Remove/install left front or right rpm sensor

AR42.30-S-0712S

Remove/install left front or right rpm sensor

26.11.2019

Model

636, 639

1

Fender liner

2

Screw

3

Steering knuckle

L6/1

Left front rpm sensor

L6/2

Right front rpm sensor

1

Fender liner

4

Cable tie

5

Bracket

X62/6

Rpm sensor and brake wear sensor connector, right front

X62/7

Rpm sensor and brake wear sensor connector, left front

 

Remove/install

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

Topical note

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

AH00.00-Z-0300-01A

General information on malfunctions in the brake system

AH42.30-N-2007-01A

1

Raise vehicle with vehicle lift

AR00.60-S-1000S

2

Turn steering to full left lock or full right lock

3

Unscrew nut (arrow)

4

Pull fender liner (1) outwards

5

Detach left front rpm sensor and brakepad wear connector (X62/7) or left front rpm sensor and brakepad wear connector (X62/6) in wheel arch

 The left front rpm sensor and brake wear connector (X62/7) and right front rpm sensor and brake wear connector (X62/6) are each secured with a wire hoop.

6

Disconnect left front rpm sensor and brake wear connector (X62/7) or left front rpm sensor and brake wear connector (X62/6)

7

Remove screw (2) and pull left front rpm sensor (L6/1) or right front rpm sensor (L6/2) out of steering knuckle (3)

 Installation: Apply light coating of grease to left front rpm sensor (L6/1) or right front rpm sensor (L6/2).

 Bolt, rpm sensor to steering knuckle

*BA42.30-N-1001-01A

Long-life grease

*BR00.45-Z-1001-06A

8

Remove cable tie (4) and unclip electric line of left front rpm sensor (L6/1) or right front rpm sensor (L6/2) from holders (5)

 Installation: Replace cable tie (4).

9

Remove left front rpm sensor (L6/1) or right front rpm sensor (L6/2)

 Check electric line for fracture or chafe marks, replace left front rpm sensor (L6/1) or right front rpm sensor (L6/2) if necessary.

10

Install in the reverse order

 Front axle rpm sensor

Number

Designation

Model 636, 639

BA42.30-N-1001-01A

Bolt, rpm sensor to steering knuckle

Nm

8

Repair materials

Number

Designation

Order number

BR00.45-Z-1001-06A

Long-life grease

A 000 989 63 51 11