I just replaced my Coolant Tank pressure relief cap. I put on a 16# cap. Cap made by Stant. $6 at Walmarts. It fit very well and went on Tighter than the old original cap came off. I think my old one was shot. Not sure never saw any coolant leak.

The old Cap said 120 on it. I guess this is 120 degrees C. Boiling pressure for 120C is about 15-16 pounds. So I think I'm ok.

Anybody else use Stants caps on these cars?

They fit nice plus it has the Trigger in the middle to release pressure which I like.

Did I do anything wrong that I may regret later? Figured I'd ask here.

TY

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1982 300SD