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GMC Envoy Heating Ventilation and Air Conditioning

37 messages,  Last post on Aug 30, 2009 at 9:35 AM

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What is this discussion about? GMC Envoy, Heating / Cooling, SUV

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#1 of 37 NO AIR COMMING OUT by abra0101 Jan 26, 2008 (10:33 pm)
I'VE GOT A '02 ENVOY SLT AND MY PROBLEM IS NO AIR IS COMMING OUT ON THE VENTS AND SOMETIMES I HEAR A CLICKING SOUND UNDER MY DASH, IF THIS IS THE BLEND ACTUATOR WHERE COULD I FIND IT AND WHAT TO REMOVE TO GET INTO THE ACTUATOR? YOUR ADVICES IS GREATLY APPRECIATED....THANKS Replies to this message: maxx13 (Feb 13, 2008 6:48 pm)
#2 of 37 Re: NO AIR COMMING OUT [abra0101] by maxx13 Feb 13, 2008 (6:48 pm)
Replying to: abra0101 (Jan 26, 2008 10:33 pm) WERE YOU ABLE TO SOLVE THIS PROBLEM? STRANGLY ENOUGH, THIS IS EXACTLY WHY I JOINED THIS SITE TODAY. WITHOUT WARNING...NO AIR MOVEMENT AT ALL. NOTHING! IF YOU FIXED THIS, I WOULD APPRECIATE SOME HELP....THANKS IN ADVANCE
#3 of 37 A/C Not working '02 Envoy by dingo6120 Feb 14, 2008 (8:53 pm)
I had this problem after 100k. After some careful analyzing, i realized that my electronic climate control system was also reading the wrong exterior temp. What this means is that the truck thinks its exterior temp is cold enough to freeze the compressor and therefore will not allow the a/c to kick on. After I bypassed the ext temp sensor I have not had any problems since. Replies to this message: envoyager (Feb 16, 2008 8:36 am)
#4 of 37 Re: A/C Not working '02 Envoy [dingo6120] by envoyager Feb 16, 2008 (8:36 am)
Replying to: dingo6120 (Feb 14, 2008 8:53 pm) After bypassing your ext temp sensor (is this the one by the front of the radiator?), what does your temp readout show (either in your mirror or HVAC)?
#6 of 37 04 envoy -no hot air right side by dlasner Feb 23, 2008 (2:16 pm)
My left heat control works, but the right side seems to be stuck on cold or neutral temp. Sliding it up or down does nothing and I don't hear any change in whatever mechanism allows hot air in on the left. does anyone know what the problem could be?
#7 of 37 02 trailblazer external temp sensor. by sidehustle2007 Apr 20, 2008 (3:18 pm)
where the hell is this sensor will someone please tell me.
#8 of 37 a/c by kenny1018 May 17, 2008 (12:47 pm)
my a/c control is stuck on the floor selection what do i do
#9 of 37 04envoy by ricardog504 Jun 03, 2008 (6:12 am)
my air stopped venting through the front vents all other vents work defrost rear air floor side but not the front.i would like to know what the problem might be causei already did the ignition switch. i am pretty handy but need a direction to follow. Replies to this message: carnyco (Jun 11, 2008 4:15 pm) cyokley (Jul 05, 2008 6:59 pm) siksa (Jul 12, 2008 10:02 am)
#10 of 37 A/C by mlbarfield73 Jun 09, 2008 (4:21 pm)
This morning my 2003 Envoy's A/C worked fine. At lunch, it was only blowing hot air. The outside sensor looks like its "stuck" on 80 degrees with the letters EXT above it. What the heck?!? Our mechanic is going to look at it tomorrow, but it is weird that two hours later it didn't work. Replies to this message: hood4md (Jun 10, 2008 8:28 pm) carnyco (Jun 11, 2008 3:55 pm) eyott (Jul 11, 2008 6:01 pm)

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