Weird AC Behavior

Phil Rose pjrose at
Fri Aug 16 10:36:05 EDT 2002

At 1:05 AM -0400 8/16/02, PeterBergin at wrote:
>Paul, I had the same problem with my old 5000 Avant. After much frustration
>and untold hours of testing, it turned out the be the climate control (vacuum
>switch box) which is located behind the glove box.  It was not holding
>pressure.  They cost less than $200 and are made by Delco, (also found it mid
>80's Cadilac's).
>It is easy to replace, and can be tested with a hand vacuum pump.

I had a similar problem (in an '89 100) that was caused by a
disconnected vacuum line-- located under the plastic cover.


Phil Rose
Rochester, NY
mailto:pjrose at

More information about the 200q20v mailing list