Hi
Since I have had my car the drivers door closes hard. About half the time it has to be opened and slammed. The other three click shut.

I have had GM cars that have developed vertical play in them from worn plastic bushings. Tried shaking the open door up and down. I can not feel any looseness in it.

Surely someone here has a solution?

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85 Merc 300D - Unwinding 31 years of wear
86 VW TD
Mahindra Diesel
Iseki Diesel

In 2007 I didn't own a diesel.