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Join Date: Jan 2009
Posts: 36
Sunroof motor question

Had a sunroof question. I recently bought a 1975 911 the sunroof did not operate. It was stuck in closed position and it did not close completely. The rear driver side did not completely go up. I had the car repainted and removed the sunroof. I disengaged the transmission to the cables. My question is when I press the sunroof button I hear faint click in the sunroof motor, nothing moves. Is this an indication that the motor is bad? How can i test if the motor is good or bad? How do I know if my cables are good or bad? The cables look to be dirty but still in one piece (see photos) Thanks

Old 08-07-2009, 10:48 PM
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Join Date: Oct 2005
Location: Capistrano Beach, Ca.
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You can test your motor by redoing something you've already done--disconnect the transmission from the cables. I assume you did that by removing the flexible shaft from the motor to the transmission housing through the zippered opening. If so, just do that again and isolate the motor. Press the button and see if the motor activates.

If your motor is good, I'd suggest that you next remove the cables (maybe even the rails if you feel ambitious) and clean and inspect them up close. Make sure the cables move freely along the rails by pushing/pulling by hand. Make sure the fitting at the rear of the sunroof panel, the one that flips up the back when the roof closes, moves freely. If you find you need to replace your cables, you will have to modify the new ones as the originals are NLA. It's not too difficult and there is a tech article on this site that explains it.
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Old 08-08-2009, 06:33 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)
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Join Date: Oct 2008
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Its possible that the connector between the motor and the transmission is bad, looks good but it is 35 years old. and slipping. I chased it for a long time in an 80SC
Bruce

Old 08-08-2009, 05:30 PM
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