Grapejuice1998 Posted March 31, 2016 Share Posted March 31, 2016 Looks like my drivers side power window motor decided to retire today. I did a little trouble shooting and checking, so I know for sure the motor is getting power from the switch. My question is, are these readily available anywhere and/or is there someone who rebuilds them? I really want to get this fixed as quickly as possible though, as it's definitely windows down temperature here in Dallas right now. Thanks! Quote Link to comment Share on other sites More sharing options...
Rock Posted March 31, 2016 Share Posted March 31, 2016 you can get them remanufactured....they do have used ones on ebay but you take a chance with those. http://www.ebay.com/itm/64-72-for-GM-A-Body-Power-Window-Regulator-Electric-Lift-Motor-LH-/331622483761?fits=Year%3A1970%7CModel%3AMonte+Carlo&hash=item4d363d8731:g:i88AAOSwyQtVw5Cb&vxp=mtr Quote Link to comment Share on other sites More sharing options...
Mike Brichta Posted April 1, 2016 Share Posted April 1, 2016 I've had pretty good luck just taking the motors apart and cleaning them. I've found that the grease in the motors gets really thick over the years and I always replace it with new grease. It always helps to clean the brushes and armature also. You may also want to check that you are getting a full 12 volts at the motor. I've had a switch that had a corroded connection inside and was not supplying the full charge at the motor. Just some ideas. I have 4 cars with power windows (3 Montes and 1 El Camino) and I never had to purchase a new motor. Good luck!! Mike 2 Quote Link to comment Share on other sites More sharing options...
Rob Peters Posted April 1, 2016 Share Posted April 1, 2016 I've had pretty good luck just taking the motors apart and cleaning them. I've found that the grease in the motors gets really thick over the years and I always replace it with new grease. It always helps to clean the brushes and armature also. You may also want to check that you are getting a full 12 volts at the motor. I've had a switch that had a corroded connection inside and was not supplying the full charge at the motor. Just some ideas. I have 4 cars with power windows (3 Montes and 1 El Camino) and I never had to purchase a new motor. Good luck!! Mike Some very good suggestions there!!! rob Quote Link to comment Share on other sites More sharing options...
Mike Brichta Posted April 1, 2016 Share Posted April 1, 2016 Thanks Rob!! I always try to help (if I can) especially when I've been down a similar road myself. Why not pass the knowledge along? Quote Link to comment Share on other sites More sharing options...
MCfan Posted April 2, 2016 Share Posted April 2, 2016 Alan, I share Mike's skepticism that your power window motor is actually dead. When I first got my '70 SS, the factory power windows wouldn't operate unless the engine was revved way up, strongly suggesting that the motors were not getting adequate power. I removed and refurbished all the switches, greased the tracks and they've worked fine ever since. Note that I did not have to remove or rebuild any motors in that case. When I added factory power windows to my other '70, I knew I'd better refurbish everything before I installed it so I completely reworked the switches and all connectors. I also continuity checked the entire wiring harness end-to-end and removed the motors so I could clean and re-grease the gear boxes as Mike has also suggested. That system has worked fine ever since I installed it about four years ago. I made a photo journal on Photobucket of that project so it might give you some ideas if you are interested. You can find it at this link: Refurbishing Power Window Regulators and Switches 2 Quote Link to comment Share on other sites More sharing options...
Grapejuice1998 Posted April 6, 2016 Author Share Posted April 6, 2016 I ended up with a new motor from NAPA, but I plan to go back and open up the Delco to see if it just needs a good cleaning. Thanks you for the help. Quote Link to comment Share on other sites More sharing options...
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