Remove/install left or right rear axle speed sensor - AR42.40-P-0820A

MODEL 129, 140 as of 1.6.94, 170, 202 as of 1.6.94, 208, 210 with CODE (471) Acceleration slip regulation (ASR) with CODE (212) Electronic traction system (ETS)

MODEL 129, 140, 170, 202, 208, 210 with CODE (472) Electronic Stability Program (ESP)

MODEL 203, 209

Shown on model 202

Fig 1: Identifying Left Or Right Rear Axle Speed Sensor Remove/Install Components

Fig. item, etc.	Work instructions
a	Self-locking hexagon socket bolts, rear axle speed sensor	Installation: Replace bolts in order to prevent them from becoming loose.
		Model 129, 140, 170, 202, 208, 210,	*BA42.40-P-1002-01A
		Model 203, 209	*BA42.30-P-1001-02A
L6/3, L6/4	Left/right rear axle rpm sensor	Installation: Check rotor on wheel hub for damage. Pay attention to cleanliness of magnetic tip.
		Lightly grease bore in wheel carrier.	*BR00.45-Z-1001-06A

ACCELERATION SLIP REGULATION (ASR)

Number	Designation		Model 129	Model 140	Model 170	Model 202
BA42.40-P-1002-01A	Self-locking bolt, rear axle speed sensor	Nm	8	8	8	8

REAR AXLE RPM SENSOR

Number	Designation		Model 203	Model 209
BA42.30-P-1001-02A	Self-locking bolt of rear axle rpm sensor to wheel carrier	Nm	8	8

ACCELERATION SLIP REGULATION (ASR)

Number	Designation		Model 208	Model 210
BA42.40-P-1002-01A	Self-locking bolt, rear axle speed sensor	Nm	8	8

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1001-06A	Long-life grease	A 000 989 63 51