2004 Chevrolet Impala Q&A

2004 Chevrolet Impala Question: heater problems

how do you know if it is the heater blower or the heater blower resistor? -
Answer 1
Generally when the blower motor resistor fails, the blower fan will work on the highest setting and not the others. If the fan doesn't work at all, check for power and ground signals to the motor and go from there. -
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The heater will not blow hot air. What could be the problem?
The heater is blowing cold air we have water in the front floor.
When i go to turn on the heater it does not come on unless i hit under the heater controls or go back and fourth with the controls.