Investigated Door Lock Actuator for Repair/Fix
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2008-2013 Cadillac CTS General Discussion Discussion, Investigated Door Lock Actuator for Repair/Fix in Cadillac CTS Second Generation Forum - 2008-2013; Hey, i'm pretty sure i'm gonna need the micro switch thing replaced on my passenger door. The outside handle doesn't ...
  1. #1
    dugunz is offline Cadillac Owners Fanatic
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    Passenger door handle repair... Part number?

    Hey, i'm pretty sure i'm gonna need the micro switch thing replaced on my passenger door. The outside handle doesn't work anymore. I can't find it anywhere online. Does anyone know a part number or a website that sells it?


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  3. #2
    tinman's Avatar
    tinman is online now Cadillac Owners Master
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    Re: Passenger door handle repair... Part number?

    Have you tried GM Parts Direct or Rock Auto?

  4. #3
    condork464 is offline Cadillac Owners Member
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    Investigated Door Lock Actuator for Repair/Fix

    Hello Everyone,

    (I'd like to start by saying that I am a professional helicopter mechanic and very capable of modifying items to work properly)

    I have decided to tackle the door lock actuator issue. Many people are wondering if they can simply repair their door lock actuators instead of buying a whole new assembly. The answer is....most likely, but it's just not worth it. I took my "weak" actuator out and went to town. There are two rivets/pins that sandwich the assembly together with two metals plates. (By the way: I'd love to show you some pictures, but my actuator is in pieces.) In addition, two lever assemblies are riveted as well. Anyhow, after grinding the rivet heads off i found it ridiculously difficult to pry the plates apart. When the plates did come apart, i thought to myself, "okay the hard part is over"....NOPE! There were about eight torx screws holding the assembly within a plastic housing. As soon as i opened the housing up i heard that awful noise of springs letting loose! Well, I continued anyways, bound and determined to prove that a repair could be done. Upon my inspection I found that everything looked perfect! So, what does that leave us? ...the inside of the electric motor. Yup, i took it apart too and found an absolute ton of black residue. The contacts were completely covered and it was no wonder the motor didn't stop working completely! I thought to myself that the "average joe" is not going to take apart this little motor and attempt to clean up these contacts. It's simply too easy to mess something up or loose a piece. So I searched for a replacement motor at easy to find locations like radio shack. Sorry, but this is not a common motor. Even if you did find the proper motor, you still have to think about putting the assembly back together which would consist of tapping into the rivet/pins because the rivet/pins have specific shoulders on them to hold components in place. Essentially, just go purchase the assembly from your local dealer. I picked mine up for $79 & change.

    For the disassemble refer to this youtube video which explains the important parts. Anything else can be easily figured out. (I believe in you!!!)

    http://www.youtube.com/watch?v=3mFNcsSXeWE

    I hope my curiosity has saved you lots of time and aggravation. Please heed my advice or you will be driving to the dealership with a "jerry rigged" door to prevent it from flopping around at stops. If you are dumb enough to proceed and fail, tie the inside door handles together for maximum effect and minimum damage.

    Thank you,

    Teddy Byrd III
    teebo, teebo, Sigma1 and 1 others like this.

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  6. #4
    somedaycts is offline Cadillac Owners Fanatic
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    Re: Investigated Door Lock Actuator for Repair/Fix

    You could have just asked me, I used to be a door latch engineer . Exploratory surgery is always fun though!

    To reiterate, most modern door latches are not designed to be taken apart. It is a key safety component for a vehicle, and the springs/rivets/etc do not allow for disassembly.
    Sigma1 likes this.

  7. #5
    condork464 is offline Cadillac Owners Member
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    Re: Investigated Door Lock Actuator for Repair/Fix

    Exploratory surgery is always fun. And it is even more fun when you accomplish something that few others have.

  8. #6
    HurstGN is offline Cadillac Owners Connoisseur
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    Re: Investigated Door Lock Actuator for Repair/Fix

    Quote Originally Posted by somedaycts View Post
    You could have just asked me, I used to be a door latch engineer .
    so it's all your fault. Gotcha.

