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05-15-2019, 10:26 AM | #1 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,316
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'51 Ford door lock mechanism
Since I got my '51 in '87, the passenger side door lock hasn't worked.; The key turns, but it won't unlock. The drivers side works fine. I decided I should finally fix this, so yesterday, I pulled the door panel and started on it. At first, I found that the square rod coming out of the lock itself was not in the square hole in the lock mechanism. I removed the lock itself and finally got the "square peg in the square hole". When I tried it, it still didn't work. I really can't see how the mechanism works, even though I have used mirrors and a flashlight to look inside the door. Does anyone have a diagram of how it all goes together, and perhaps how to fix it? I have to believe that there has to be an internal joint that fell apart somehow (raising and lowering the lock handle does lock and unlock the door). Will removing the latch mechanism give me access to the lock linkage?
Thanks for any help. |
05-15-2019, 11:07 AM | #2 |
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Join Date: May 2010
Location: East Hartford, Ct
Posts: 5,898
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Re: '51 Ford door lock mechanism
When the lock turns it moves a slide shaft up an down to engage.
Sounds like something is broken or has come apart.
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05-15-2019, 11:21 AM | #3 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
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Re: '51 Ford door lock mechanism
Thanks "51-Merc". Can you tell me which side of the car that is for and which side of the picture is "up"?
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05-15-2019, 01:27 PM | #4 | |
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Join Date: May 2010
Location: East Hartford, Ct
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Re: '51 Ford door lock mechanism
Quote:
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DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES |
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05-15-2019, 04:16 PM | #5 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
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Re: '51 Ford door lock mechanism
OK, I just got back from the shop working on this and here is what I've found. I have the linkages on both sides properly connected, so turning the key moves the mechanism. I have 4 lock mechanisms, 2 are the originals from the car, and two are reproductions. All four of the lock mechanisms will only turn 90 degrees counter clockwise. This works fine on the driver's side, as turning the key will unlock the door. They way they work means you cannot lock the drivers door with a key. On the passenger side, turning the key the requisite 90 degrees will lock the door, but it cannot be unlocked with the key. If the passenger side door lock would turn 90 degrees clockwise, it would unlock the door just fine. By the way, the lock mechanisms are "handed" (mirror images different for either side). Mine are mounted with the relief on the cover up.
So I have a couple of questions for guys with '60-'51 Fords. First, can you lock the doors with the key, or only unlock them? Second which way do you have to turn the key to unlock them on either side, clockwise or counter clockwise). It seems to me that I have a couple of defective passenger side lock mechanisms that turn the wrong way and lock the door, but not unlock it. I thought I knew about these cars, but I am in uncharted territory here. Any help will be appreciated. |
05-15-2019, 05:21 PM | #6 |
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Join Date: Aug 2017
Location: ohio
Posts: 986
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Re: '51 Ford door lock mechanism
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If these were late 60s, early 70s thru 90s door lock i could really help since i did most of the testing on them at Ford. Good luck, mike |
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