What are common reasons my Pontiac Montana has heater problems?

What are common reasons my Pontiac Montana has heater problems?

What are common reasons my Pontiac Montana has heater problems? While there are a variety of reasons your Pontiac Montana 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 Pontiac Montana.

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.

What happens if the heater control valve fails?

When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold. Also, the valve could leak engine coolant, p…

What kind of car does Pontiac Montana have?

I have a 2005 Pontiac Montana (not SV6). This winter I have noticed more than previous winters….when you run the defroster you get air, but it never gets very warm. You can change the front to the floor and get lots of hot air, change the front to the A/C vents and get lots of hot air. There is hot air in the back for the passengers.

Where are the Bleed screws on a Route 66 Hot Rod?

The heater hoses have paths that are higher than the engine block and trap air. It is like a roller coaster ride for the coolant path to get to the front heater core and again to the back heater core! The bleed screws are located too lowto properly bleed the air out of the coolant! Unusual Design