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Topic: Crash course into A/C
Registered: Sep 2002
posted 09-12-2002 05:49 AM
anybody have quick inspection list to chase down what's wrong with the A/C? I've only checked that the fuses are good; when I select A/C at the selector some air passages change inside the dash but compressor won't start. The coolant may have leaked out but is the systems so smart that it prevents the comp to start ...
Thanks in advance.
From: Coleman, Wisconsin
Registered: Jan 2002
posted 09-12-2002 07:42 AM
the O-rings go bad on these cars. freon leaks out, clutch won't engage compressor due to lack of freon. follow the ac lines and look for an oily substance, which would be freon. then you can know for sure that you've got a leak, and not just low freon.
-1989 Mustang GT (MaxTang)
BBK Strut Brace
4 cats, no muffs
"My Best Friends Are My Dog, and My Car"
From: Waldorf MD USA
Registered: Sep 2000
posted 09-14-2002 02:07 AM
Well first thing you can do is check to see if the compressor is still good. Jump the low pressure switch. If teh compressor comes on, then you are probably out of freon. Like Boss mentioned, O-rings are famous on fords. If the system has been open for a really long time I would suggest replacing the reciver/dryer as these tend to become water satureated when open to air for extended peroids. Additionally, you'll need to get an evac/recharge once you get all of the o-rings replaced. You have R12 in your car which is NOT compatable with R134 and is also something you can't get off of the shelf anymore. Make sure the shop that does the evac and recharge holds a vaccum first to make sure you don't have any other leaks. They SHOULD check this anyway, but some places don't.
92GT "The Ghetto Sled"
CMPS major @ University of MD college park
Best ET/MPH thus far: 14.40/100.67mph....damn wheel spin.
VP and co-founder of CMTC www.cmntc.com
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