CAR Heater resistor

Passenger compartment fan speed regulator: common defects and their signs

  1. Mechanical damages
    • It is impossible to turn off the passenger compartment fan with the help of a regulator.
    • The fan operates only in minimal speed mode or at high speed only.
  2. Melting or corrosion of regulator contacts.
    • Speed regulator works with failures.
    • Rotation speed increases and decreases randomly.
    • Intensity of fan work doesn’t change at speed modes switching.
    • You need to apply force for regulator switching.

How to replace passenger compartment fan speed regulator?

The component is not subject to repair; in case of defects it should be replaced.

Complexity of component replacement on a car depends on the defect which caused its unserviceability and on the design of a fan control unit. Often in order to replace the passenger compartment fan speed regulator it is enough to demount the centre console cover, disconnect wires and fasteners from the regulator, remove the defective component and install a new one. In some cases demounting of the dashboard cover and the cabin air filter cover is performed. Then wires and regulator fasteners to the heater body are disconnected, the broken regulator is taken out and a new one is installed.

If you do not feel confident, then entrust component replacement to service station specialists.

Heater resistor Information

Heater resistor: Bestsellers

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