Easy Fix - A/C Compressor Clutch not engaging - Saabnet.com Bulletin Board

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Easy Fix - A/C Compressor Clutch not engaging
Posted by Greg Bender [Email] (#1027) [Profile/Gallery] (more from Greg Bender) on Mon, 16 Jun 2008 19:32:08
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Hi all,

The car: 2000 Saab 9-5 SE V6; 103,000 miles

We live in the Phoenix metro area...just now starting to get warm with Sunday's high about 110 degrees F. I loaded up the family to go to church Sunday morning. 3 year old daughter and 7 1/2 month pregnant wife. A/C ran fine for the first 5 miles, then wouldn't run any more. Needless to say, it was a hot ride there and back.

A quick investigation this evening after work revealed the compressor clutch was not engaging. Hmmm...could be low on refrigerant. But, I had recalled Anders posting something about checking the electrical wire to the compressor before anything else. Sure enough, that connection was bad. I fit a couple new terminals and the problem is solved...the clutch on the compressor is engaging every time as appropriate.

For those so inclined to check, the wire connected to the A/C compressor is black and it is connected to a yellow wire using the standard connectors that Saab uses just about everywhere else on the car. I disconnected the negative terminal on the battery, then proceeded to remove the hose to the Air Mass Meter and then the Air Mass Meter itself. That left plenty of room to hook up the test light, and use wire cutters, strippers, and crimpers.

So, there you have it. The price and effort I'd like to put into all automotive repairs :>

I hope this helps!


Greg Bender
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