Re: [Amc-list] Leaking thermostat housing

[Davis Martin <martin-davis@xxxxxxxxxxxxx>]

I would file the block gasket surface and the housing surface till it is even. Then use a small smear of RTV blue on all mating surfaces and bolt it all together. Wait 24 Hrs then you should be good to go. 
   Davis 

Bruce Griffis <bruce.griffis@xxxxxxxxx> wrote:
  Okay, I'm beating my head over the thermostat issues. I picked up a
new thermostat, gasket and radiator hoses. Then did different
iterations to work around a leak issue:

Popped self-adhesive gasket on coolant inlet on the block, popped
thermostat on top. Popped housing over that. Tightened. Leaked.

Put Permatex 2 neatly on the engine block side where the thermostat
goes. Put gasket on top. Popped thermostat on. Put Permatex 2 on
bottom of thermostat housing. Tightened and filled (and did not let
the gasket sealer cure - that could have been the issue). Leaked like
a sieve.

Did it again. This time taking a file to the thermostat housing trying
to make sure it was neat, clean and fairly level. Used Permatex 2. Let
it cure for 12 hours before putting coolant in. Got a pinhole leak
that was pretty awesome under pressue!

Talked with someone over the phone. Popped thermostat in the
thermostat housing. Held in tightly. Put self-adhesive gasket on the
thermostat housing. Popped housing on the block and tightened. Leaked.

So - time for new thermostat housing? (20 bucks used, not sure if it
would be any better than the one I've got) Or maybe let the Permatex 2
cure for 24 hours before adding coolant? Or put the t-stat housing in
a vise and file a little more?
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