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Re: 91 9000 door locks Posted by Ari [Email] ![]() ![]() In Reply to: 91 9000 door locks, Richard Bruenger, Fri, 24 Oct 2003 10:40:12 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The door button and the door lock (lock cylinder) both do the same thing - they move a few levers around inside the door. In the locked position, a lever is moved out of the way, and the outside door handle button swings free. When unlocked, the door level engages a lever, and the latch is released.
The levers the button and door lock cylinder engage also ties to an electrical switch, and this is triggers the central locking system.
What isn't clear is if the driver's door lock unlocks and locks the driver's door. It appears from your post that the door lock cylinder doesn't actuate the central locking, but the inside button does.
Since the central locking works with the door lock button, that means the switch and central locking are good. Unfortunately, I've never seen a diagram for the levers - the best you can do is to look inside while turning the key to see what is moving, and what levers aren't quite hitting where they should.
If you can still lock and unlock the driver's door with the key, then the lever on the back of the lock cylinder is OK. Over time, there has been wear and just enough lost motion that it doesn't move the central locking switch enough to move. Look for lost motion/play, and usually a little bending with a pliers will fix things.
If the key doesn't lock/unlock the door, that's a different matter - that means the lever on the back of the lock cylinder isn't moving enough to release the latch mechanism, much less actuate the central locking switch. This lever is bolted to the back of the lock cylinder - if that bolt loosens up, you might get enough play that it won't work right. Or, the lever is bolted on tight, but again, just enough play in the rod and lever system is doing you in.
The best I can recommend is to peek in with a good flashlight, and use your mechanical sense to see what's wrong. It'll probably be just a little lost motion.
posted by 192.249....
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