Remove/install axle drive module of rear axle

AR08.10-P-0007EQ

Remove/install axle drive module of rear axle

03.12.2019

Model

293

1

Axle drive module

8

Electrical connectors

2

Coolant hoses

9

Bracket

3

Nuts

10

Bolts

4

Bracket

11

Cross strut

5

High-voltage lines

12

Plastic mount

6

High-voltage connection

13

Screw

7

Equipotential bonding line

 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

 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

 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 self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on coolant

AH20.00-N-2080-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

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

AH00.00-P-0020-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

 

Remove/install

1

Remove voltage of high-voltage on-board electrical system.

AR47.70-P-1000EQ

2

Raise vehicle and fix in place on vehicle lift.

AR00.60-P-1006A

3

Drain coolant of main circuit.

AR08.50-P-0023EQ

4

Remove rear underfloor paneling.

AR61.30-P-1001EQ

5

Seal coolant hoses (2) in a suitable place using a clamp.

 Clamp

*000589543700

6

Remove coolant hoses (2) from axle drive module (1) and collect escaping coolant in a suitable container.

AR08.50-P-0018-01EQ

7

Seal connections of coolant hoses (2) on axle drive module (1) with suitable stop plugs.

 Record plug

*129589009100

8

Remove nuts (3) and expose bracket (4) with high voltage lines (5).

9

Release high-voltage plug (6), disconnect, and seal connections with protective covers.

AR47.70-P-0005-01EQ

 Set of protective covers

*001589019100

10

Disconnect equipotential bonding line (7) from axle drive module (1).

 Screw, axle drive module equipotential bonding line

*BA08.10-P-1004-01J

11

Remove electrical connectors (8) from bracket (9).

12

Disconnect electrical connectors (8).

13

Remove screws (10) and remove cross strut (11).

 Bolt/nut, cross strut to rear axle carrier

*BA35.10-P-1004-01T

14

Remove rear axle shafts.

AR35.30-P-0620EQ

15

Remove plastic brackets (12).

 Long wedge

*115589035900

16

Support the axle drive module (1) on the four threaded couplings from below and secure it in place.



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

 The four threaded sleeves are located under the plastic brackets (12).

 Use a commercially available aggregate mount.

17

Unscrew screws (13).

 Installation: Replace screw/bolts.

 Screw, vibration damper to rear axle drive module

*BA08.10-P-1002-01J

18

Lower axle drive module (1).

 Aid of helper required.



Check

19

Check condition of vibration dampers of axle drive module (1).

If there is a problem,



Replace vibration dampers.

AR22.10-P-0014EQ

20

Install in the reverse order.

21

Read out and delete fault memory.



AD00.00-P-2000-06FR

 Electric motor

Number

Designation

Model 293 with engine 780

BA08.10-P-1002-01J

Screw, vibration damper to rear axle drive module

Stage 1

Nm

70

Stage 2

°

45

 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 carrier

Number

Designation

Model 293

BA35.10-P-1004-01T

Bolt/nut, cross strut to rear axle carrier

Stage 1

Nm

70

Stage 2

°

45