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2nd Gen Ram Tech1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
...I changed the thermostat twice now and it still over heats... the water pump and rad are new...
He said the radiator and water pump and thermostat was already replaced.
Although it's possible there was a faulty replacement for any/all of those parts it's a little unlikely.
So to compress everything down...
-Burp the system
-Test/Check Fan Clutch
-Replace Rad. Cap (should've bought a new one when rad was replaced)
-Check lower rad hose to see if it collapses (and that it isn't HOT)
-Make sure coolant has correct ratio
-Check for blown head gasket <--probably the least likely one
So i ran it on a hill and it started to run like crap, the upper rad hose is cold.. lower is hot
Whoa! It should be the opposite. You stated the water pump was new. Sounds like you have the wrong water-pump installed and it's running backwards (opposite flow of what these trucks flow).
