my 98 grand prix over heats

1998 PONTIAC GRAND PRIX
158,882 MILES
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ROONEY627
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  • 8 POSTS
i have a 98 grand prix that over heats i've put 2 jugs of anti freeze in it and 2 jugs of water as well and it still has n luck, any ideas? i replaced the thermostat and radiator cap(because i lost the one that was on there)
Jul 17, 2012 at 10:24 AM
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ASEMASTER6371
  • Experienced Mechanic
  • 52,796 POSTS
get a pressure test to find the elak. there are way too many places for leaking and for us to guess. hope you did not blow a head gasket from the overheating

Roy
Jul 17, 2012 at 10:26 AM
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ROONEY627
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  • 8 POSTS
well, im not sure if its the head gasket because there isnt water or antifreeze in my oil.
Jul 17, 2012 at 10:31 AM
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ROONEY627
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  • 8 POSTS
could it be the heater core, the heater doesnt work in the car.
Jul 17, 2012 at 10:34 AM
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ASEMASTER6371
  • Experienced Mechanic
  • 52,796 POSTS
is there coolant on the floor in the car??

Roy
Jul 17, 2012 at 11:04 AM
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ROONEY627
  • MEMBER
  • 8 POSTS
No, it's bone dry
Jul 17, 2012 at 11:16 AM
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ASEMASTER6371
  • Experienced Mechanic
  • 52,796 POSTS
get a pressure test to start

Roy
Jul 17, 2012 at 11:52 AM
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ROONEY627
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ive put another jug of water into the system and its not leaking out but it's not staying cool. the thermostat i bought isn't opening up when its supposed to either, im thnking of just buying another thermostat and seeing where to go from there
Jul 17, 2012 at 4:10 PM
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