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Discussion Starter · #1 ·
Good day,

A while ago my driver's door only locked intermittently. I tried my luck with using Q20 penetrating and lubricating oil and it seemed to work. The door lock is a closed unit and cost quite a lot to replace between 220 - 280 Euro. The last week when locking the car, I heard the passengers door started to have a delayed locking action. I opened today and sprayed Q20 on it as well.

Have a look at the youtube video as well as it assisted me quite a lot. Unfortunatly I could not catch his name at the beginning (and do not want to guess). Thanks for posting.

Here is the How to how I did it.

Kind regards.



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