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2008 Pontiac g6 onl...
 
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2008 Pontiac g6 only blows warm air when heater on. Help?

  

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Replaced heater core, coolant, thermostat, blend  door actuator(actuator turns when adjusting heat knob). Both hose to heater core are hot. Car does not overheat. What else can I look at?


2 Answers
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Check the coolant level. 


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Probably air in the system.  Park the vehicle facing uphill, turn the heat control to High and run the vehicle for a while.  Then, check your coolant level.  Sounds like you need to completely purge the air from the system.


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