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Low coolant?
Defective thermostat?
Heat control cable not adjusted properly?
Heater core plugged or airbound?
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∙ 16y ago
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No heat Pontiac Montana?
Ask this question again. Is the question no blowing or blowing cold?
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My 2001 Chevy Blazer was blowing cold air when I had the heat on. My husband flushed the line to the heater core and a bunch of junk came out and now my heat works great. My 2001 Chevy Blazer was blowing cold air when I had the heat on. My husband flushed the line to the heater core and a bunch of junk came out and now my heat works great.
