Remove/install anti-roll bar on rear axle

AR32.35-P-2210EQ

Remove/install anti-roll bar on rear axle

03.12.2019

Model

293

5

Rear axle carrier

6

Coolant hose

7

Coolant hose

8

Connecting point

9

Coolant hose

10

Axle drive module

10

Axle drive module

15

Electrical wiring harness

12

Potential equalization line

16

Screw

13

Electrical connectors

B22/7

Left rear level sensor

14

Electrical connector

B22/10

Right rear level sensor

1

Stabilizer bar

2

Elastomer bearing

3

Screw

4

Stabilizer bar linkage

5

Rear axle carrier

 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

 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

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

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

Topical note

Notes on coolant

AH20.00-N-2080-01A

Topical note

Notes on handling, transport and storage of composite brake disks

AH42.10-P-9406-12LF

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 level control

AH32.22-P-1001-02LWT

 

Remove/install

1

Raise vehicle and fix in place on vehicle lift.

AR00.60-P-1006A

2

Drain pressure of air suspension at rear axle using vehicle diagnosis system.



AD00.00-P-2000-06FR

3

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

4

Remove rear wheels.

AR40.10-P-1102A

5

Remove underfloor paneling.

AR61.30-P-1001EQ

6

Seal coolant hoses (6, 7, 9) with clamping devices.

 Clamp

*000589543700

7

Remove coolant hoses (7, 9) from axle drive module (10) and collect escaping coolant in a suitable container.

AR08.50-P-0018-01EQ

8

Disconnect coolant hose (6) at connection (8) and collect escaping coolant in a suitable container.

9

Seal connections of coolant hoses (6, 7, 9) using suitable stop plugs.

 Record plug

*129589009100

10

Expose coolant hoses (6, 7) at rear axle carrier (5).

11

Remove equipotential bonding line (12) from axle drive module (10).

 Screw, axle drive module equipotential bonding line

*BA08.10-P-1004-01J

12

Disconnect electrical connectors (13).

13

Disconnect electrical connectors (14) from rear level sensors (B22/7, B22/10) and unclip electrical wiring harnesses (15).

14

Support rear axle using an assembly mount and mounting plate.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

15

Remove bolts (16).

 Do not use an impact wrench.

 Installation: Clean thread in frame floor assembly using compressed air only, and check or correct seating of threaded inserts.

 Installation: Replace screws (16).

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

*BA35.10-P-1002-01T

16

Lower rear axle far enough until stabilizer (1) is accessible.

17

Detach torsion bar linkage (4) from stabilizer (1).

AR32.35-P-3329EQ

18

Unscrew screws (3) and remove stabilizer (1).

 Nut, stabilizer bar to rear axle carrier

*BA32.35-P-1002-03F

 Screwdriver bit

*119589001000



Check

19

Check elastomer bearings (2) of stabilizer (1) for damage or wear.

In the event of a problem,



Replace stabilizer bar (1).

20

Install in the reverse order.

21

Pour coolant into main circuit.

AR08.50-P-0023EQ



Measure

22

Perform chassis alignment.

AR40.20-P-0200LW

 Electric motor

Number

Designation

Model 293 with engine 780

BA08.10-P-1004-01J

Screw, axle drive module equipotential bonding line

Nm

16

 Rear axle stabilizer bar

Number

Designation

Model 293

BA32.35-P-1002-03F

Nut, stabilizer bar to rear axle carrier

Nm

80

 Rear axle carrier

Number

Designation

Model 293

BA35.10-P-1002-01T

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