car heater stop blowing hot air

1997 HONDA CIVIC
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CEGUIARTE215
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my car heater stop blowing hot air. It starts blowing hot air when the weather gets cold but once the weather gets warm its stop blowing hot air. I check all the hoses and the heater core.
Oct 14, 2012 at 1:09 PM
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HMAC300
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check your coolant level if it's low you'll getno heat. Also check if both hoses are about eh same temp when warmed up, if they are you have an actuator problem in heater box or broken cable that operates it.
Oct 14, 2012 at 1:23 PM
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CEGUIARTE215
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I check beig checking the level and hoses, both of them are warm would that cable be the control value
Oct 14, 2012 at 2:44 PM
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HMAC300
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check the two things that i have pointed out with red arrows for operation. both hoses houls behot not warm and themix may not be opening the door there. pic included. also check fuses
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Oct 14, 2012 at 3:12 PM