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Old 11-26-2014, 06:10 PM
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Lucas Lucas is offline
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Join Date: Sep 2014
Location: Santa Barbara, CA
Posts: 1,204
1970 220D in for the long haul

Alright my door has been sticky to open and and wouldn't lock. I'm not worried about anyone stealing it due to the faded paint, dents and holes. Although taking my wallet and phone everywhere gets old.

Yesterday the window wouldn't come up. So it was time to address the door.

I straightened out the twisted clip in the window track, cleaned the gears and door lock mechanism, and greased them with spray lithium grease.

All worked well except I couldn't lock it with the key.

This mechanism is the problem.

The center shaft wears as its a softer metal. When you turn the key it's supposed to slide the assembly down with the handle side fork turning and pressing the latch side fork down.

This will lock the door.



What ends up happening is the while the key turns there is a gap between that arm and the center peg due to wear. The arm pushes in slightly and the lock won't go down.


https://vimeo.com/112956480

What should be happening is the arm slides down onto the peg and locks the door. This happens no matter which side you lock from, but from the key side the pressure is pushing the lever in and it's hitting the peg, preventing it to go down.

Here's a video of the action. With it installed you can peak through the door while turning the key and see it happen.

https://vimeo.com/112957386

While its a great idea, the design doesn't allow you to lock the door from the inside and shut it, and with the key side worn you can't lock your door.

I'll add a hide a key and delete this feature. But first, test to make sure it will shut with it locked.

There's a small arm behind the outside opening lever that prevents this. Mine was bent which gave me the idea.



So we test.

Push the lever out of the way and lock the "door." Now roll the latch (two clicks) too shut the "door." Unlock the door both with the "key" and the inside button to make sure it will come up. Then open the door.

https://vimeo.com/112965017

Seems to work fine.

So I pushed that arm all the way back and then bent it out of the assembly for access with my air cut off tool.



Sliced it off partway down and bent it back in with some light taps of a chisel.

Tested again, install, and I can now lock my door and shut it.

Next is to immediately put a hide a key on.

I'm going to do the same to the passenger next time I'm in there. I hate when your buddy gets out and and you have to wait for them to shut it to lock the door.

Last edited by Lucas; 12-03-2014 at 12:47 AM.
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