Why is my GMC Sonoma heater not working?

Why is my GMC Sonoma heater not working?

While there are a variety of reasons your GMC Sonoma 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. See what others are asking about their GMC Sonoma. Get answers from RepairPal’s community of auto experts and enthusiasts.

What to do if your Ford Fusion heater is not working?

When the blower motor resistor fails, the air conditioner and heater may still work, but air may blow from the vents at only some of the fan speed settings. If the resistor isn…

What happens when the blower fails on a Chevy Equinox?

When the blower motor fails, the air conditioner and heater may still work, and heat or cool may be felt at the vents, but the air pressure will be dramatically decreased. This Read More When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold.

Why does my Acura heater smell like engine coolant?

A failing heater core may cause the car’s interior to smell like engine coolant. The smell will become worse when the heater is turned on. The engine may also begin to run hotte…

While there are a variety of reasons your GMC Sonoma 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. See what others are asking about their GMC Sonoma. Get answers from RepairPal’s community of auto experts and enthusiasts.

When the blower motor resistor fails, the air conditioner and heater may still work, but air may blow from the vents at only some of the fan speed settings. If the resistor isn…

When the blower motor fails, the air conditioner and heater may still work, and heat or cool may be felt at the vents, but the air pressure will be dramatically decreased. This Read More When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold.

A failing heater core may cause the car’s interior to smell like engine coolant. The smell will become worse when the heater is turned on. The engine may also begin to run hotte…

Is there a problem with my Sonoma radiator?

If using Dex-Cool you have to use a flushing agent / kit to get all of the old crap out; if not you can run into the problems you’re having as well. You still may be having an air problem. You definitely have to have the heater on, blower on high, when your topping off or you can get air trapped in the system.

Are there any issues with my Sonoma 2000?

I’ve got some issues with my sonoma its a 2000 with 185,000 miles. its been in one crash (not my fault). had some body work and new chip (registers E-brake and ABS gauge). But now im getting overheating issues within the first couple minutes of driving. spikes to (260).