Question about Chevrolet Tahoe

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I have a 99 Tahoe that I replaced the switch under the radio. I went to recharge it and the compressor and ac lights only work when in the off position. Like the polarity is backwards. Do you have any ideas? Thanks

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Maybe you hooked the switch up backwards. did you check to make sure which way it plugged when you replaced that switch? amybe thats your problem. hope i helped!

Posted on Aug 23, 2010

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Posted on Jan 02, 2017

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When fixing an ac compressor on a 97 tahoe would you have to change any thing else?


Assumming the compressor is the problem - You will need to capture the current gas and recharge the system after replacement - you will need to take it to an air-conditioning specialist first to have this done.

Apr 25, 2017 | 1997 Chevrolet Tahoe

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My 99 tahoe a/c is not working and is recharged properly. The clutch does not engage on the compressor and the compressor is new. What can the problem be


if you did the recharge then check the gas pressures as there are two main switches that control the ac operation
one is a high pressure switch which stops operation if there is excessive gas or a blockage and the other is a low pressure switch which stops operation if the gas has leaked out
did you have the ac system checked for leaks before gassing it or replacing the ac compressor
lastly some systems have a relay that controls the ac and that can fail

Jul 09, 2016 | Cars & Trucks

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On our 2003 Tahoe there is a pump like squeak, umm, almost like bed springs when... Um, nevermind, when the ac power is on. Everything is working ok but sure is irritating. Seems to be getting louder.


If it is worse when reving the engine in park, your AC compressor is failing (common problem). The AC compressor, orifice tube, accumulator, belt tensioner and AC belt will need to be replaced and the AC system flushed before recharging.

Oct 14, 2013 | 2002 Chevrolet Tahoe

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I have an 04 Tahoe. The entire ac has been replaced- compressor, dryer,orifice,sensors,and recharged. The ac worked for a couple weeks but just stoped. The compressor will not turn on.


Hi Pearce, Take the vehicle and have the pressures checked. Sounds as if it may be leaking and has lost pressure. The system has valves which allow operation only if the system has the correct pressure. Regards John

Apr 29, 2012 | 2004 Chevrolet Tahoe

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Have 2001 Tahoe. AC runs cold in front and warm in back. Repair shop says rear expansion valve plugged (metal shavings, etc.). Suggest replacing compressor. Intend to get rid of truck early next year...


no it will not fail but i suspect that you only need a recharge of gas as with two AC units you should have about 1.2 kilos of gas in this system and i think you only have about half that ?? could be wrong mind but i do think your being taken here to make up the wage bill for the month

Jul 19, 2011 | 2002 Chevrolet Tahoe

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Front AC blows warm and the rear blows cold in my 99 Tahoe


I just worked through a similar issue with my van. The front and rear systems each have their own expansion valve. Chances are the front one is stuck and needs to be replaced. System will have to be evacuated and recharged.

Aug 05, 2009 | 1999 Chevrolet Tahoe

1 Answer

1999 Chevy Tahoe AC compressor cycles on and off.


That would be the fan clutch on the compressor itself... if it wont take a charge with all setting on high and running then you'll need to get it replaced , have a specialist inspect it to make sure the innards of the compresor arent junk...I have same pronblem with my 97 z28.. but it will take a charge and last 3 months then i have to recharge...The clutch and innards of my compressor are going bad..So its a chevy known issue,,,best of luck...Ohh one more thing do you hear a hiss when you turn it off and on, the ac that is

May 18, 2009 | 1999 Chevrolet Suburban

1 Answer

How do I disable the AC low pressure cut out switch


using a paper clip in a "U" shape jump the two pins on switch it will make the compressor cycle and that will allow you to recharge the system. Good luck and thanks for using FIX YA

May 12, 2009 | 1999 Chrysler Town & Country

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99' Chevy Tahoe Air Conditioner not working


It doesn't blow cold air? Doesn't come on at all? What's the problem? If it doesn't blow cold after a charge, it leaks. Either on the compressor or in a line or both. To start at the dealer, a compressor is about $1200. That's what they told me. I have two leaks. You can buy remanufactured compressor on ebay for under $200. Or find a good shop (polar bear around here) with reasonable prices and have them do it for something in between.

If it no air is moved at all by your climate control system, the blower motor could be fried, the switch may have gone bad or a fuse is blown perhaps. If it moves air, but not cold air, recharge it and see if it stays cold. If so, great! If not, find the leak.

Mar 18, 2009 | 1996 Chevrolet Tahoe

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