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Old 11-30-2004, 11:24 PM
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slow windows

Just bought an 81 Chevrolet thats just mint, don't have to touch anything on it. Im in love, but the windows go SOOOO slow, like i have to force them down while they're rolling down. they go up fine (why? it boggles me there should be more resistance going up than down) and i usually have to start the truck to get them going the whole way down. I also notice when i hit the power locks the interior light dims but they work fine although sometimes the passenger side sticks.

I would really like the windows to roll down faster, or maybe just not as freaking slow as they do. What can I do, apparentl;y the motors have been done on them, but they stilll go slow. The previous owner (a toyota mechanic, and a reputable one at that) said they just go slow when they are cold which soudns funny to me as they are just electric motors. Any help is appreciated

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Old 12-01-2004, 07:11 AM
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Re: slow windows

Quote:
Originally posted by redneckgmc
... said they just go slow when they are cold which soudns funny to me as they are just electric motors.
That is true but I believe the gear end of the motor is packed with quite a bit of grease - which could get stiff in the cold.

The first (and easiest) thing I would try is to take apart the switches. I'm not sure exactly how you get at them in the '81 but usually it's a matter of taking off the arm rests. Once inside, you'll want to take a small file or sandpaper to all the contact points. Then make sure everything is cleaned up before you button it back up. If that doesn't have any effect, then the next step would be to take the door panels of and remove the motors. Once the motors are removed you can test them with a direct jump from the hot lead off your fuse box. This should give you an indication of the condition of the motors.

Even though you just got the vehicle, it's probably a good time to invest in a good repair manual for it. The best manual is, of course, Chevy's own shop repair manual. Or you can get Chiltons etc. for a lot less but you'll also discover that the information is more generic and the wiring diagrams and such are not always that good.
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Old 12-01-2004, 07:21 AM
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windows

Besides what cboy said also, make sure and lube the tracks that the glass slides up & down also. If they are real dry they cause friction and it gets worse in winter.
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Old 12-01-2004, 09:20 AM
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First thing I do on a slow window issue is to use a white grease (spray) on the window regulator parts and on the vertical glass channels I like to use a silicone spray. If you use WD-40 on the glass channels it will smear on the glass and streak and it is very hard to keep the glass clean after it gets in the weatherstrips.
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Old 12-01-2004, 06:58 PM
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I have chilton and haynes manuals and they're still quite useless but i haev another 81 gmc so i am used to these trucks, just never had the luxury power options if i just pull the switches, shouldn't there be hot leads there. if i jump the leads (same as the switch closing) and it speeds up, then I'm looking at a bad switch i presume. will try that asap and get back
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Old 12-04-2004, 01:02 AM
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The older Haynes Chevy truck manuals (mine was printed in 1990) have much more in the way of wiring diagrams than the newer ones.
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