Question about 2004 GMC Envoy

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I have a climate control problem on 2004 gmc envoy, it's climate control's fan is not working at level 1-3

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The likely problem is the blower motor resistor pack is defective. It is located behind an access panel below the glovebox. Go to and do a search on "blower motor resistor replacement"

Posted on Sep 09, 2010


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1 Answer

2004 gmc Envoy HVAC system AC works great for about 20 minutes then just starts blowing hot it's the digital climate control if you let it sit for a while it runs great for 20 min then blows hot again

Rule one thing out.... make sure you're coolant reservoir is full

The compressor has a thermal switch, if it gets too hot in the engine bay, will turn off, then back on when it's cooled off.

Jul 19, 2018 | 2004 GMC Envoy

1 Answer

My 2004 envoy blows hot in two vents and cold in other vents when i turn on A/C

If equipped with climate control, the most likely cause of this issue is a blend door motor failure. IN some cases the entire dash assembly must be removed to access these control motors.

May 17, 2015 | 2004 GMC Envoy

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Why does my high speed #5 not work on my climate control on my 2003 GMC Envoy

The hi speed is controlled by the fan relay located in the under hood fuse block. It isn't working.

May 16, 2014 | 2003 GMC Envoy

1 Answer

Level 5 on my air conditioner is not working.

ok that means that speed number 5 on the fan blower is bad or your climate control unit is malfuntioning

Jul 13, 2012 | 2004 GMC Envoy

1 Answer

My climate control only works when i Have it on high

The switch needs to be replaced or cleaned, there r 4 copper connections that regulate the power going to the motor, the previous owners probly only used hi so the connections r dirty

May 13, 2012 | 2004 GMC Envoy

1 Answer

Had to change out battery now climate control not working

Climate control need to be reset, turn all functions off and set all switches to CCW position. Disconnect battery for about 10 minutes, reconnect battery and don't touch any controls for several minutes. You may hear the climate control cycling at this time.

Sep 25, 2010 | 2004 GMC Envoy

1 Answer

What is the best type of motor oil for 2004 GMC

this engine calls for any major brand 5W20W (I prefer Valvoline), in very hot climates u can use 10W30W, but no heavier.

Jun 04, 2010 | 2004 GMC Envoy

1 Answer

I have a 2004 GMC Envoy with 4.2 V-6 and I'm getting OBD codes os P128 and P526. Engine temp gauge is fluxuating between 170 and 210 degrees. Coolant level is fine.

these have an electronic cooling fan that has a high rate of failing. Dealer parts only, parts & labor about $700.00 to replace the cooling fan.

Dec 31, 2009 | 2004 GMC Envoy

3 Answers

Heater fan only works on the high position?

There is a plug up under the glove box that loosens and you need to snug it up.

Dec 09, 2009 | 2004 GMC Canyon

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