ar4240p0820rt

Remove/install left or right rear axle speed sensor

Type ar · topic 42.40 · version 0100 · 2006-07-26

Applies to: MODELS 251

Where it sits

Function group 2 Chassis › 42 Brakes - hydraulic and mechanical systems › 42.40 Traction regulation (ASR) — Series 251

EinPAS 26 Active safety system › 26.20 Braking/traction control › 26.20.12 Sensor/switch/wiring harness — Series 251

AR42.40-P-0820RT

Remove/install left or right rear axle speed sensor

31.3.05

MODELS 251

Remove/install left or right rear axle speed sensor

P42.40-2020-11

1 Bracket

2 Electrical connector

3 Bolt

L6/3 Left rear rpm sensor

L6/4 right rear rpm sensor

Remove/Install

Information on preventing damage to electronic components due to electrostatic discharge

All models

AH54.00-P-0001-01A

1

Switch off ignition and remove the transmitter key from the EIS [EZS] control unit

On vehicles with Keyless Go, code 889: Press keyless go start/stop button repeatedly until ignition is switched off Remove transmitter key from vehicle and store it in a location beyond its transmission range (at least 2 m).

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

2

Raise vehicle with lifting platform

AR00.60-P-1000RT

3

Remove left rear wheel or right rear wheel

Remove/install wheels, rotate if necessary

AP40.10-P-4050RT

4

Remove screw (3)

Installation: Fit new bolt (3).

Notes on self-locking nuts and bolts

All models

AH00.00-N-0001-01A

*BA42.30-P-1001-02H

5

Pull the left rear rpm sensor (L6/3) or right rear rpm sensor (L6/4) out of the wheel carrier

6

Unclip line for left rear rpm sensor or line for right rear rpm sensor out of brackets (1)

Installation: Make sure that line for left rear rpm sensor or line for right rear rpm sensor is routed correctly.

7

Disconnect electric connector (2)

8

Install in the reverse order

9

Read out fault memory and erase

STAR DIAGNOSIS diagnosis system

*WH58.30-Z-1048-13A

Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

Rear axle rpm sensor

Number

Designation

Type 251

BA42.30-P-1001-02H

Self-locking bolt of rear axle rpm sensor to wheel carrier

Nm

8

Commercially available tools

Number

Designation

WH58.30-Z-1048-13A

STAR DIAGNOSIS diagnosis system, Compact Passenger Car

6511 1801 00

Referenced documents