heater core{heat}

Asked by GuruLDP1D Mar 21, 2019 at 10:10 PM about the 2008 Pontiac Grand Prix Base

Question type: Maintenance & Repair

08 GRAND PRIXS 3.8 ON COLD DAYS. IT'S HARD FOR HEAT TO COME
INSIDE CAR. LINES FROM HEATER CORE,TOPS HOT,BOTTOMS COLD.
WHEN DAY WARMS UP. WE GOT ALL KINDS OF HEAT.

1 Answer
18,255

munron answered 5 years ago

Sounds like the coolant might be freezing preventing water from slowing through the core. Make sure you have adequate antifreeze in the cooling system.

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