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View Full Version : automatic door lock broken



dj_pizm
12-23-2010, 07:23 PM
1 of my doors won't lock/unlock when I hit the switch and can hear a rattling when u close the door. I took it to the dealer and it was : Door Lock Actuator

thathotrodlincn
12-23-2010, 07:42 PM
When you hit the lock;unlock switch, can u hear a whirring sound like a motor briefly running?

dj_pizm
12-23-2010, 07:56 PM
Yes...........

thathotrodlincn
12-23-2010, 08:03 PM
Had that problem on my car. Turns out that the POP rivet holding the bottom of the actuator to the door lock face was broken. Replaced the rivet with a 1/4-20 bolt and Nylock nut. End of problem. The POP rivet has a raised button head visible below the door lock when the door is open. Check the inoperative door against an operable door to see if the rivet is missing. Good luck. Contact me if I can help. Merry Christmas to you and yours.

fastblackmerc
12-23-2010, 08:12 PM
Had that problem on my car. Turns out that the POP rivet holding the bottom of the actuator to the door lock face was broken. Replaced the rivet with a 1/4-20 bolt and Nylock nut. End of problem. The POP rivet has a raised button head visible below the door lock when the door is open. Check the inoperative door against an operable door to see if the rivet is missing. Good luck. Contact me if I can help. Merry Christmas to you and yours.

I think he already got it fixed.............

dj_pizm
12-23-2010, 08:33 PM
I think he already got it fixed.............

Yeah I did but hope info can help someone

RoyLPita
12-24-2010, 06:17 AM
If it is a broken pop rivit, I can help and I am in South Florida.

dj_pizm
12-24-2010, 07:57 PM
If it is a broken pop rivit, I can help and I am in South Florida.

Can u fix my fog light, the bracket broke

fastblackmerc
12-24-2010, 08:05 PM
Can u fix my fog light, the bracket broke

Need to buy a new bracket.

dj_pizm
12-24-2010, 08:09 PM
Need to buy a new bracket.

I would of never figured that out. Thanks

MercNasty
12-24-2010, 08:36 PM
I had the same prob with my passenger side door lock, my mechanic fixed it for $20. Im curious as to how much the dealer charged to fix yours?

breeze
12-24-2010, 09:38 PM
if i shake my door it sounds like the rod is loose. hit the button u hear it wanting to lock/unlock but wont.

RoyLPita
12-25-2010, 11:43 AM
Need to buy a new bracket.

I had one of those break on my MM when I got it. It is a cheap piece to replace.

fastblackmerc
12-26-2010, 07:37 AM
if i shake my door it sounds like the rod is loose. hit the button u hear it wanting to lock/unlock but wont.

The rod is out of the clip or the clip is broken, Need to remove the door panel to see what it is.

dj_pizm
01-05-2011, 07:46 PM
I had the same prob with my passenger side door lock, my mechanic fixed it for $20. Im curious as to how much the dealer charged to fix yours?

Had to pay $100 deductible for my ext warranty, but they don't show part/labor cost on bill

wickedmerc
01-05-2011, 08:07 PM
I got 1 along the lines of this thread...my driver's door will unlock with the remote but will not lock :confused:.
Ideas what to look for, before I go get a Maintenance manual and tear the door apart?

dj_pizm
01-09-2011, 07:38 AM
I got 1 along the lines of this thread...my driver's door will unlock with the remote but will not lock :confused:.
Ideas what to look for, before I go get a Maintenance manual and tear the door apart?

Don't know if its same problem but they replaced my Door Lock Actuator

GetMeMyStogie
01-11-2011, 07:04 PM
I had this problem before, on my 94 MGM. It wasn't the pop rivet, though - it was the entire disk of sheetmetal which the rivet was affixed to!
The stresses of locking and unlocking the door over many years fatigued the metal, presumably a little bit at a time, until it was cracked all the way around the rivet head.