car is overheating on 1997 Lincoln Continental

i just replaced the water pump, thermastat, and radiator and the car is still overheating. pleas help me! thank you

by in Phoenix, AZ on February 20, 2011
3 answers
ANSWER by on February 20, 2011
I guess the first most serious thing to eliminate is a blown head gasket. The most accurate way to test for a blown head gasket on a gasoline engine is to test for the presence of carbon monoxide in the cooling system. Snap-On, Matco (part # CO 2000), and Napa sell a tool to check to carry out this test. Another link to a supplier of this tool is Carbon Monoxide is only present if there is a blown head gasket or cracked cylinder head. I think the napa part number 700-1006. . Signs of a blown head gasket are coolant loss (frequently have to top up the coolant level of the engine without seeing an obvious leak), experiencing over heating or rough engine running or the presence of white sweet smelling steam from the exhaust. A badly blown head gasket may allow engine coolant and oil to mix.
ANSWER by on February 20, 2011
Think...cooling fan motors. They may not be turning on to cool the engine. I'm doubting a head gasket issue here; not a very common failure on this engine. Anything is possible, I suppose... Fan motors and their relays (CCRM...constant control relay module...) are common issues.
ANSWER by on February 21, 2011
I would first check operation of cooling fans and also check for possible plugged radiator
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