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SUVs GMC Envoy GMC Envoy Heating Ventilation and Air Conditioning
37 messages, Last post on Aug 30, 2009 at 9:35 AM
You are in the GMC Envoy Forum. Your Hosts are steve_ & tidester
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Replying to: carnyco (Jun 11, 2008 4:15 pm) |
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I went to my GMC dealer and asked them about the problem. He went out to my auto and reached in the engine compartment just behind the glove box (by feel) and pulled out two components. One black straight rubber tube first, about 1 to 2 inches long, and a connecting plastic black elbow (90 degrees). He proceeded to clean them out by blowing in them and then reinstalled them. He said that this is where blockage impedes the flow of condensation and causes leaks in side. He said he has done this a few times for customers. It took all of 5 minutes, no charge. Leak has sensed stopped so far. Hope this helps. |
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| 2002 Envoy the air quits after about 20 minutes. I replaced the EV Fan with no luck. Any suggestions on what to look for? | |
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Not sure if this is related or not but...My A/C was intermittent in my 2003 Envoy. The external temp gauge was reading 50 on 90+ June days. It appears that the 'The ambient air temperature sensor' needed replacing. It mounts near the radiator. I replaced it in 10 mins and the part cost $21. The dealer was going to charge $200. If you replace it, you need to update the ambient air temperature display on the HVAC control module, perform the following procedure: 1- Turn ON the ignition. 2.-Simultaneously press the MODE, FRONT DEFROST and REAR DEFROST switches. This process worked a couple of times before I was able to replace the sensor. Hope this helps!!!
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Replying to: carnyco (Jun 11, 2008 3:55 pm) |
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All of the HVAC controls and temperatures function on the console of my 03 envoy, but the blower ignores the speed control. It usually is off, but sometimes comes on at arbitrary speed when the car is initially started. Where is the control module, Does it need reset? Please help. Thanks.
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Replying to: carnyco (Jun 11, 2008 4:15 pm) I also have the same problem. Did you get it fixed and if so what was the fix? Thanks very much. Bob |
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Replying to: hood4md (Jul 11, 2008 1:08 am)   I'm having the same problem with the A/C. The ambient air temperature is stuck on 50 degrees. I tried the resting of the control module with no luck. I've spend the better part of the day looking of the Ambient air sensor behind the radiator. the sensor is not there, is there another location.
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Replying to: alfa116 (Jul 27, 2008 2:24 pm) |
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Replying to: siksa (Jul 12, 2008 5:00 am)
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