Now in the last few days, my cars heating system, well, doesent heat. I'm assuming the engine temp gauge still works, it is reading barely off the peg. Temps here are in the mid 40's at 3:30 - 4:00 in the am. I have the '123' shop CD's but I cant make them work (for a few years now)

Will the thermostat staying open make that much difference?

Eventually, only a little bit of heat comes out of the ducts, but nowhere near enough. Defrost stays cold.

I dont imagine R&Ring thermostat is much hassle, , ,

-c-

('83 300CD turbo engine)

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