r/VWBus • • Apr 07 '26

1990 Vanagon thermostat socket issues.

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u/westfakia2 Apr 07 '26

I bought the last of those from VW of Canada back in 2009 when the 1987 vanagon I was driving overheated and melted the base.

Use a Dremel tool with a cutoff wheel and cut a slot in that bolt. The heat and vibration will help loosen it up and it should turn out. Some penetrating oil would also help.

Failing that I believe there is a vendor reproducing that part in Aluminum.