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Old 08-09-2013, 08:53 PM
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Jay Gibbs Jay Gibbs is offline
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Join Date: Jul 2000
Location: US
Posts: 328
87 300TD AC Compressor won't go on...

Another issue although hopefully it is easy...

AC was blowing cold until a couple days ago. Decided to degrease/wash engine. Shortly after wash, I noticed aux electric fan runs all the time whenever key is on- whether engine is hot or cold and AC compressor will not engage.

Took it to my local shop...they confirmed that the R134a is fully charged, and that the compressor runs fine and blows cold if they jump the power to it, but it is not getting electric otherwise. Thought it might be blown fan relay, but changed it (and compressor fuse) and still aux fan is on all the time and no compressor running. Anything else that can be quickly and easily checked? Supposed to be going away tomorrow for week vacation and not looking forward to the drive without AC!!

Any suggestions?

Thanks!

J.G.
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