It sounds like some moisture got into the lock mechanism and froze.
Passat door lock frozen.
Every car in the vw line has had an issue with door latch failures.
This is a part that i have replaced all across the brand.
Your actions might have pulled the rod to open the mechanism but with the mechanism frozen its probably stuck open so it won t release internally properly any more to close and lock the door.
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Passat b7 my door lock froze.
It could also be the mechanism itself has gone bad.
Today we look at how vw door latches fail this is an issue not just with the jetta as shown in the video.
You may also hear them called door lock modules.
94 passat vr present 97 golf jazz 07 gti 12 14 2010 02 02 am 4 another one of these seasonal door freezing threads once you get the door open let the car warm up for a good 10 minutes with the heat on to un freeze the latch or if you re in a hurry get a lighter store it in the car and hold it up to the latch which will un freeze in about a minute.
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Actuator replacement info https.
If it does fail i did replace mine so below is info on how to do it.
Extra step if your door won t open.
Before replacing your lock actuator for try this.
I used my water trick again and got into the car then drove 35 minutes in 20 degree weather to work.
Of course the car locked itself as soon as my speed exceeded a few mph and the water i just poured froze inside the.