How to replace a window motor on a 1989 Cad Seville
The drivers side front door window motor will only lower the window 1/4 way then it just makes a clicking sound. I have removed the door panel and watched the 12 tooth gear as I try to lower the window. The gear stops moving when the clicking starts. So I assume that the problem is inside the motor assembly. There are ''pop-rivits'' holding on the mechanism. Do I drill them out? Do I have to remove the whole window lift mechanism to replace the motor? What is the best proceedure to replace the motor?
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Re: How to replace a window motor on a 1989 Cad Seville
Yeah, you can do this yourself. Drill out the rivets and unlpug the motor. Remove the motor and replace it with the neew one. Attach it with short fastners and nylon acorn nuts...pretty simple task. You don't have to remove anything else.
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Check the fuses and switches. Your owner's manual and fuse-box cover have fuse and switch diagrams. Look for the power window relay and power window motor labels. Tug out the fuse and check it for damage. Check the switches for deterioration or abnormalities. You can get a new fuse or switch at an auto parts store or super center and easily replace it.
Get out your tool box if you've eliminated fuses and switches as the cause of the problem. Now you have to remove the door panel to get a better look at your window's power source. For the driver's side and passenger-side doors, remove the door pad and inner moisture barrier. Use an upholstery-removal tool to help pry the panel off. The rear windows require that you remove the two center channel screws at the top of the door frame and two lower bolts in the bottom of the door. Check under the weather stripping if those bolts aren't evident.
Lower the window until the glass bolts are visible. Use the 10mm socket wrench to remove the bolts in the large and smaller access holes. Standing at an angle inside the door, tip the glass gently toward the outside of the door. Pull it out and set it in a secure place.
Inspect the Motor and Regulator
Access the regulator by removing the front channel and regulator mounting bolts. Older models have additional roller bolts.
Use a digital voltage meter to test regulator power before completely removing it. A reading of less than 12 means you have a wiring or switch problem. Recheck the fuses and switches. A reading of 12 means your wiring and switches are getting power to the motor, so the motor is inoperative for another reason.
Remove the motor and regulator. Wear protective gloves and keep your hands clear of the regulator gear spring. You can expect it to snap abruptly on removal.
Install New Power Window Motor and Regulator
Use oil to grease the roller guides and sliding surfaces of the regulator after removing all the parts. Confirm that the breather pipe is in position to keep water out of your new motor.
Advance the new regulator gear with your gloved hand. Use the collar and mounting bolt to secure the new motor in place. Replace the front door run channel.
Slide the window glass back into the door. Advance the regulator with the power window control in the door until the glass mounting bolt holes line up with the access holes. Replace the window mounting bolts.
Test for smooth operation of the window. The window should move up and down easily and form a tight seal when closed. Tighten or loosen window mounting bolts as needed.
Replace the liner and door panel. Dispose of the dead motor.
Most auto parts stores have them or can get them in within a day or so. Be sure to get the motor and track assembly to save your self hours at installation [yes, i said hours]. Then pop off the interior door panel, disconnect everything, reinstall and within an hour or so you are done. J.
Hi,.... If the switch will not lower any of the windows even the one on that door it is not the motor. If their is only one connector to the switch ( be sure that it is one, salot of times it's actully split in 2 but plugged in tight together making it look like it's only one. One for windows and one for doorlocks) If it is one then it is a bad switch. I hope this helped you out. MIKE-
the motor is located at the front of the door at bottom, on the sheet metal in front of the motor u will see three dimples/indentations in the door skin sheet metal covering the motor, drill them out with a 1/2" drill bit, use a 1/4" drive 8mm or 5/16" deep socket and a short extension and remove the three bolts that hold the motor into the regulator, then gently push back on ,motor, remove harness to motor and remove motor through access hole.
I have the same issue. their are two things that you can do. One is pricey the other is free. Pricey, you will have to replace you window motor. Around 250 - 300 dollars. Free, and this is what I do. Remove the panel from the door. remove the plastic from the door, on the lower left side of the door, closest to the hinge, you will see the electric motor. While holding the button for the windows in the down position, tap the bottom part of the motor with a hammer or other hard object. What this does is frees up the gearing in the motor, which is more than likely gunked up with filings from the brushes in the motor. I have done this and it has worked for both windows. Hope this helps
Section 01-11: Glass, Frames and Mechanisms
1997 Windstar Workshop Manual
REMOVAL AND INSTALLATION
Door Glass and Regulator, Power Windows
Removal WARNING: IF THE REGULATOR COUNTERBALANCE SPRING MUST BE REMOVED OR REPLACED FOR ANY REASON, MAKE SURE THAT THE REGULATOR ARMS ARE IN A FIXED POSITION PRIOR TO REMOVAL TO PREVENT POSSIBLE INJURY DURING C-SPRING UNWIND.
Remove front door trim panel (23942) and front door inside panel sound insulator (20394). Refer to Section 01-05 .
Remove inside door belt weatherstrip.
Remove front door window glass (21410) as described in this section.
Remove two nut and washer assemblies attaching the window regulator equalizer arm bracket (23230).
Remove four rivets retaining the front door window regulator base plate to door inner panel.
Remove front door window regulator (23200) and front door window channel bracket (23288) from vehicle.
Working on a bench, carefully bend tab flat to remove front door window regulator arm slides from front door window channel bracket.
NOTE: Use care not to break tab; if tab is cracked or broken, replace front door window channel bracket. Make sure rubber bumper is installed properly on new front door window channel bracket, if replacement is made.
Install new front door window regulator arm plastic guides into front door window channel bracket and bend tab back to 90 degrees.
Installation NOTE: The front door window channel bracket and window regulator electric drive (23394) are installed into the vehicle as one assembly. The front door window channel bracket may be disassembled from the window regulator electric drive as described in Door Glass and Regulator, Power Windows .
Install window regulator electric drive with preassembled front door window channel bracket into vehicle. Set the regulator base plate to door inner panel using base plate locator tab as a guide.
NOTE: Two 1/4-20 x 1 inch bolts and two 1/4-20 nut and washer assemblies may be used as alternates for glass retention. However, torque must not exceed 4-7 Nm (35-44 lb-in). Equivalent metric retainers may be used.
Install four rivets to retain front door window regulator to door inner panel.
Install window regulator equalizer arm bracket.
Lower front door window regulator arms to access holes in door inner panel. Install front door window glass as outlined.
Install inside door belt weatherstrip.
Adjust front door window glass to make sure it is properly aligned with glass run. Check window for smooth operation.
Install front door trim panel and front door inside panel sound insulator. Refer to Section 01-05 .
Door Glass and Regulator
Front Door Window Glass
Front Door Window Channel Bracket
Window Regulator Electric Drive
Window Regulator Equalizer Arm Bracket
Front Door Glass Run Latch Side Retainer
Nut and Washer
Front Door Window Regulator
Wire Connector (Part of 14630 Wire Assembly)
Tighten to 7-10 Nm (62-89 Lb-In)