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Passenger door lock problem....help!!!!

Old Dec 23, 2006 | 09:46 AM
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Default Passenger door lock problem....help!!!!

My passenger door lock works when it wants to. Hitting the drivers side door lock/ unlock the passenger door only unlocks 10% of the time. It sounds like the lock is moving inside the door but not unlocking
Thanks for any help,Randy
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Old Dec 23, 2006 | 09:59 AM
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My driver side power door lock was ntermittent. Whether I used the fob or the door switch, I would sometimes hear the "click" of the relay in the module, but with repeated tries I would finally hear a "thump" as the solenoid popped the lock.

If that symptom matches your problem, it is most likely the door lock module. They are repairable (search C5 sections on "door lock module") or you can replace them.

The problem is the relays build up carbon on the contactors for the high current side and fail to complete the circuit to power the solenoid.

See this thread for more info http://forums.corvetteforum.com/show...327&forum_id=1

Good luck!

Last edited by chuck1026; Dec 23, 2006 at 10:05 AM.
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Old Dec 23, 2006 | 10:06 AM
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Originally Posted by chuck1026
My driver side power door lock was ntermittent. Whether I used the fob or the door switch, I would sometimes hear the "click" of the relay in the module, but with repeated tries I would finally hear a "thump" as the solenoid popped the lock.

If that symptom matches your problem, it is most likely the door lock module. They are repairable (search C5 sections on "door lock module") or you can replace them.

The problem is the relays build up carbon on the contactors for the high current side and fail to complete the circuit to power the solenoid.

Good luck!
Just replaced the offending relay in my passenger side module. A little complicated but doable. Thinking back on it I probably could have gotten by if I would have drilled a small hole in the relay's cover then sprayed contact cleaner in there.

There are 4 relays on the board---the two smaller ones are for the door lock. The inboard one was the bad one for me.
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Old Dec 23, 2006 | 10:19 AM
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Oh... here is the "how to" burried in the other thread mentioned above... http://www.ronjpics.com/Corvettestuff.htm#DCM
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Old Dec 23, 2006 | 10:39 AM
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more info

http://forums.corvetteforum.com/show...ule&forum_id=1
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Old Dec 23, 2006 | 10:53 AM
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You guys are great! Thanks for all the great info!



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Old Dec 23, 2006 | 03:00 PM
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Just did this a few days ago. Blew a fuse doing it and spent almost a week trying to figure out why the entire door wouldn't work. Replaced the fuse and everything is well.

Here are a few more links to review.


How to remove the door panel:
http://www.vetteessentials.com/instr...or_handle.html

Additional DIY instructions:
http://forums.corvetteforum.com/show...327&forum_id=1

My thread:
http://forums.corvetteforum.com/show...6&goto=newpost
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