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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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10-25-2009, 06:52 PM
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#1 | |
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AF Enthusiast
Join Date: Aug 2004
Location: westminster, Maryland
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90 cavalier,a/c issue
i have a 90 with the 2.2 tbi. i just replaced the a/c compressor since the old one had a leak and recharged the system. now my issue is that i can turn the a/c on and then the motor starts reving and the coolent fan starts turning on and off. i checked the a/c relay and its click on off on off like that. if i remove the relay then fan turns off and motor idles correctly. now once the a/c compressor kicks in then it idles correctly and the fan runs at full speed as it should. it did this even before the new compressor. during this i watched the pressure in the a/c system and it never drops low. what woulds cause this to happen and i've also tried replacing the relay.
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95 jimmy. Vortec V6. 4.3 liter CPI. ,2.5" catco cat, 2.5" cat back with flowmaster muffler split rear., 40 street series, 2 12" audiobahns in custom box,K&N CPI intake system. 71 Mustang coupe- project car. stock 302 with Cobra intake, holley 650dp, afco racing radiator, headman headers, msd distributor, 2.5" from the headers.C4 tranny with shift kit, Mach 1 body lay out. 90 cav, 2.2 tbi, gas getter. 99 chevy s10 zr2, 6" lift, duel exhaust. 5 speed. |
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10-25-2009, 10:59 PM
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#2 | |
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AF Enthusiast
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Join Date: Aug 2004
Location: westminster, Maryland
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Re: 90 cavalier,a/c issue
also does anyone know where the diode is for the a/c compressor clutch?
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95 jimmy. Vortec V6. 4.3 liter CPI. ,2.5" catco cat, 2.5" cat back with flowmaster muffler split rear., 40 street series, 2 12" audiobahns in custom box,K&N CPI intake system. 71 Mustang coupe- project car. stock 302 with Cobra intake, holley 650dp, afco racing radiator, headman headers, msd distributor, 2.5" from the headers.C4 tranny with shift kit, Mach 1 body lay out. 90 cav, 2.2 tbi, gas getter. 99 chevy s10 zr2, 6" lift, duel exhaust. 5 speed. |
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