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Old 05-16-2020, 10:30 PM   #1
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Door lock failure

Hi all

On my list of future fixes for my base '97 is to have doorlocks that works as as they should.
Not dreaming of remote control. Just that I can open both doors when I unlock driver door.

What I have today.

Key in driver door:
- can unlock and lock driver door only.
- but only if passenger door allready is locked.

Key in passenger door:
- can lock and unlock both doors and fuel lid as well

So my logic says that something is wrong with driver door lock..
Any suggestions?

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Old 05-17-2020, 07:57 AM   #2
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You will probably need to replace the driver door latch. There is a sensor in the lock which is worn or the tab on the handle.
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Old 05-17-2020, 08:38 AM   #3
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You have a key lock in your passenger door?
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Old 05-17-2020, 08:55 AM   #4
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Most likely there is a failure within the door latch mechanism. Here's a video of how to remove/replace the latch. Note that the VW part number used in that video did not work correctly and would be wrong for a 1997 model anyway.



Here is a video that shows the repair of the internal parts of the latch. It is very likely that yours has a cracked solder joint and can be repaired by re-flowing the solder.



Another POSSIBILITY is that your car has the central locking system from an early UK model car (or ROW car if your car is the UK model). The passenger side door would be functioning as the driver's door. This is just a guess after reading a few things in the 1997 owner's manual:
Quote:
Central locking in cars with alarm systems "...Both car doors, the levers for unlocking front and rear hood, and filler cap can be centrally unlocked or locked with the remote control or by using the key at the driver's door."
It specifically says driver's door only, where on the cars without an alarm system it states that the key may be used in either door for that function.
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Old 05-17-2020, 10:43 AM   #5
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Thanks for all input.
I will study the videos. My car is an US car that is imported here to Norway. My car has key locks on both doors. Alarmsystem, if it has one, is unknown to me. I have no remote senders in my keys as I know. Could be that they are not originals. Remote is not important for me. Only that the keys work ok.
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Old 05-18-2020, 01:05 AM   #6
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Quote:
Originally Posted by 78F350 View Post
Another POSSIBILITY is that your car has the central locking system from an early UK model car (or ROW car if your car is the UK model). The passenger side door would be functioning as the driver's door. This is just a guess after reading a few things in the 1997 owner's manual:


It specifically says driver's door only, where on the cars without an alarm system it states that the key may be used in either door for that function.
This is an interesting input. I have gone trough the repair log from earlier owner and can see that he has paid for at least two CLS units before.. If the CLS in the car is from an car with right side steering wheel, it could explain the problem with my doors. The passenger door works perfect if my car had the steering wheel on that side.

In a perfect world, would it be an easy task for my Porsche shop to just program the CLS to change area. If not, I suppose I need tho change the whole system with keys and everything..

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