1997 cadillac deville overheating?

mrfreddyfenkell

New member
The water is boiling constantly.
So far I have changed the water pump, thermostat, pressure cap, heater core and had the radiator checked (the results were good). I also tried to clean out the purge line but, I could not get into the part that goes into the motor. I would like to know what other test I should perform to determine what the problem is. Since it’s the summer I am testing with just water.
the engine is hot and the radiator is cold
 
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