  9. #7
    somedaycts is offline Cadillac Owners Fanatic
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    Re: Investigated Door Lock Actuator for Repair/Fix

    Quote Originally Posted by HurstGN View Post
    so it's all your fault. Gotcha.
    Yes! Except I worked for a "competitor", lol . Let's just say even after the "customer satisfaction campaign" to address freezing latches in certain 08-09 CTS's my driver's side latch still had to be replaced due to the actuator freezing up in colder temperatures.

  10. #8
    MoFex's Avatar
    MoFex is offline Cadillac Owners Connoisseur
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    Re: Investigated Door Lock Actuator for Repair/Fix

    Quote Originally Posted by somedaycts View Post
    Yes! Except I worked for a "competitor", lol . Let's just say even after the "customer satisfaction campaign" to address freezing latches in certain 08-09 CTS's my driver's side latch still had to be replaced due to the actuator freezing up in colder temperatures.
    For that problem there is an easy solution - move South!

  11. #9
    tinman's Avatar
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    Re: Investigated Door Lock Actuator for Repair/Fix

    Good thread, gave me a little laugh this morning!

  12. #10
    jhschlak is offline Cadillac Owners Fanatic
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    Re: Investigated Door Lock Actuator for Repair/Fix

    Hi everyone,
    Does anyone have a part number for the door lock assembly? Mine is the driver's side which just went bad on Sunday.
    Thanks!
    Jeff

  13. #11
    Cadillac Cust Svc's Avatar
    Cadillac Cust Svc is offline Cadillac Customer Service
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    Re: Investigated Door Lock Actuator for Repair/Fix

    Jhschlak, are you still seeking this information? I can check my resources for you; please email me anytime at Katie_Lucille@gmexpert.com with the last eight of your VIN and I'm happy to investigate.

    Katie
    Cadillac Customer Service

  14. #12
    Cadmasterflash is offline Cadillac Owners Member
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    Front doors will not open from the outside.

    I am trying to find some help with my 08 cts. I just bought it in January and the front doors open for a couple days when they decide to and then quit. Been the owner of quite a few cadillacs but none have been this new. searched through the forums and could not find the answer to my problem other than take it to the dealer,(I would rather park it behind the garage and let weeds grow up around it than let anybody else touch my car). Thought i would start with the left side door, it works from the inside and i already replaced the latch assembly. If i pull the rear plug in the door panel and plug it back in the door will open and close for about a minute and then quits again. I can open it with the key and from the inside. Any help would be greatly appreciated.

  15. #13
    storm77b is offline Cadillac Owners Member
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    Re: Front doors will not open from the outside.

    I had the same problem. The exterior door handle is electrical, not mechanical. Replace the switch which is activated by the exterior handle.

  16. #14
    Cadmasterflash is offline Cadillac Owners Member
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    Re: Front doors will not open from the outside.

    I tested the microswitches and they seem to be working fine, also the door works perfect for about a minute after i plug the harness back into the door panel. Then it just quits.

  17. #15
    Cadillac Cust Svc's Avatar
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    Re: Front doors will not open from the outside.

    Quote Originally Posted by Cadmasterflash View Post
    I am trying to find some help with my 08 cts. I just bought it in January and the front doors open for a couple days when they decide to and then quit. Been the owner of quite a few cadillacs but none have been this new. searched through the forums and could not find the answer to my problem other than take it to the dealer,(I would rather park it behind the garage and let weeds grow up around it than let anybody else touch my car). Thought i would start with the left side door, it works from the inside and i already replaced the latch assembly. If i pull the rear plug in the door panel and plug it back in the door will open and close for about a minute and then quits again. I can open it with the key and from the inside. Any help would be greatly appreciated.
    Cadmasterflash,

    I understand issues with your vehicle can be frustrating. Seeing how your vehicle is a GM car, it is the best idea to take it into the dealership. The dealership will be able to diagnose the issue with your car and help fix your problems. I am happy to help assist you in setting up an appointment with a nearby dealer. Let me know what you decide. Thank you!

    Sincerely,

    Laura M.
    Cadillac Customer Service

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