Randall wrote:
>The opening in the fitting is not a pipe thread. However, if you remove the
>fitting from the water pump housing, the thread into the housing is. Cars
>without heaters do not have the fitting, just a 3/8" pipe plug in the
>housing.
The fitting is frozen in the water pump housing. I've been using PB Blaster
daily to try to free it. I have 3/8" and 1/2" NPT plugs standing by until the
day it decides to yield. It looks bigger than 3/8" but I can't see it well
enough to tell. I'm running the engine almost daily so the heating and cooling
may help too. I don't want to break anything in the water pump housing. That
repair would be no fun. It might lead to more advanced stages of shipwrights
disease.
Thanks,
Mark A. Evans
1966 TR4A IRS CTC63970 LO 'Tressy'
Acworth, Georgia - USA
mevans1@pigseye.kennesaw.edu
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