Excessive Cooling
Grand Champion
Joined: Feb 2015
Posts: 7,435
Likes: 578
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.
Thread Starter
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Registered User
Joined: Mar 2018
Posts: 10
Likes: 0
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
Record Breaker
Joined: Apr 2010
Posts: 1,745
Likes: 50
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.