Transmission Position Sensor/Switch: Service and Repair

Multifunction Transmission Range Switch (F125)

Special tools, testers and auxiliary items required

• Torque Wrench (5-50 Nm) (V.A.G 1331)

Removing

- Move the selector lever into the "N" position.

- Turn off the ignition.

- Remove the engine cover with air filter.

- Remove the battery and the battery tray, if necessary.

- Disconnect the cable - arrows 1 - and then remove it from the cable bracket - arrow 2 -.






• Do not use pliers because the tabs on the cable bracket could break off.

• Do not bend or kink the selector lever cable.

- Pry the cable - 1 - off the lever - 3 -, for example, using an open end wrench - 2 -.






- Disconnect the connector from the multifunction switch.

- Remove the nut - 1 -.






- Remove the spring washer - 2 - and the selector shaft lever - 3 - from the selector shaft - 4 -.

- Bend back the hooks on the lock washer - 2 - using a screwdriver.






- Replace the lock washer if a hook breaks off.

- Remove the nut - 1 -.

- Remove the bolts - 5 -.

- Remove the switch - 4 - and the washers - 2 and 3 - from the selector shaft - 6 -.

Installing

Installation is performed in the reverse order of removal while observing the following:

- Install the switch - 4 - to the selector shaft - 6 -.






- Install the bolts - 5 - hand tight.

- Bend back the hooks on the lock washer - 2 -.

- Install the washer - 3 - on the selector shaft - 6 -.

- Install the washer - 2 - with the hooks facing up and the long narrow guide into the long narrow depressions in the selector haft - 6 -

- Tighten the nut - 1 - to 7 Nm and secure it by bending the hook on the washer - 2 - upward

- Replace the lock washer if a hook breaks off.

- Install the selector shaft lever - 3 - to the selector shaft - 4 -.






- Move the selector shaft lever - 3 - into the "P" position. This means, push the selector lever - 3 - opposite the drive direction until it stops.

- Move the lever - 3 - into the "N" position. Push the lever - 3 - two position forward in the direction of travel.

- Adjust the multifunction transmission range switch. Refer to => [ Multifunction Transmission Range Switch (F125), Adjusting ] Adjustments.

- Install the spring washer - 2 - and the nut - 1 - onto the selector shaft - 4 -.

- Tighten the nut - 1 - to 13 Nm.

- Check the selector mechanism, function. Refer to => [ Selector Mechanism, Checking ] Testing and Inspection.

- Install the battery tray and battery if they were removed earlier.

- Install the engine cover with air filter.