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Pontiac Grand Prix Power Window Repair Guide
A picture illustrated vehicle maintenance manual for replacing the power window motor & regulator in any GM W-Body style car.
 

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Step by step instructions for replacing the power window motor & regulator in a Pontiac Grand Prix.

 


The front driver's side window on my 2001 Pontiac Grand Prix GTP 4 door sedan just stopped working. I wasn't that surprised since GM (General Motors) cars are somewhat known for having problems with their power windows.

I purchased an inexpensive replacement motor and regulator combo online for $35.00. The aftermarket part is made in Taiwan while the stock OEM unit is "Hecho En Mexico".

Hopefully by reading my "how to", following the instructions, and looking at the pictures, you'll be able to swap out the motor and regulator quicker than I was able to. Plus you won't have to leave your car at the dealership and pay hundreds of dollars for "Genuine GM Parts" and a technician's labor time.
 


This guide should be most helpful for owners of 97-03 Pontiac Grand Prix sedans. I'm guessing that the 2 door Grand Prix coupes and other GM sedans probably have similar parts but I'm not sure.

Owners of the following General Motors W-Body cars should be able to use this power window motor & regulator replacement guide - the Buick Regal, Chevy Lumina, Oldsmobile Cutlass Supreme, Chevrolet Monte Carlo, Oldsmobile Intrigue, and the Chevy Impala.

The following is just meant to be a guide and I take no responsibility if anything happens to your car.

Good Luck!

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In these first two pictures you can see the driver's door with the window locked in the upright position and the two plastic covers that hide the Torx screws. Once you gently pry off the plastic covers with a flat head screwdriver, use a Torx T-27 screwdriver to remove the two screws. If your Torx T-27 screwdriver is not magnetic, expect the screws to fall down into the bodywork. You can get them later once the panel is off.

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In the picture on the left you can see the Torx screw that is hidden behind the plastic covers. Once you get those screws out, pry up the master window switch by lifting it up from the back end where there is a clip holding it in place. The top of the switch by the power mirror control is held in place by a plastic piece that is delicate and will break if you're not careful. Notice the green screwdriver prying up the back end of the switch.

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Remove all the connectors from the underside of the driver's master window switch by pushing on the tabs with a flat head screwdriver and gently rocking them out. Then you can pull off the door panel by exerting outward pressure on the door handle and pulling with your fingertips at the gaps that form around the panel. The panel is held in place by plastic clips. If you have never removed the panel before it might take you a few minutes to get a hang of it. The clips will look slightly messed up once they're out but you can always buy new ones at any auto parts store or just re-use them. Some of the clips may have remained on the car in the metal. Just wiggle them out with your fingers or a pair of needle nosed pliers.

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Once you have the door panel off, take out all the plastic plugs or clips that may have remained on the metal car door and put them back on the panel where they belong. Then you can move on to removing the plastic that covers the large access holes in the frame.

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The plastic is held in place by a tar like adhesive. Make sure you keep the majority of this glue in the correct spots on the metal and the plastic. If your particular GM W-Body car doesn't have this gross tar adhesive, count yourself lucky.
 

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