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ghnat's Avatar
 
Join Date: Feb 2004
Location: Clarkston, GA USA
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Door lock issue

When I lock or unlock the door using the key, the other door is supposed to lock/unlock but it doesn't. This is the same for both driver and passenger doors.

Anyone know some tests I can perform to find what is wrong? I do plan to take the door panels off and see what is what.

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Greg Hnat
87 Targa Disassembled
90 944 S2 Auto-x, DE and semi-daily driver
98 Jeep Cherokee
Old 10-28-2009, 03:09 PM
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what happens when you use the central locking button in your central console?
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Grant
In the stable: 1938 Buick Special model 41, 1963 Solex 2200, 1973 Vespa Primavera 125, 1974 Vespa Rally 200, 1986 VW Vanagon Syncro Westfalia, 1989 VW Doka Tristar, 1995 Toyota Land Cruiser, 2011 Pursuit 315 OS, 2022 Tesla Y
Gone but not forgotten: 1973 VW Beetle, 1989 Porsche 944, 2008 R56 Mini Cooper S
Old 10-28-2009, 06:57 PM
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I can hear the actuators move. The LEDs light on and off, but the black stocks do not move up and down. Maybe too much friction?
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Greg Hnat
87 Targa Disassembled
90 944 S2 Auto-x, DE and semi-daily driver
98 Jeep Cherokee
Old 10-28-2009, 07:15 PM
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At least on my '88 either door lock opens both doors. Does your driver's door lock not open the passenger door? Does the passenger door lock open the drivers? What does the button on your console do (mine only works with both doors closed)?
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black 1988 Porsche 944 (30 years old and getting younger every day)
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Old 10-28-2009, 07:15 PM
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Buy a cheap door panel removal tool from your local auto parts store. Clean and relube all moving parts for the door locks. See if they operate good prior to replacing the door panels. May be a sticky switch, spray with electric parts cleaner and work switch several times.

Cheers,
Larry
Old 10-28-2009, 07:55 PM
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Most likely problem is that one of the doors has the plastic arm that actually opens/locks the lock has broken. It is very common.

As mentioned above, get a tool to remove the panels and you should quickly find the problem.

The arms are like $2 or less from the dealer.

Good luck, Keith
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Old 10-28-2009, 10:05 PM
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thanks for the tips. I'll try go look at them over the weekend. I have taken to door panels off before, but for other reasons.
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Greg Hnat
87 Targa Disassembled
90 944 S2 Auto-x, DE and semi-daily driver
98 Jeep Cherokee
Old 10-29-2009, 05:19 PM
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The factory manual has a really good section on diagnosing problems with the central locking system.
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Old 10-29-2009, 05:30 PM
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Well, I feel silly for posting. I took the doors apart and the actuators were not attached to the black stocks. I attached them and whammy, working....
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Greg Hnat
87 Targa Disassembled
90 944 S2 Auto-x, DE and semi-daily driver
98 Jeep Cherokee
Old 11-07-2009, 12:21 AM
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Quote:
Originally Posted by ghnat View Post
Well, I feel silly for posting. I took the doors apart and the actuators were not attached to the black stocks. I attached them and whammy, working....
Consider yourself lucky,,, you got yourself an easy one there. Most things on these rides aren't that easy.

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Old 11-07-2009, 03:05 AM
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