We have a 1997 Pontiac Grand Am gt coupe with power
windows. Why does my passenger window pop out when closing. Is there an adjustment?

Well, not really an adjustment. That assembly is common for the regulator to be worn out or bent,
which would need replacement. The window may have come out of the front or rear track, or a
guide may have broken that holds the glass to the regulator (regulator is the mechanism that is
attached to the glass and has the motor riveted on to it) You will need to take the panel off, run the
glass up and down and see what is going on.

Problem with my 2002 Pontiac Grand Am blower

GM tech = JK
question = Just bought the car from my sister. Says the following has happened for years.

The blower motor comes on while the engine is off every hour or so. Runs for about 10 seconds.
Never causes a low battery situation. Doesn't seem to be normal, but I guess it could be to prevent
a/c odor smell from mildew. Didn't see anything about it being a feature of the car in the owner's
manual. Is it normal?

Yep, you got it exactly. It is to help dry the evaporator coil and case to prevent mold and mildew. It is
called "After blow". Not all models have this feature. Normally on models being built to ship to warmer
states. GM even has a kit that can be installed on vehicles that were built without this feature.
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Pontiac Grand Am Window And Blower Problems