Does it look like this?


ROLLGUY's thread of his start to explore the use of a Sanden compressor.
I should have known better than to try to bring the GM R4 compressor back to life

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1983 123.133 California
- GreaseCar Veg System

Just read the linked thread's first post. He said: "with the exception of a bad Klima relay, so the compressor was hot-wired". Don't know how the compressor was hot wired, but if it was hotwired to be always on, that may have been cause of the compressor blowing up.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked