Mechanics

PONTIAC BONNEVILLE HEATER PROBLEM

1993 Pontiac Bonneville • 135,000 miles

Heater blowing cold air with good thermostat
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Guest
December 30, 2012.




Low coolant level, clogged heater core, blend door motor or blown head gasket from overheating

Roy

ASEMaster6371
Dec 30, 2012.


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