Remove/install complete rear axle

AR35.10-P-0010LWX

Remove/install complete rear axle

09.03.2020

Model

253 (except 253.992/993)

Shown on model 253 with engine 651

1

Cover

12

Bracket

Shown on model 253 with engine 276.8

2

Screw

4

Bracket

3

Screw

5

Bolts

8

Screw

6

Stop plate

9

Rear axle

7

Screw

 Danger

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

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

AS00.00-Z-0010-01A

Topical note

Notes on handling, transport and storage of composite brake disks

AH42.10-P-9406-12LF

Topical note

Notes on handling, transport and storage of ceramic brake disks

AH42.10-P-9406-13A

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A

Notes on AIRmatic

Model 253 (except 253.992/993)
with code 489 (AIR BODY CONTROL)

AH32.22-P-1000-02LW

 

Remove/install

1

Perform power disconnect of high-voltage on-board electrical system.

Model 253.311/353/354/911/953/954

AR54.10-P-1150LVH

2

Shift transmission to position N or neutral.

3

Switch off ignition and store transmitter key outside of transmission range (min. 2  m).

4

Raise vehicle and fix in place on vehicle lift.

AR00.60-P-1006A

5

Remove rear wheels.

AR40.10-P-1102A

6

Release left and right underfloor paneling in area of stop plates (6).

Model 253 (except 253.992/993) with engine 177, 264, 274, 276, 642, 651

AR61.30-P-1001LW

7

Remove trim (1).

Model 253 with engine 642, 651, 654

8

Remove bracket (12).

Model 253 with engine 642, 651, 654

9

Remove rear muffler.

Model 253 (except 253.992/993)

Model 253 with engine 177

AR49.10-P-4952MNG

Model 253 with engine 274.9, 276.8, 642, 651.9

AR49.10-P-4952RF

10

Remove propeller shaft from rear axle differential, hang to one side and fix in place.

AR41.10-P-0050LWX

11

Remove brake caliper with connected brake hoses and hang to one side free of tension.

AR42.10-P-0080LW

12

Remove rear shock absorbers.

AR32.25-P-0110LW

13

Remove right and left screws (3).

 Bolt, rpm sensor to wheel carrier

*BA42.30-P-1001-02K

14

Remove right and left screws (2).

15

Remove brackets (4) at right and left with rpm sensors and electric lines, let them hang down at one side and fix in place.

16.1

Remove rear axle springs.

Model 253 (except 253.992/993)
except code 489 (AIR BODY CONTROL)

AR32.20-P-0230LW

16.2

Remove air suspension bellows.

Model 253 (except 253.992/993)
with code 489 (AIR BODY CONTROL)

Model 253.388/389/988/989
with code 489 (AIR BODY CONTROL)

AR32.22-P-1500LWX

Model 253 (except 253.388/389/988/989/992/993)
with code 489 (AIR BODY CONTROL)

AR32.22-P-1500LW

17

Unclip electric lines from holders for level sensors.

Model 253 (except 253.992/993)
with code 459 (DYNAMIC BODY CONTROL suspension with adjustment damping)
Model 253 (except 253.992/993)
with code 489 (AIR BODY CONTROL)

18

Disconnect electrical connectors from level sensors and hang electric lines to one side.

Model 253 (except 253.992/993)
with code 459 (DYNAMIC BODY CONTROL suspension with adjustment damping)
Model 253 (except 253.992/993)
with code 489 (AIR BODY CONTROL)

19

Remove screws (5) from stop plates (6).

 Bolt, stop plate to body

*BA35.10-P-1003-01H

20

Position lifting platform with mount on rear axle (9) and secure with tensioning strap.



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

21

Unscrew screws (7) of front elastomer bearings and remove stop plates (6).

 Do not use an impact wrench.

 Installation: Use compressed air to clean thread in frame floor assembly and check for correct seating of threaded inserts.

 Self-locking bolt securing front decoupling element of rear axle carrier to frame floor assembly

*BA35.10-P-1001-01H

22

Remove screws (8) of rear elastomer bearings.

 Do not use an impact wrench.

 Installation: Use compressed air to clean thread in frame floor assembly and check for correct seating of threaded inserts.

 Self-locking bolt securing rear decoupling element of rear axle carrier to frame floor assembly

*BA35.10-P-1002-01H

23

Lower rear axle (9) until the electrical connector of the electronic locking differential is accessible.

Model 253.388/389/988/989

24

Disconnect electrical connector of electronic locking differential.

Model 253.388/389/988/989

25

Lower rear axle (9).

 Installation: Check, whether cavity preservation was performed on the rear axle carrier.

If not,



perform cavity preservation.

AR35.10-P-0010-03A



000 588 01 72 00 Sealing and corrosion protection gun

WS97.00-N-0002B

Cavity preservation (free of solvents), 1 liter

*BR00.45-Z-1003-05A

26

Install in the reverse order.



Measure

27

Perform chassis alignment.

AR40.20-P-0200LW

 Rear axle carrier

Number

Designation

Model 253

BA35.10-P-1001-01H

Self-locking bolt securing front decoupling element of rear axle carrier to frame floor assembly

Stage 1

Nm

100

Stage 2: Loosen

°

180

Stage 3

Nm

100

Stage 4

°

90

 Rear axle carrier

Number

Designation

Model 253

BA35.10-P-1002-01H

Self-locking bolt securing rear decoupling element of rear axle carrier to frame floor assembly

Stage 1

Nm

100

Stage 2: Loosen

°

180

Stage 3

Nm

100

Stage 4

°

90

 Rear axle carrier

Number

Designation

Model 253

BA35.10-P-1003-01H

Bolt, stop plate to body

Nm

35

 Rear axle rpm sensor

Number

Designation

Model 253

BA42.30-P-1001-02K

Bolt, rpm sensor to wheel carrier

Nm

8

Repair materials

Number

Designation

Order number

BR00.45-Z-1003-05A

Cavity preservation (free of solvents), 1 liter

A 000 986 72 70 10