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Natrob
29th December 2015, 10:50 AM
Hi All,
Currently replacing the thermostat on my GQ TB42 petrol engine.

The engine has a spacer (best way to describe it) between the thermostat housing and block. The spacer has an inlet/outlet valve on it, allowing water to flow from/to the bottom radiator hose. Therefore to replace the thermostat i need to use 2 x Gaskets and now worried about the pressure that needs to be applied to hold the thermostat housing down. Will this always leak as i do not believe in using Gasket Goo.

The thermostat fits inside the housing with out the spacer so i was wondering what is with the spacer design? Is it common on the TB42 Petrol Engine.

Regards,
Natrob

threedogs
29th December 2015, 10:54 AM
When using any type of "gasket Goo" just a fine smear will probably do the trick.
I wasnt a fan when rebuilding motor bike motors as if used incorrectly you could
block an oil gallery, but your on the cooling side of things so I dont see a problem

growler2058
29th December 2015, 10:55 AM
Gday mate ive moved your post here to the general mechanical section as a lot of people dont read the intros