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2002 Pontiac Aztek Question: Heater blows only cold air all of a sudden.

 

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Aztek-Mark, Duluth, GA, October 04, 2010, 06:00
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The heater worked fine last week, but now the air will not get hot. It blows strong but stays cold. What are the possible causes?

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  • Answer #1

    roundman72 December 06, 2010, 08:47
     Rookie

    plugged heater core, low coolant, stuck heater control, thermostat.

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