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Hi Rusty, I don’t think
coolant level switch should be on your water pump. If the coolant level drops
there, it is too late. The pump will cavitate very very soon. (assuming is the
stock pump). I would install it in the expansion tank or overflow tank. When the
coolant drops there you will have more of a chance to head back before the pump
gets exposed.
Hi Buly,
All correct of course. The hole I have
available is in the upper part of the wp housing, well above
the pump level. It's similar to the location where Mazda put it
in the FD. I do agree that it will be better in a separate tank, but I'm
trying to avoid yet another rev-4 complication if
possible.
The level switches that I've found won't come close to
fitting in the housing anyway, so a custom (because nothing I've found will fit)
aluminum expansion tank may be the only option.
Cheers,
Rusty (hanger doors closed for
security)
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