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2008 Pontiac G6 Running hot

Tiny
CHRISTYWARD79
  • MEMBER
  • 2008 PONTIAC G6
  • 3.5L
  • V6
  • FWD
  • AUTOMATIC
  • 188,000 MILES
Turned car off and it leaked coolant out so changed water pump and took thermostat out still runs hot what else is the problem
Thursday, October 1st, 2015 AT 9:22 PM

2 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Remove the radiator and get it core cleaned, and check for a head gasket fault
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Thursday, October 1st, 2015 AT 9:32 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Plugged radiator internally, radiator plugged with butterfly collection, thermostat missing so hot coolant doesn't stay in the radiator long enough to give up its heat, too much antifreeze and not enough water in the coolant, radiator fan not turning on, leaking cylinder head gasket, ...

It all depends on the degree of overheating, when it occurs, at what speeds it occurs, etc. You didn't include any clues or observations. Did this start happening suddenly?
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Thursday, October 1st, 2015 AT 9:54 PM

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