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GMC Jimmy Climate Control Problems

82 messages,  Last post on Oct 11, 2009 at 6:56 AM

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

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#59 of 82 1997 GMC SUB by rtitone Jul 30, 2007 (7:54 pm)
A/C ON BLOWS AIR FRONT AND BACK, BACK COLD FRONT NOT, WHERE DO I START, THANKS
#61 of 82 1995 GMC Jimmy: Heater Fan stopped blowing by bg3000 Feb 09, 2007 (9:45 am)
When I started my '95 Jimmy yesterday morning the heater fan was on and blowing, so I turned it off until the car could warm up. When I went to turn it on again the fan didn't come back on. No noise, no fan , no nothing. I checked the heater fuse and replaced it, but no luck. Any ideas? Replies to this message: repairdog (Feb 10, 2007 4:36 am)
#62 of 82 Re: 1995 GMC Jimmy: Heater Fan stopped blowing [bg3000] by repairdog Feb 10, 2007 (4:36 am)
Replying to: bg3000 (Feb 09, 2007 9:45 am) Probably the fan motor died - cheap part to replace from underhood and believe only 3 small bolts - all stores sell them. Also possible fan resistor mounted by AC box but thats speed control so fan should still be on at some speed.
#63 of 82 Jimmy 2000 Heater Blower Not Working by mkcurare Feb 21, 2007 (11:29 am)
My 2000 Jimmy stopped blowing air. I have heat and defrost, just no air movement. I'm not sure where the blower motor or blower motor resistor are located. On this model they seem to be hidden by a sealed black plastic shroud that must be cut open. Is the motor resistor located within that black plastic shroud or is it mounted somewhere on the firewall?   Thanks in advance. Replies to this message: jnohr (Mar 01, 2007 8:08 am) repairdog (Mar 03, 2007 5:51 pm) johnpaulten (Jul 22, 2007 11:39 am)
#64 of 82 Re: Jimmy 2000 Heater Blower Not Working [mkcurare] by jnohr Mar 01, 2007 (8:08 am)
Replying to: mkcurare (Feb 21, 2007 11:29 am) My 2001 Blazer just suffered the same fate. How do we get to the fan motor? Replies to this message: repairdog (Mar 03, 2007 5:51 pm) johnpaulten (Jul 22, 2007 11:39 am)
#65 of 82 Re: Jimmy 2000 Heater Blower Not Working [jnohr] by repairdog Mar 03, 2007 (5:51 pm)
Replying to: jnohr (Mar 01, 2007 8:08 am) Resistor is under that plastic cover - cut to access. The fab motor is accessed underhood on pass side. Replies to this message: johnpaulten (Jul 22, 2007 11:39 am)
#66 of 82 a/c blower stays on:2003 avalanche by johnpaulten Jul 22, 2007 (11:33 am)
a/c blower will not shut off when ignition is off
#67 of 82 Re: Jimmy 2000 Heater Blower Not Working [repairdog] by johnpaulten Jul 22, 2007 (11:39 am)
Replying to: repairdog (Mar 03, 2007 5:51 pm) any idea when fan motor(a/c) wont stop running even when ignition is off/ 2003 avalanche
#68 of 82 Heater Blowing Cold Air by jflo520 Nov 07, 2007 (6:27 am)
I have a 98 Jimmy and sometimes the heater will blow only cold air. It was working fine last night, but when I used it this morning the air was cold while I was idling. It warmed up once I got going, but started blowing cold again after about 10 minutes. Can anyone give me an idea what might be causing this? Replies to this message: jarett (Nov 19, 2007 6:02 am)

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