Why is my Buick LaSabre heater not working?

Why is my Buick LaSabre heater not working?

2003 buick lasabre heater blower motor not working, changed out the fan still no good, where is the blower motor relay – Answered by a verified Buick Mechanic We use cookies to give you the best possible experience on our website.

Is the blower motor on my 2003 Buick not working?

2003 buick lasabre heater blower… 2003 buick lasabre heater blower motor not working, changed out the fan still no good, where is the blower motor relay and fuse located Submitted:9 years ago. Category: Buick Show More Show Less

How does the blower motor on a Buick LaSabre work?

The blower motor speed control, battery positive voltage and ground circuits enable the control processor to operate. The HVAC control module provides a PWM signal to the control processor in order to command the blower motor speed. The processor supplies 12 volts to the blower motor through the blower motor voltage supply circuit.

Where is the control processor on a Buick LaSabre?

The control processor uses the blower motor ground as a low side control to adjust the blower motor speed. It is located in the blower motor air box When replacing be sure to see if this is Automatic Controls or Manual

Can you put antifreeze in a 2004 Buick LeSabre?

We are still working to obtain content for your car, however the video above is believed to have similar characteristics as your car. Adding engine coolant (also known as antifreeze) to your 2004 Buick LeSabre is pretty easy. Engine coolant circulates through your engine to keep it cool in the summer but won’t freeze in the winter.

What are common reasons my Buick LeSabre has heater problems?

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

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…