible.

Nov 13, 2015 | 2008 GMC Yukon

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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

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Heater not working good will blow cold air then hot. low coolant light comes on.


I had same problem on my 2001 gmc yukon. I found leak under my water pump. I replaced it myself and the problem was cured. heater wont work because there is not enough water to be heated for the heater.

Jan 25, 2011 | 2001 GMC Yukon XL

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I just had my oil changed on my 2001 gmc yukon, the mechanic said there was a leak at the head gasket, it was leaking radiator fluid, I have had my engine coolant light come on in the past. I am getting...


Stop every hour or so and check your coolant. Also check your oil frequently and make sure it's not milky. I personally wouldn't want to get that far away from home in it until I know it is not going to leave me stranded.

Feb 18, 2010 | 2003 GMC Yukon XL

1 Answer

04 gmc yukon heater air cold passanger side.


If this happens when you are idle, and then you get hot air as you drive, most likely you have low coolant and it only cycles as you drive. Get approved dextrom gmc coolat and cap off your coolant it is most likely low.

Jan 17, 2010 | 2003 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

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