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1998 GMC Truck Repair Question


Topics covered: Gas, Thermostat, Coolant.
Mileage: No information provided.

Asked on March 21, 2010

Pushes water out of radiator with great forc

Engine Cooling problem
1998 GMC Truck 6 cyl Two Wheel Drive Automatic 129,00 miles

i believe it is a head gasket or cracked head i have changed thermostat and it continues to push out coolant even before thermostat opens, what i dont know is how to be sure and where to start diagnostics
Avatar Asked by jimprivett

Answer

Replied on March 21, 2010

well, pressure test the system, because you could have a clogged radiator, lower end , or upper end. so lets not rush to a cracked head or gasket.

Tiny Answered by legitimate007 (expert)
5,603 answers provided