Question about 1998 GMC Safari

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My front air blows hot but the rear air is cold

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Needs a gas recharge ,two AC units on this type of vehicle use around 1.4kgs of gas

Posted on Jul 16, 2010

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Posted on Jan 02, 2017

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1 Answer

Passenger side blows cold air--what part could it be


2001 Chevy Tahoe Heat Problem - Tahoe Forum

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Dec 5, 2008 - 10 posts - ‎7 authors 2001 Tahoe, the front heater blows a little hot air when the car warms up and then blows cold air. The rear heat seems to work fine. I changed ...

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On my wifes 03' Yukon the rear air conditioning blows hot air no .... Pull the panel off and look at the hot/cold actuator shown in the picture.

Oct 30, 2015 | 2001 Chevrolet Tahoe

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Heater blow cold air in front hot air in rear


could be blend doors in heating duct work.

Mar 22, 2013 | 2008 Saturn Outlook

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Heat blows cold air front and rear when sitting still or @ low mph.


Usually a sign of low coolant or a blockage in the circulation.

Feb 26, 2013 | 2003 Chrysler Town & Country

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Front a/c blows cold air but back is blowing hot air


Could be low on freon, a faulty expansion valve on the rear system, or other issues. Can you tell if the rear ac lines are hot and cold ?

Aug 04, 2012 | 2001 GMC Yukon

1 Answer

1997 gmc rear air conditioner is blowing hot


Could be a blockage in the lines to the rear unit.
Might be low on freon too. Or a blend door problem.
Can you check under the floor and see if one of the lines is cold ?

Jul 04, 2012 | 1998 GMC Suburban

1 Answer

It blows out hot air even when the air in the front is cold


Hard to read your question, do you mean it blows cold air out of the front vents and hot air out of the rear passenger vents?

If the air coming out of the front is just cool and not cold, and the rear vents are warm, you have low freon and need to have it serviced.

Jun 03, 2011 | 2000 Pontiac Montana

1 Answer

How can I determine if my compressor is out on my


If you still get cold air out of the rear vents but the front only blows hot air you may have a bad temp door actuator in the dash, it may be stuck on hot and not able to move to cold air. However if you are low on freon with a truck that has front and rear ac then there will be a temp diff between the two. If it is hot air out the front like the heat is on then you have that actuator problem but if it is cool air about the same as the outside air temp then you may be low on freon.

May 23, 2010 | 2004 GMC Yukon

1 Answer

My 2001 venture van rear air is blowing hot air


often on the vans with rear air the air dor acuator goed bad and can no longer switch from hot to cold. also the swich itself will often go bad. this can be caused by sticky fingers damaging the inside of the switch. sometimes a good cleaning in warm water will fix a sticky switch

Apr 23, 2010 | 2001 Chevrolet Venture

1 Answer

2002 GMC Yukon blows cold air from the front, rear works fine


check you antifreeze level and make sure its full

Jan 26, 2009 | 2002 GMC Yukon XL

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