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How do you replace the Air Conditioning compressor clutch on a 1996 Saturn SL series?
Wiki User
∙ 12y ago
UPDATED, see below...
There are a/c clutch removal tools available at most auto parts stores. The process as experienced by someone repairing a Hummer is shown on this page:
http://flashoffroad.com/Maintenance/hvac/airconditioning/clutchPullyService.htm
You should be able to find the right tool by going to a local auto parts store. If not, at least this gives you something to look for online.
UPDATE: Since writing this I've found you don't need a special tool, if your compressor is the same as on a 2002 Saturn SL which I've taken apart this weekend. This model uses a Zexel compressor (which I've written about in comments on another question), and the thing comes apart without arcane tools.
Remove the central screw from the front, pry off the clutch plate with a flat screwdriver (yes, according to GM), and then use a 3-jaw puller like you can get at an auto parts store, and a suitable deep-well socket to remove the pulley if necessary.
IMPORTANT: Use the deep-well socket to avoid placing ANY pressure on the compressor's shaft when you're using the puller; otherwise you'll damage your compressor and the shaft seal will be breached (i.e. refrigerant venting all over you). Check the clutch coil for continuity at the connector pins with a voltmeter set to measure resistance -- it should be pretty low. If it's very high or doesn't change when you touch the meter probes to the pins, then the coil wire is damaged somewhere. Also you can try putting 12V to the coil manually, and checking for a strong magnetic pull. If the coil is bad, remove three screws from the inside of the coil at the front, and it falls right off. The three screws are a bit hard to break free, so be sure to press into them hard with the screwdriver to keep from stripping them as you turn. (Why did they use Phillips screws for this?)
Wiki User
∙ 12y ago
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