Question about 1999 Buick Century

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Rear door windows are not operating. The motor runs both sides, but the won't raise or lower. Also they won't stay up. I can see a loose cable coming from the bottom up. I have the door panel open.

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You must replace the windoe regulater.

Posted on Jul 29, 2010

Testimonial: "Thanks, I figured it out after I went out and looked at it again. I found the broken piece of plastic. I appreciate your help. "

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Disconnect motors from regulator. you will see destroyed plastic rollers, wich engages motor and regulator gears. clean it, fill it up with epoxy glue and enjoy money saving

Posted on Jul 30, 2010

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After market motor and reg. on ebay go for $40-$50

Posted on Sep 05, 2010

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Related Questions:

1 Answer

Driver side windows will not operate in the front or back. Passenger side windows do operate.


It sounds like you have a switch problem in your door panel.if you can raise the window in the rear with the switch but not from the front then suspect the switch in your drivers door panel. If neither window will open with the switch in either door panel, still check your drivers door panel switch.you may try running power to the motor by itself with a jumper wire from a known 12v lead from the battery if you can and see if the windows will raise and lower without using the switch.

Aug 17, 2011 | Saturn Ion Cars & Trucks

1 Answer

My right rear window will not operate from the drivers side nor the right rear door...my first notice of the problem was when I lowered it slightly and it would not raise..I lowered it a little more and it...


sounds like a wiring issue either loose,corroded, disconnected at drivers main control switch
we no the motor is ok if goes down, both switches going bad is unlikely..pull the switch & check
for 12v in both directions

Jun 27, 2011 | 2004 Ford Expedition

1 Answer

On a Cavalier 1991 driver side front window. Window will not stay on track. Window falls forward while lowering it. Something seem missing that should hold the window straight while raising and lowering...


The glass for your window sits on a metal bar on the window regulator assembly. The bar is raised by scissor like lifts run by a motor. If it falls forward the rear portion may have come off from the bar and the guides at the rear may have kept it from lower along with the side that is still attached. You will have to open the door panel to gain access to it. Inspect also the guide for dirt or it may need replacing, it could have caused the part of the window to come of.

Below is a sample of what the assembly would look like:

http://aq.ioffer.com/i/96-97-98-99-00-chevy-cavalier-window-motor-regulator-98879862

May 15, 2011 | Chevrolet Cavalier Cars & Trucks

1 Answer

Driver side back window won't stay up. Got wedges in it now to keep it from going down. I can hear the window motor running so must have a gear or some such thing broke. How do I get the door cover off?


You likely have a bad window regulator(fancy name for the electric motor and the cable mechinism that moves the window up and down.

I have had to replace both rear window requlators in my 2003 GMC Envoy, Terrible engineering on the window requlator. There is a nylon wheel on the electric motor, that nylon wheel winds up the cables to raise/lower the window. The edges of the nylon wheel (drum) wear out and the cable derails. Running the window motor just makes a "rats nest" out of the cables, you will likely have to replace the whole regulator. The inside door panel is held on by screws, in door handle and then clips around the perimeter of the pannel. After you remove the inside door panel there will be a paper panel siliconed to the door frame. You will have to be very careful removing it as it tears easily. I replaced my requlators several years ago. The left and right door went out within a couple of months of each other. At that time the only place you could get the rear doors was the dealer($200- $230) . The front doors had aftermarket available. I would assume with such a poor design, there are sure to be less expensive aftermarket parts(that are likely better) available.

If you are mechanicaly inclined, should be able to replace in about 1-2 hours.

Jan 18, 2011 | 2003 GMC Envoy

1 Answer

The driver's side rear window problems


You will need to replace the window regulator assembly. Both of the cables should be tight. When is loose its because it has broken in the regulator. The cable regulators are a poor design.

Dec 06, 2009 | 2000 Pontiac Grand Prix

1 Answer

Driver side rear window doesn't move (electric)


the regulator inside the door has either broken its cable or came loose have to remove door panel inner plastic sheet and look usually u have to replace regulator requiring drill ratchets and silicon about 2-3 hours for semi experienced mechanic can find step by step help in chiltons manual for car availible at most auto parts stores

Jul 07, 2009 | 2004 Pontiac Grand Prix

1 Answer

Removal of rear window


The bad news is when the cable comes loose it normally means some plastic retaining part has broken, so you will need a new or at least a replacement regulator (which is the cable mechanism that rolls the window up and down). This will bolt both to the door and to the window. I would leave the window in the door and just tape it up once you have it unbolted from the regulator.

Dec 02, 2008 | 2004 Chevrolet Malibu

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