AC Always running!!!!!! - Team Camaro Tech
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post #1 of 3 (permalink) Old Apr 2nd, 01, 01:53 PM Thread Starter
Tech Team
Join Date: Aug 2000
Location: Phoenix, AZ USA
Posts: 37

O.K. Guys I need help on this one, It's for a 1991 camaro Z28, manual V8. The problem is that I took it to the mechanic and he told me that the air conditioning was always on, even if inside it wasn't on, the motor was istill running. My question is one of the fans is not running, is the fan not connected to the air conditining, I know that the fan motor is good because I say it running a few days ago I ways surprise I thought It needed a new fan motor, what would be the problem? Plus I disccnnected the air conditioning until a get the wiring right, will the fan connected to the air conditioning still run? In another note, do you guys thing that $90 is too much to pay to have the spark plugs change? THX"S.
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post #2 of 3 (permalink) Old Apr 2nd, 01, 08:23 PM
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Join Date: Sep 2000
Location: Glendale,AZ.U.S.A.
Posts: 966

Sounds like the switch in the dash is bad.Does it feel different?Are you saying the AC compressor is on all the time?If the cooling fan is on all the time,it sounds like the relay is stuck closed.

68 z28 ,68 rs 327 ,73 454 vette, 2 goofy kids
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post #3 of 3 (permalink) Old Apr 3rd, 01, 06:41 AM
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Join Date: Jan 2001
Location: Raleigh, NC
Posts: 1,046

If the fan that is running part of the A/C circuit, then that fan will run whenever the A/C runs. The other fan should come on based on engine temperature. You should be able to look at the compressor with the car running and determine if it is engaged... If you are still not sure, do you get refrigerated air inside the car if you turn on the blower, but do not select an A/C setting on the heater controls? If you are getting refrigerated air inside the car, then the A/C compressor is running...Remember not to set the temprature control to heat when checking this...set in on the cold setting...The air will feel kind of cool without the compressor running ... It should be very cold if the compressor is running ... This may be a stuck/bad relay ... a little patience and careful inspection will help you eliminate possibilities until you isolate the problem.
About the plugs, the problem with a lot of cars these days is getting to the plugs. Is this a job you feel you can do yourself? If not, get a 2nd opinion from aonther garage. Then, whatever route you choose, make sure that quality plugs are used ( and if a garage does it for you ) make sure that they change all 8 plugs.
A good price is what you feel comfortable about. It should cover getting the job done correctly and giving you peace of mind.
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