Operation CHARM: Car repair manuals for everyone.

Blower Motor Resistor: Service and Repair


WM 877819 Removing and installing blower regulator

Technical values





Preliminary work

Preliminary work for blower regulator

Remove glove compartment. -> 681519 Removing and installing glove compartment - section on "Removing" 681519 Removing and Installing Glove Compartment

Remove air guide C. -> 853419 Removing and installing air guide - section on "Removing" 85341900 Removing and installing air guide

Removing blower regulator





Installation position

1. Switch off ignition and remove ignition key.
2. Release electrical connector and unplug it from blower regulator.





Releasing electrical connector

3. Undo fastening screw.





Unscrewing fastening screw

4. Lift blower regulator and detach at the top side.

Installing blower regulator

1. Switch off ignition and remove ignition key.
2. Engage blower regulator and insert into the heating/air-conditioning unit.





Engage and screw down the blower regulator.

3. Secure the blower regulator with the fastening screw. => Tightening torque: 1.5 Nm (1.0 ftlb.)
4. Insert electrical connector into blower regulator until it clicks into place.





Inserting electric connector

Subsequent work

Subsequent work for blower regulator

Install air guide C. -> 853419 Removing and installing air guide - section on "Installing" 85341900 Removing and installing air guide

Install glove compartment. -> 681519 Removing and installing glove compartment - section on "Installing" 681519 Removing and Installing Glove Compartment