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Gear Recognition Sensor






Gear Recognition Sensor

Removing

- Remove the rear bumper cover.

CAUTION!
There is a risk of injury. The pressure in the R tronic hydraulic system may be up to 50 bar.

Always reduce system pressure first before working on the R tronic hydraulic system. Refer to => [ Hydraulic System, R Tronic, Building System Pressure ] Procedures.

- Body Protectors, Installing. Refer to => [ Body Protectors, Installing ] Body Protectors, Installing.

- Remove the left - 1 - and right - 3 - engine compartment trim.





- Remove engine cover - 2 -.

- Remove the air filter housing.





- Remove the bolts - 1 - and the heat shield - arrow -.





- Disconnect the electrical connectors - 1 - on the Gear Recognition Sensor (G604).





- Remove the bolts - 2 - and the Gear Recognition Sensor (G604) - 2 -.

Installing

Tightening torque. Refer to => [ Shift Actuator, R Tronic Assembly Overview ] , => [ Heat Shield Over the R tronic Shift Actuator,
Tightening Specifications ] .

Replace O-ring.

If the Gear Recognition Sensor (G604) with gold contacts is being replaced by a sensor with gold contacts, then the cable set for the sensor must be replaced with the Adapter Wire Set (420 971 164). Refer to => [ Adapter Wire Sets, Gear Recognition Sensor 2 and Gear Recognition Sensor, Installing ] .





- Lubricate the O-ring - 2 - on the Gear Recognition Sensor (G604) lightly.





- Position the Gear Recognition Sensor (G604) - 1 - in the "9:00 position" on the R tronic shift actuator bolting eyelet - arrow A - as shown in the illustration.

The actuating pin - 3 - fits into the bracket on the Gear Recognition Sensor (G604).

- When pressing on the Gear Recognition Sensor (G604), make sure the O-ring is not crushed.

- Turn the Gear Recognition Sensor (G604) clockwise - arrow B - so the bolts can be installed.

When turning, the sensor spring force becomes noticeable.

- Install the bolts.

Further installation in reverse order, paying attention to the following:

- Install the air filter housing.

- Install the engine compartment trim.

- Install the rear bumper cover.

- Perform gear selector basic setting. Refer to => [ Gear Selector Basic Setting ] Testing and Inspection.