On the subject of locks..

[1990LTD]

..All of my locks work fine but on my door you can't lock it from the inside...the lock moves back and forth with some effort, but won't stay in either the forward unlocked or back locked position - it will sound like it's locking (as in, there's the familiar 'clunk' when you lock it), but it's still open. If I lock it with the key from the outside it's golden.



Any ideas what the problem is?

[Nathan in MI]

You'll probably have to pull the door panel off to see what's going on inside. Once you can see the whole mechanism, the problem will likely make itself evident.

[1990LTD]

Gotcha. Thanks!

[trwp72]

The push rods are notorious for bending out of shape, so they will not push the lock mechanism all the way. They have two 30 angle bends in the rod, and they usually will bend even more over time... until the lock quits working, take the door panel off, you will probably see the problem, then just bend it back to the original position, which will lengthen the rod, which will make it work again.

Tom...