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Make sure when you put in the t stat the gasket overlaps it(around the outer rim). If not it will allow the coolant to bypass the t stat. There are a few of these posts in the second gen ram section with the exact same problem.
Thanks. Yes I put the thermostat in first then put the gasket on top of it. I ordered a new fan clutch and when I get it I will see if that helps the issue.
I replaced the fan clutch and put a little bit of sealant on the bottom of the thermostat and the temperature is still at about 160. I Noticed that the hose from water pump to the radiator is cold seems weird. A blocked radiator usually causes overheating on underheating
sealant on the bottom of the thermostat... huh? you don't put sealant onto the thermostat. It sits in a machined groove in the intake, the gasket and the water outlet (thermostat housing) go on top of it. That sealant could be binding the thermostat not allowing it to close.
03-13-2018, 08:34 PM
