Question about 1994 Pontiac Grand Am
All the other door locks work, but the drivers side front door does not lock or unlock with the switch.
I CAN hear the noise in that door indicating that it's trying, so I'm guessing that the switch works, but the actual lock does not move.
I'm wondering if the rod is out of location with the switch or something? I've just replaced the power window motor so the door panel is currently still off. I would like to get the lock working right before replacing the panel. The problem is that I don't know how to do this. How does the rod hook up to the mechanism?
First, I'd recommend buying (or borrowing from the library) a Chilton or Haynes Manual to help finding the parts and how to access them. They'll save you a lot of time and headaches.
Then I'd try replacing the door lock motor. The motor itself should be just behind the inside door panel. Many times these motors, after years of wear and tear, break the teeth off the internal gears, causing a loud grinding/whirring noise but not allowing the doors to fully lock or even lock at all.
You can either buy a new motor from an auto parts store, but I've found that by checking with the local junk yard turns up some really good deals. Try to find a car that is the same make and model but maybe a newer year, bring the old motor with you, and make sure they look exactly the same down to the mounting holes.
I hope I could help you fix this issue. Good luck and don't forget to rate! Thank you!
Posted on Mar 01, 2009
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Posted on Jan 02, 2017
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