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#1 |
Registered User
Join Date: Dec 2007
Location: Minnesota
Posts: 18
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87' Suburban elec. window issue
Hey everyone,
I picked up an 87' 4X4 Suburban a couple months back and since I've owned it, the driver-side elec. window doesn not work at all. The motor sounds like its running inside the door however. Any quick ideas? Any help would be great. take care-J |
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#2 |
Registered User
Join Date: Mar 2006
Location: Kansas
Posts: 865
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Re: 87' Suburban elec. window issue
If the motor is running then it has probably been replaced by one with the light duty screws instead of rivets. Those screws will loosen if you don't use lock tight. open it up see if the motor is coming loose from the gearbox. If it is back the screws out a bit, lock tight and reinstall. The only other possibilities are broken belt, or striped gears. If the belt is broken any auto parts store should have it is the HELP section. If the gear box is bad hit a junk yard.
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#3 |
Registered User
Join Date: Dec 2007
Location: Minnesota
Posts: 18
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Re: 87' Suburban elec. window issue
Thanks for the reply. I have it all opened up, however, unlike my old 68 c10, I can get to the guts. it looks to be only one piece with some inlet holes that dont seem to do me much good. I'll take some photos. Am I just being fooled here? I miss the old trucks. Much easier to get to things.
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#4 |
Registered User
Join Date: Dec 2007
Location: Minnesota
Posts: 18
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Re: 87' Suburban elec. window issue
did my best to get some photos of the inside...pretty difficult. I'm thinking the belt needs a replacing maybe? when I push the window switch "up" it pulls and seals. when I go down, it runs with no pull. looks like the belt might be split up and stuck. how do I get to the belt?
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#5 |
Registered User
Join Date: Mar 2006
Location: Kansas
Posts: 865
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Re: 87' Suburban elec. window issue
I can't see very well from those pics but I don't think you have a belt. Your problem will most likely be in the motor / gear box or that grease I'm seeing in the pics if it is setup too solid. I would start off helping the window a little just to see if once it broke loose if it would work. If so the grease is the problem. If not I'm still thinking the motor to gearbox connection.
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#6 |
www.73-87chevytrucks.com
![]() Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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Re: 87' Suburban elec. window issue
There is no belt on these, it is a toothed gear just like the 67-72's. It has a tension spring in it and the motor turns the toothed section instead of the handle gear.
If it is running but not moving, what is turning. You can see how to replace the motor here: http://www.73-87.com/7387garage/interior/winmotor.htm
__________________
Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com |
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