Question about Cars & Trucks
Posted by Anonymous on
Several points to consider
when is it running hot ---if at lights on in slow traffic then it may be the viscous fan hub has failed
have a compression test done to eliminate gasket problems
was the thermostat installed with the body facing the water in the head/block
are the fins on the radiator in good condition or are they flaking off
If the engine is running good generally forget the advice to change engine
after replacing the thermostat it is important to ensure that all air is removed from cooling system as that will make the engine run hot as well
Posted on Apr 15, 2015
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Posted on Jan 02, 2017
You could have several issues here. A blockage in the radiator, bad coolant temp sensor, (not turning the cooling fan on) a bad cooling fan motor. sounds as if maybe one of these may be your primary issue, and the cause of the overheating that originally caused your head gasket problem. Hope this helps
Posted on Aug 22, 2009
Testimonial: "thank you very much"
If you have white smoke from the tailpipe, coolant in the engine oil, engine oil in the cooling system, that indicates a head gasket failure. However, the most definitive way to test is to have a hydrocarbon test done on the cooling system (checks for exhaust gasses that obviously don't belong in there).
If the system comes up clean, you still can have either a leaking intake gasket, partially obstructed radiator (many times flush will go around obstructions not through them), a malfunctioning electric fan or fan relay, or even an obstruction in front of the a/c condenser or between the condenser and radiator (leaves, plastic bags etc) Don't forget though even if the cause is other than a gasket, if repeatedly or severely overheated the head gaskets can also fail. That is why complete testing is very important.
Posted on Jan 20, 2010
If it is the 4.0 engine there have always been bad to have a cracked head,right between the valves in one of the cylinders.
Posted on Aug 01, 2010
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