Close

Buick Riviera Heater Is Not Working

Learn if it's a simple fix or time to seek out a trusted technician.

What are common reasons my Buick Riviera has heater problems?

While there are a variety of reasons your Buick Riviera 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.
31%
of the time it's
Heater Blower Motor
24%
of the time it's
Thermostat
18%
of the time it's
Heater Blower Motor Resistor

Get your Buick issue diagnosed by a professional

Find a high quality auto repair shop or dealer near you
x

Related Buick Riviera Questions

See what others are asking about their Buick Riviera. Get answers from RepairPal's community of auto experts and enthusiasts.
Had a friend remove the factory radio and tried to put in an after market radio in it, which had removed the dash in ...
Our 95 riv seems to have a mind of her own. a/c and heater jump around whenever they choose to. radio jumps all over ...

Related Buick Riviera Problems

Find the most common driver-reported problems that are to blame when a Buick Riviera has heater problems.
Vehicles with the optional crt dash may have the display fail. our technicians tell us that the crt unit will need to...

Buick Riviera Heater Is Not Working Repair Symptoms

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. Also, the valve could leak engine coolant, p...Read More
A failing heater core may cause a vehicle to smell of engine coolant inside the cabin. The majority of the smell will come from the vents while the heater is turned on, and from...Read More
A failing heater hose may cause the vehicle to smell of engine coolant under the hood. If coolant runs onto the heater core inlet or outlet, the cabin could begin to smell of co...Read More
A thermostat that is stuck open can cause the engine to run colder than normal and set the Check Engine Light. It may also cause poor fuel mileage and the heater to blow cool ai...Read More
When the blower motor resistor fails, the air conditioner and heater may still work, but heat or cool may blow from the vents on some of the fan speed settings. In some rare sit...Read More