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Old 07-20-2019   #4
LilRedCorvette
 
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Join Date: Dec 2012
Location: Virginia
Posts: 99
Default Re: A-C/cruise/PS woes - 1994 non-ZR-1 A4 Vette

Quote:
Originally Posted by lfalzarano View Post
The AC clutch switch is a cheap replacement. The compressor is expensive. Just had my switch replaced and have my AC back. 100 degree weather in NC is not fun to drive in A ZR-1!

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As noted in my OP, already did that (twice)...

Quote:
Originally Posted by LilRedCorvette View Post
Also a while back the a/c blew hot, ended up doing a recharge, worked fine for a while. Then the problem resurfaced with it being the clutch switch going out. Replaced that and the a/c worked again. Now it's out again. Refrigerant level is fine, replaced the switch again to see if maybe it was defective, nope, a/c still doesn't work.
I worked a bit more on it yesterday and think my issue is two-fold...

1. Vents not blowing any air. The compressor seems to be working just fine (lines are cold) with plenty of charge, and

2. A/C clutch itself getting hung up intermittently (took cell phone video, will try to post).

I'm going to pull the blower control module today and test for continuity...if it's bad, then there might be my vent problem. That's an easy fix.

A/C clutch/bearing/hub/coil/etc gonna be a bit more work to pull/test!

Any other thoughts on if I am/am not on the right track appreciated.
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