Question about 1991 Yugo Cabrio

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Door lock problem

In terms of the power door locks and security system, everything works correctly EXCEPT ... just recently, a change: When I lock the vehicle using the remote, the light on the driver's side door release immediately starts to blink but the door locks do not drop for 20-25 seconds and the security system also does not engage for the same delayed period. Once the door locks drop, the vehicle is locked and alarmed and the usual chirp and light blink occur. I have three different remotes and they all behave the same so I have ruled out the remotes. When I lock the car using the key, the door locks drop immediately and the security system engages immediately (like you would expect and like it has always behaved when using the remote). I have a diag device to read the onboard computer and there are no failure codes displaying. It's basically usable but the delay is annoying because you are never quite confident it will lock and alarm unless you stand there and wait out the 20-25 second delay. In terms of unlocking the vehicle, the remote works immediately like it always has. Any suggestions for where to look for the problem?

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Even though it's a 2001, it's still an A3, so the locks are operated using a separate vacuum pump, and hard plastic lines. Check inside the drivers door hinge area. Remove that accordion thing over the wires. There's a vacuum coupling centrally located after you twist, and separate the lock on the harness connector, and separate the 2 parts. There is also, a little tiny "o"-ring that seals the vacuum passage. Replace it, and see if the wait is shorter. I highly recommend using a little Vaseline to aid in the insertion , and seal of the new o-ring. Good luck.

Posted on May 15, 2008

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Posted on Jan 02, 2017

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  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
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