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View Full Version : A/C button problem.........


tim s
07-22-2005, 09:09 AM
about 1 out of 10 times i shutoff the car, when i start it backup the a/c button is off even though it was on when i stopped the car.
is this normal or is something failing?
thanks
tim s.
DaCan23
07-22-2005, 09:16 AM
I cant remember how mine acts....it might turn off the AC button... but it's a good idea to turn off all your AC or Heat controls about a few miles from a destination for system "care"
Bellicose Right Winger
07-22-2005, 10:25 AM
There's a service bulletin on this, No. 640495000 and some sort of a wiring fix. Apparently fan acts as generator as it coasts down causing loss of setting.

Paul Shovestul


about 1 out of 10 times i shutoff the car, when i start it backup the a/c button is off even though it was on when i stopped the car.
is this normal or is something failing?
thanks
tim s.
632 Regal
07-22-2005, 10:36 AM
mine comes back on when I start it back up, I would rather it didnt for over nights when it is cooler in the mornings.
uscharalph
07-22-2005, 11:16 AM
Just ran a little errand. I just won Stevie Nicks tickets from JACK FM 93.1 I checked mine and the a/c stays on.
tim s
07-22-2005, 08:35 PM
tim s.

There's a service bulletin on this, No. 640495000 and some sort of a wiring fix. Apparently fan acts as generator as it coasts down causing loss of setting.

Paul Shovestul
Bellicose Right Winger
07-23-2005, 07:07 AM
Tim, I think you'll have to beg, borrow, buy or steal the TIS CD. They're cheap on Ebay. I haven't figured out how Bill R. pastes ETK/TIS excerpts into posts.

My '93 525 does this also on occasion also. From description of problem, it's probably more likely to happen if fan is on high speed when you shut off engine. You might check for this pattern.

Paul Shovestul
tim s
07-23-2005, 02:40 PM
tim s.



Tim, I think you'll have to beg, borrow, buy or steal the TIS CD. They're cheap on Ebay. I haven't figured out how Bill R. pastes ETK/TIS excerpts into posts.

My '93 525 does this also on occasion also. From description of problem, it's probably more likely to happen if fan is on high speed when you shut off engine. You might check for this pattern.

Paul Shovestul