Re: Crazy A/C - Saab 9000 Bulletin Board - Saabnet.com
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Re: Crazy A/C
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Posted by Lu [Email] (more from Lu) on Sat, 4 Sep 2004 14:05:04 Share Post by Email
In Reply to: Re: Crazy A/C, Kappy, Sat, 4 Sep 2004 04:37:44
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Do a search on the "AC Clutch" and read the oldest first. You should find the ones listing the correct clearance for the shimming of the clutch. It has been a long while ago that the guys went over that. Kappy's might be better than I on the gap required, I do know that it is a cure for bad compressor operation from hearing what others have fixed by doing it.

Do you ever run the ACC manually on AC? To do that go to ECON and then touch it again to darken the LED on it and then lower temp setting to cycle the compressor. ACC will not kick on heat to play catch up with a too cold cabin it will just blow fan until cabin warms up. Or you can start in Auto and change a major vent control like fresh air input to knock the Auto off. That changes its mode from totally auto control on all vents, sources, and heater to just manual mode. As Kappy says there can be burnt connectors on the fan and solid state (not resistor on ACC car) controller which get more resistive as the warm up and it can slow donw the fan more.
New Radiator isn't expensive and I am firm believer in using distilled water in coolant as we have calcium rich hard ground water aroud here. That will deposit enough to kill flow of a good radiator. Had to replace my 93 CSE's rad last summer due to pinhole leak in plastic end cap and the orig rad was clean as a pin as it was a distilled water only system all its life.

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