Thread: Leaking pump..
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Old 15th March, 2002, 11:20 AM
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Quote:
Originally posted by Kaitain
dimm- have you had any pump/fan failures that have caused your relief valve to open?
I had my radiator fan stop due to a loose wire once. My datalogger recorded a water temp of 59C before windows crashed and the load dropped to a point that the radiator could handle it passively.

I actually had to make my relief valve, as I couldn't find one that was suitable. It's just a 1/2" diameter ball bearing sitting in a seat with a rubber O-ring. The ball has a spring on one side calibrated with a SAE 3/16" fine thread bolt. I'm probably going to impove the design by adding a check valve and small catch tank with a submerged hose, that way when the system cools down it can suck the water in the catch tank back in to the coolant loop.
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