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73-87 Chevy _ GMC Trucks => Interior & Equipment => Power Windows & Door Locks => Topic started by: keg87 on January 07, 2012, 07:39:50 pm
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Recently, my driver's side window started only going up and down part way. I wait a while and then it will go up some more, has this happened to anyone.
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This has happened to me on both windows. I just took off the door panels and lubed the tracks and rollers at the bottom of the glass and sprayed all the pivot points with WD-40. This fixed the problem and the more often I work them the better they work. Hope this helps.
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1982 has the right answer to start, if that does not work, then you need to check the actual mechanism for binding or a bent spot.
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If you still have the problem after doing all the above, check the voltage and ground at the window motor while raising and lowering the window. You may have a window motor overheating from low voltage.