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How to change out 94 deville air compressor. - 1994 Cadillac DeVille

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Posted on Jan 02, 2017

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SOURCE: my compressor is grinding what is wrong?

Sounds like a bad clutch in the compressor. First you must discharge your AC system with an AC machine that sucks it out. Then you need to remove your drive belt by releasing tension on it by turning your belt tensioner the way it needs to go the slip the belt off the compressor pulley and NOT the entire pulley system just leave the belt on the other pulleys so it's easy to remember how it routs. Then remove your high pressure and low pressure lines that bolt to the compressor and make sure the system is discharged before you do so. Then you will have three or four bolts that hold the compressor to the engine/timing cover. After you get those out it's a wiggle game getting the compressor out of the vehicle. Once all done install new compressor in reverse order of taking it out then once it's all buttoned up you must use an AC machine to vaccume all the air out of the system to ensure proper AC operation then you charge the system to the manufactures specified value which there should be a sticker on your hood or raidiator brace on top if no sticker check the owners manual if still nothing call a Cadillac dealer and ask for the manufactures specified AC system charge weight for your vehicle. Hope this helps buddy

Posted on Jun 30, 2014

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1 Answer

What else do i need for tune up on 99 cadillac deville besides plugs and wires


There isn't much to a tuneup now days, I wouldn't even bother with plugs and wires unless it needed it. The basic tune up is an oil change, air filter, check all fluids, brake pads, hoses, any thing that needs attention. I don't think I have changed plugs in 10 years, or wires for that matter. And I am driving a 94. Hope this helps.

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seems that you replaced everything I would have thought of.

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The lines should be differant sizes.. Did you check it? Ther should be a diagram on the cover over your radiator showing you the set up.. Hope this helps..

Aug 26, 2009 | 1991 Cadillac DeVille

1 Answer

Air conditioning won't engage


To reset your AC compressor, you need to remove power for at least 15 minutes. After you reconnect, the compressor should turn on. If it does, immediately turn to high and try to add refrigerant. Best of luck.
Greg

Jun 01, 2009 | 1994 Cadillac DeVille

2 Answers

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yes u can, u will need one of suncore industries kits ($539.00) to do the conversion to standard shock strut system, u will also need the relay kit. Call them before u buy.
http://www.suncoreindustries.com/cadillac-pages/cadillac-deville/1994-1996/cadillac-deville-94-96-suspension-relay-connector-kit.htm

May 14, 2009 | 1994 Cadillac DeVille

3 Answers

Just brought used 94 cadillac deville ac works great but no heat


This is the the Cadillac Climate Control operates. When you press AUTO, the system will automatically maitain DESIRED temp . The A/C compressor will operate ALL THE TIME on AUTO. Don't want the a/c compressor to operate, PRESS " ECON". Air delivery will NOT be DE-HUMIFIED, nor will it cool, only warm,. Hope this helps.

Apr 15, 2009 | 1994 Cadillac DeVille

1 Answer

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you would be better off getting another compressor, used would be cheapeast, rebuilds are expensive

Jul 12, 2008 | 1994 Cadillac DeVille

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