Why is my fan not working in my Pontiac Montana?

Why is my fan not working in my Pontiac Montana?

Whether the fan speed is in automatic or manual, the speeds are achieved by the use of a blower motor resister in close proximity to the blower motor. The most common problem is that the blower motor will not work or will work only on one speed.

Why is my air conditioner not working on my Montana?

While there are a variety of reasons your Pontiac Montana air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis?

Where is the fan resister on a Pontiac Montana?

The blower motor resister is right next to the blower motor, just to the left side and toward the rear. Pull the electrical connector off and turn on the ignition key. Turn on the fan for the blower motor. Check the connector for power on one of the terminals.

How does the heating system in a Pontiac Montana work?

In order to troubleshoot the heating system in a Pontiac Montana, it’s important to understand how the heating system works in this vehicle. The hot antifreeze is picked up at the water pump and travels through a hose to the heater core.

Whether the fan speed is in automatic or manual, the speeds are achieved by the use of a blower motor resister in close proximity to the blower motor. The most common problem is that the blower motor will not work or will work only on one speed.

How to troubleshoot the heating system in a Pontiac Montana?

Check the fuse and the relay first. They are located in the fuse block in the driver’s side compartment. Check the fuse for power and make sure it is good. If the fuse is good, check the relay by turning the ignition key and pulling the relay out of its socket. Check to make sure there is power to two of the terminals in the relay receptacle.

Where is the blower motor resister on a Pontiac Montana?

If the fuse and the relay are good, check the blower motor resister. Remove the bottom of the dash on the passenger side to gain access to the blower motor. The blower motor resister is right next to the blower motor, just to the left side and toward the rear. Pull the electrical connector off and turn on the ignition key.

Where does the antifreeze go in a Pontiac Montana?

The hot antifreeze is picked up at the water pump and travels through a hose to the heater core. The hot antifreeze travels through the heater core and out the other side and sent back to the thermostat by another hose. The heater blower and the heater core, along with the air conditioning evaporator, are all encased in a housing under the dash.

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Where is the blower motor on a Pontiac Montana?

Remove the bottom of the dash on the passenger side to gain access to the blower motor. The blower motor resister is right next to the blower motor, just to the left side and toward the rear. Pull the electrical connector off and turn on the ignition key. Turn on the fan for the blower motor. Check the connector for power on one of the terminals.

The blower motor resister is right next to the blower motor, just to the left side and toward the rear. Pull the electrical connector off and turn on the ignition key. Turn on the fan for the blower motor. Check the connector for power on one of the terminals.

Remove the bottom of the dash on the passenger side to gain access to the blower motor. The blower motor resister is right next to the blower motor, just to the left side and toward the rear. Pull the electrical connector off and turn on the ignition key. Turn on the fan for the blower motor. Check the connector for power on one of the terminals.

Check the fuse and the relay first. They are located in the fuse block in the driver’s side compartment. Check the fuse for power and make sure it is good. If the fuse is good, check the relay by turning the ignition key and pulling the relay out of its socket. Check to make sure there is power to two of the terminals in the relay receptacle.