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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra Climate Control
241 messages, Last post on Nov 23, 2009 at 6:24 PM
You are in the Chevrolet Silverado & GMC Sierra Forum. Your Host is kcram
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Replying to: nashcat (Jun 14, 2009 6:55 am) Whether the heater core replacement had anything to do with it will require filling the system up with R134 and checking for leaks. |
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My 04 GMC Sierra started blowing hot air from the drivers side, cold air from the passenger side intemittently. Then the display started going crazy, changing temps by itself, changing blower speed, then just shuitting down. Now it only blows hot air and will only do that for a few seconds before shutting down. Have done the comper reset twice, worked the first time. Any ideas?
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I have a 2000 Silverado that will blow cold air when you first turn the air on. After it runs a few minutes it starts getting warm. I can turn the a/c off for a few minutes and when I turn it back on it will be cold. Sometimes it will stay cold and sometimes it will get warm again. I have checked the low side pressure and it is good.
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Replying to: kmarlar (Jun 19, 2009 4:18 pm) |
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I have a 2005 Sierra 2500 HD and the blower is not working properly. It barley forces air through the vents on HI and blows with the same force on LO or wherever the knob is at. Im thinking maybe the switch went bad but Im not sure. Thanks for any thoughts on this
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Replying to: erniecain1 (Jun 28, 2009 6:00 pm) Charley |
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Replying to: erniecain1 (Jun 28, 2009 6:00 pm) resistor wiring harness was too narrow gauge and fried the resistor etc. GM covered 1/2 the cost of the harness and they should have covered it all... IF, GM dealer had officially diagnosed the problem...and if you could get a hold of the district sup....he could authorize the repair. |
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Replying to: tattudegringo (Jan 06, 2009 9:40 pm) If you didn't find out the problem; let me know and I will get mine fixed under the extended warranty and e-mail you back and let you know what the problem is. Sincerely, Robert Easterling |
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Hello, i have a 2000 gmc 1500 and i have a question about the recirculation mode. on my truck i have the outside air button, the recirculation button, and the a/c button. Is the compressor supposed to operate when just the recirculation button is on? I thought that only when the a/c button was on (lit) and either the recirc or the outside air buttons were on, that the compressor was operating. For example, i turn on my fan and it's in outside air mode, no a/c button lit, then i press the recirc button, now you can hear the engine compensate (like the compressor is coming on) and water eventually drips from the thing in the engine compartment near the firewall (the evaporator???). I'm not complaining because the air still blows cold, i'm curious about it. |
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| My '05 does the same thing, as did my '03 and my '01. So the answer is yes. I actually asked the dealer onn the '05 and they said that the compressor will run unless you put it on outside air, the recirculate and a/c compressor switch is interconnected. has something to do with the flow-through ventilation system as well. | |
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