thermostat housing seal

cat_daddy · #1 (**permalink**) 02-13-2009, 07:17 PM

anybody know if the thermostat housing is supposed to have a gasket or seal on it?

The new thermostat i got for my truck has a seal that comes with it,is this the only seal there is for it?When i took the thermostat off tonight i noticed there was not a gasket on the thermostat housing......thanks for any help

***NCHornet*** · #2 (**permalink**) 02-14-2009, 03:08 AM

Yes there is a O ring for the thermostat housing but I wouldn't reuse the old housing. They usually won't seal the second time. They are made out of cheap stamped metal and a new one is $18 from Powerstrokeshop.com. If you are reusing the stock I would add some RTV to help it seal!! I also don't use the O ring that comes with the Water Pump, I found the one from Ford is a bit thicker and seals better.

NCH

cat_daddy · #3 (**permalink**) 02-14-2009, 05:56 AM

thanks nchornet,i'll do just that

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