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Antifreeze is over boiling, I dont know where its going?

Tiny
C.EDDY
  • MEMBER
  • 1999 PONTIAC GRAND AM
  • 300,000 MILES
I have a 99 pontiac grand am with a 3400 v-6 engine? I think and it overheats and boils all of my antifreeze. And i'm think about replacing the water pump and thermostat, maybe the heater core, the hoses are good/replaced, but I am also going to replace the radiator. I do pour in a gallons of premixed dexcool antifreeze almost everyday now. I can't find where the leak is going when I just let it run i'm stumped what could it be!
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Saturday, April 14th, 2012 AT 2:11 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Have the cooling system pressure tested. You may have a leak that started the problem but at this point you have probably blown a head gasket from overheating it.
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Saturday, April 14th, 2012 AT 2:18 PM
Tiny
C.EDDY
  • MEMBER
  • 2 POSTS
And if that's not the problem, what is another suggestion?
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Saturday, April 14th, 2012 AT 2:48 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
There is no other option. Find your leak.
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Saturday, April 14th, 2012 AT 3:05 PM

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