Hit a post in my 07 Grand Cherokee. Replaced
radiator, trans cooler, a/c condensing coil, t-stat,
radiator hoses. Electric fan comes on when up to
temp. No coolant leaks. Engine is still over heating.
3.7 ltr. Engine.
Do you have good water flow through the system and from the water pump? If so, the only other thing I can think of might be a head gasket.
did you bleed the air out of the cooling system?
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