[TR] TR3 Thermostatic Fan Switch Probe Leaking

William Brewer billbrewer59 at yahoo.com
Tue Aug 9 21:21:17 MDT 2022


      So I have an electric fan in my TR3 and have a thermostatic switch 
probe in the top inlet to the radiator that leaks slowly while driving. 
I made a little saddle out of a piece of radiator hose that tapers off 
to a feather edge and has a hole drilled through it and then a slice 
down to the hole. I inserted the bourdon tube into the slot, taped that 
around the inlet and then tried to slide the top hose over it and 
tighten it up. The hose would push the little saddle out of position 
and  cause a leak. I attached a jpeg and hope that it comes through.

      Anyone else have these problems? Years again I asked Randall 
(remember him?) and he told me that he just put a switch on his dash and 
turned it on manually.

      The switch said that it could be mounted externally by just 
squeezing it on between the radiator tubes. Seems inaccurate and 
hazardous to the radiator for me. I was thinking of mounting it on the 
top backside of the radiator using some high temperature aluminum tape.

      TIA

      -Bill Brewer

      Morro Bay, CA
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