1998 GMC Truck pushes water out of radiator with great forc

1998 GMC TRUCK
12,900 MILES • 6 CYL • 2WD • AUTOMATIC
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JIMPRIVETT
  • MEMBER
  • 1 POST
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
Mar 21, 2010 at 11:50 AM
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LEGITIMATE007
  • ✓ASE Certified Mechanic
  • 5,121 POSTS
  • ASE Certified Mechanic
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.
Mar 21, 2010 at 2:06 PM
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