C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

'85 Door Latch Mechanism

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Old Nov 19, 2007 | 11:53 PM
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Default '85 Door Latch Mechanism

I'm new here, so bear with me.
I've been (trying to....) restoring an '85 coupe, and I'm trying to work on the rods and clips (what a job that was) on the passenger door outside handle and latch mechanism, some may call it a door latch assembly, or a door lock fork, well whatever it is, the fork section of the mechanism is closed and I cannot get it to open to close the door. This fork wraps around the door striker when the door closes. Anyone have any ideas??
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Old Nov 20, 2007 | 08:15 AM
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Have you tried to return it to the open position while pulling on the inside or outside handle ??
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Old Nov 20, 2007 | 08:25 AM
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Originally Posted by AGENT 86
Have you tried to return it to the open position while pulling on the inside or outside handle ??
and a lot said in a few words!
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Old Nov 21, 2007 | 12:22 AM
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Yes, the fork portion won't rotate- tried both handles, locks, etc...won't budge
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Old Nov 21, 2007 | 12:30 AM
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You've got the door unlocked, and you're lifting the handle while trying to open the latch?
I recall the inner and outer handles use different linkage, so both coming undone sounds unlikely. Do you feel resistance when operating the door handles?

What agent86 was getting at is the latch must've clicked shut for some reason. Lifting either handle should free the latch, then when opening the door the door sill post physically pulls the latch open.

Last edited by CentralCoaster; Nov 21, 2007 at 12:32 AM.
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Old Nov 21, 2007 | 09:50 AM
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Were you able to resolve the door lock issue?
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Old Nov 22, 2007 | 12:42 AM
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Not yet, be going out of town for the Holiday, will resume trying to get the fork to rotate as you have suggested when I return; may end up removing all the handle linkages and unbolting the latch from the side of the door. The thing just won't move, even by pulling one of the handles and trying to pull the fork down with a screw driver.
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Old Nov 22, 2007 | 01:36 AM
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When you say "pull the fork down with a screwdriver", are you putting the screwdriver into the latch on the outside edge of the door, where the striker pin fits when the door closes? My door has done this, too, and by putting a screwdriver into this spot, applying pressure toward the cockpit (like the striker pin would), and lifting the outside handle, the forks should rotate to the open position. This presumes the door is un-locked!

Giggle time: My wife was searching for the hatch release button in the dark, and pushed on this door latch mechanism, and it snapped closed on the finger!! Luckily she wasn't hurt, but she had to drive home with one hand hanging onto the arm rest to keep the door closed!!
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Old Nov 23, 2007 | 10:23 AM
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I just did this by accident. Mine is a 92 so I don't know if it's the same but prolly is. This might be hard to describe. There is a small part above the fork that is holding it closed, nothing will release this except applying pressure to it with a small screwdriver then pulling the bottom of the fork down to it's original position. It's hard to see but if you look closely and wiggle the fork a bit you will see it. To visualize it easier, with it closed it looks like a circle, so the part I'm talking about would be at the 11 oclock position, a tiny square slot.

Last edited by mfi; Nov 23, 2007 at 10:33 AM.
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Old Nov 23, 2007 | 01:29 PM
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That's how I did it. It's easy once you know where to push with the screwdriver.
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Old Nov 24, 2007 | 12:09 PM
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Did it, thanks to all of you, I really appreciate the help on this, we're talking within 30 seconds of fixing this once I knew what was going on. Again, thanks, a great forum/resource.
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