Question about 1990 GMC Rally
The window will not fall down if you remove the motor. The window is attached to the regulator. The regulator has a neutral spring in it that assists in the up and down movement. Remove the door panel to gain access to the motor. There is usually 2 or 3 bolts that connect the motor to the regulator. Disconnect the wiring harness from motor and remove bolts to remove motor. Hope this helps.
Posted on May 14, 2009
pull the door panel off and youll see where the window motor is . it usually is reveted to the frame drill the revets out and youwill be able to pull the motor out. sometimes you can buy a rebuild kit for them. inside the motor there are three plastic peices the get eaten up the rebuild kit has these pieces and it is pretty easy to fix. if you hear the motor working but the windows dont go up of down you may be able to do this type of fix if not then you have to buy a knew motor
Posted on Dec 09, 2008
I am guessing you have power windows. Happens to mine sometimes.
Slam the door a couple to few times, see if that doesn't put the window back on "track". I mentioned this to the dealership a while back and they were going to charge about $90 to pop off the interior part of the door and put it back on track. They said it "builds up dirt".
I actually also toggle the window switch a few times to see if it will move slightly and then do my door slam thing a couple to few times. I seem to get this problem when it rains.
I hope it helps.
Posted on Sep 07, 2009
I don't know everything there is to know about window motors, but I have seen this before, both mine went out at the same time, not together but a couple weeks apart, like they were dated. Anyway, I replaced both motors, then both operators. Now they both work fine. I would hang on to the old motor, you never know, it might be good, You might have a bad switch on the door, I had to take my switches apart on my other truck and clean the contacts, got both motors working again, Hope this helps.
Posted on Mar 20, 2010
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Posted on Jan 02, 2017
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