Heater Fan Not Working In Truck

So it s advisable that you get the switch checked too.

Heater fan not working in truck.

Several things can potentially go wrong with automotive heaters because much like a home heating system there are many components working together to heat your car. By far the most common reason that avalanches and chevy trucks in general have that problem is the blower motor resistor. 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. That means a trickle out of your vents instead of the rush you asked for.

One of the most common problems with an automotive climate control system is a lack of blower pressure or no blower at all. Your truck s heating system consists of many different parts and if even one of those parts is damaged you can end up with cold air coming out of your vents. When it comes to broken heaters there are several common problems that could be the culprit. If not too hot to hold then you have to look at the actual engine temp and if that is up if it is then your looking at a restricted heater core.

Control switch truck is a 2000 sterling at9500 read more. 31 of the time it s. Why is my heater not working. Not enough coolant in the engine.

Check for blown fuses and replace them to restore normal functionality. A problem with the switch which turns the fan on or off might also be the source of the problem. When it does happen you re left with a miserably underpowered heat or ac system. We ve put together a quick explanation of each of these problems.

With the engine at full operating temp locate the 2 heater hoses where they go into the firewall and feel them to see if they are both hot to the touch. If one or more of these issues is present your vehicle may blow out cool air rather than heat. Problems with the heater core. As soon as i mentioned the heater problem jeremy already knew a clear and definitive course of action.

31 of the time it s. While there are a variety of reasons your gmc sierra 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. That is a direct quote from mr.