Thread: Replacing passenger door lock actuator

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  1. #1 Replacing passenger door lock actuator 
    It's Slow LS1GTP's Avatar
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    I have a 2 door GP and when I hit the switch or use the key fob to lock the doors, only the driver side will lock. The passenger side makes the sound you hear when you lock the doors, so it's trying to lock but getting stuck somewhere or the mechanism to lock the door is failing. If I manually flip it to lock, the door is locked just fine and will also unlock like normal.

    I've sprayed the rods with WD40 but that didn't change anything. What could the issue be? Do the lock mechanisms in the door actually go bad?

    This isn't a big deal but if it's something I can fix easily then I'd like to fix it.


    Edit: Pictures are below.
    Last edited by LS1GTP; 02-08-2013 at 07:39 PM.
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  2. #2 Re: Passenger door unlocks but will not lock with master switch 
    It's Slow LS1GTP's Avatar
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    Anyone?
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  3. #3 Re: Passenger door unlocks but will not lock with master switch 
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    Could be the door actuators/ lock motor or the knob that you push/ pull is binding on the door panel. I have replaced the lock motor in a fox stang with the same problems, but yet in a GP. My driver lock knob likes to bind on the door panel when I unlock it, not when I lock it though...so I have just dealt with it.
    Goldie 98 Topaz Gold GTP (retired)/ Shadow 06 GTO 6.0 Phantom Black Metallic- traded in. Now cruising a 2005 GMC Sierra 2500 HD 4x4 with the always fun 6.0L
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  4. #4 Re: Passenger door unlocks but will not lock with master switch 
    It's Slow LS1GTP's Avatar
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    Hmm I'm not sure which it could be, although it doesn't seem like anything is getting stuck on something else.
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  5. #5 Re: Passenger door unlocks but will not lock with master switch 
    Gun nut and III percenter TexasTanker19kilo20's Avatar
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    Then most likely a bad lock motor, if going by process of elimination.
    Goldie 98 Topaz Gold GTP (retired)/ Shadow 06 GTO 6.0 Phantom Black Metallic- traded in. Now cruising a 2005 GMC Sierra 2500 HD 4x4 with the always fun 6.0L
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  6. #6 Re: Passenger door unlocks but will not lock with master switch 
    It's Slow LS1GTP's Avatar
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    The doors also unlock by themselves when I open and close a door after washing the car. Kinda weird lol.

    So is it hard to replace the door lock motors?
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  7. #7 Re: Passenger door unlocks but will not lock with master switch 
    Killa Bee Scottydoggs's Avatar
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    they aren't to bad, you take the inside door skin off, and take the actuator off. its close to the key lock. if you cant see it work the lock, you'll feel it or see it moving. has a linkage bar from it to the lock. just be careful with any of them plastic rings you may have in the linkage. they get old and brittle, and break.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  8. #8 Re: Passenger door unlocks but will not lock with master switch 
    I live here. SlowNA06's Avatar
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    It takes all of 5 minutes to get the door panel off and check it out. Dive in homie!
    Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
    Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
    Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.
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  9. #9 Re: Passenger door unlocks but will not lock with master switch 
    It's Slow LS1GTP's Avatar
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    I know I know, it's just the fact that it's under freezing temps so it's not worth looking at right now lol. This really is the least of my worries as far as issues are concerned.
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  10. #10 Re: Passenger door unlocks but will not lock with master switch 
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    Well I FINALLY looked into this a little more, since it's one of the last little issues with the car.

    Here are pictures of the door lock actuator, how does it come out?









    Do I just take these 3 bolts out to get the actuator out? (in door jamb)

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  11. #11 Re: Replacing passenger door lock actuator 
    It's Slow LS1GTP's Avatar
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    Still curious.
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  12. #12 Re: Replacing passenger door lock actuator 
    Killa Bee Scottydoggs's Avatar
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    heres a list of ebay sales for this, looks like the lock its self comes out, and you change it all.

    97 03 PONT GRAND PRIX LEFT FRONT DOOR LOCK ACTUATOR | eBay

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  13. #13 Re: Replacing passenger door lock actuator 
    It's Slow LS1GTP's Avatar
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    Well they also sell these.

    New Dorman Door Lock Actuator Front or Rear Passenger Side Full Size 746 011 | eBay

    I should just pull mine out and find out how this^ comes apart from the latch assembly.
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  14. #14 Re: Replacing passenger door lock actuator 
    Killa Bee Scottydoggs's Avatar
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    either way it looks like those 3 screws on the outside by the door latch hold the whole lock plate in. after its out you should be able to work on it.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  15. #15 Re: Replacing passenger door lock actuator 
    It's Slow LS1GTP's Avatar
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    Yea I just wanted a second opinion, I'll dive into it soon.
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  16. #16 Re: Replacing passenger door lock actuator 
    Gun nut and III percenter TexasTanker19kilo20's Avatar
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    Glad you are tackling this, I have done this on other cars, never a GP though. Seeing how you do it will help me out cause my driver lock is getting slower by the day. So I will be following after you LOL.
    Goldie 98 Topaz Gold GTP (retired)/ Shadow 06 GTO 6.0 Phantom Black Metallic- traded in. Now cruising a 2005 GMC Sierra 2500 HD 4x4 with the always fun 6.0L
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  17. #17 Re: Replacing passenger door lock actuator 
    It's Slow LS1GTP's Avatar
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    Haha alright.
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