I agree w/Keith G. Try this test (easy and cheap)... - Saab 900 Bulletin Board - Saabnet.com
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I agree w/Keith G. Try this test (easy and cheap)...
Posted by Micah in NC [Email] (more from Micah in NC) on Wed, 3 Jul 2002 10:51:47
In Reply to: Weak & intermittent AC, Doug [Profile/Gallery]
, Wed, 3 Jul 2002 08:36:50
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Doug,
When you have a spare couple of minutes, have your 900 running with the A/C on, let it idle, pop the hood, raise the hood and look at the sight glass on the receiver/dryer (I believe that's the right term) and have a peep at the sight glass. Foam/many bubbles are an indication of a major leak. Clear sight glass and/or a few, tiny bubbles are best. Bubbles mean a leak of some sort, I'm pretty sure.
If you see bubbles, then almost certainly your freon charge is low. That can make the low pressure safety switch stop power to the a/c compressor clutch, causing the no cooling.
I'll put a link to my a/c page on my fledgling SAAB website below.
Hope this helps!
Micah in NC
'84 900S, 214K mi.
posted by 216.77.233...
Click here to go the photo of A/C sight glass.
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