2004 Chevy Silverado Heater Fan Not Working

Also pay close attention to the wiring connector to check for melted wiring or poor terminal connections.

2004 chevy silverado heater fan not working.

This is a gm bulletin about your concern. The resistor is held in with 2 screws and comes out easy. This is on a 2004 chevy silverado work truck 1500. I was able to remove the blower fan assembly with no tools.

After cleaning the fan it runs very smooth and quiet. Check for melted connectors replace the connector if there is any damage. I read somewhere that it could be a resistor problem. Last winter the resistor died on my d e caravan darn mouse built a nest in it if you can believe that.

The heat in the silverado is supplied by the hot engine coolant running through the engine cooling channels. Remove the connector going to the resistor it will have 4 to 5 wires going to it. However as opposed to the silverado here i had no fan at. While there are a variety of reasons your chevrolet silverado 1500 heater is not working the most common 3 are a broken heater blower motor a problem with the thermostat or a failed heater blower motor resistor.

Average repair cost is 60 at 72 600 miles. The worst complaints are heater ac not working properly blower fan stopped working and temperature control. The 2004 chevrolet silverado has 8 problems reported for blower fan stopped working. There could be several reasons why it s not working properly.

Every time i turned on the air conditioning it made a loud deep noise and vibration due to the imbalance of debris inside the fan. You should inspect the blower control resistor in the bottom of the evaporator case near the blower motor. Car complaints car problems and defect. Most likely you will have voltage going to the resistor but no output on speeds 4 and 5.

Cleaning it made a huge difference. 31 of the time it s. Just bought my first silverado last november. Some of this coolant is diverted from the cooling system into a heater core.

A fan then blows on the core to blow warm into the air into the cabin. 2004 chevrolet silverado ac heater problems with 32 complaints from silverado owners.