Remove/install integral carrier

AR31.35-S-0001EA

Remove/install integral carrier

10.07.2020

Model

447 with engine 654.9

except code ZG2 (Permanent all-wheel drive)

Modification notes

01.07.2020

Method adapted

Operation step 11.1

01.07.2020

Method extended

Operation steps 16, 26

1

Screw

2

Heat shield

3

Right engine mount

4

Left engine mount

5

Screw

8

Universal joint

9

Steering gear

11

Screw

10

Frame-type integral support

12

Bolts

17

Electrical connectors

3

Right engine mount

4

Left engine mount

7

Stabilizer bar

9

Steering gear

10

Frame-type integral support

13

Crash boxes

18

Heat shield

 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

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

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

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

 

Remove/install

1

Move steering gear (9) to center position.

AR46.20-S-0500-01E

 Retainer device

*129589012100

2

Remove engine cover.

AR01.10-S-2405EA

3

Remove heat shield (2) over right engine mount (3).

 To do this, remove screw (1).

 Bolt, heat shield to bracket

*BA22.10-N-1004-01EA

4

Remove screws (5) from right engine mount (3) and from left engine mount (4).

 Bolt, engine mount to engine support

*BA22.10-N-1001-01EA

5

Mount engine support fixture and hook on engine.

AR22.10-S-1260-01EA

 Do not lift engine.

 Screw, front module carrier to bodyshell/holder

*BA62.30-N-1003-01C

 Clip remover

*452589016300

 Engine lifting device

*639589006100

 Support braces

*447589006300

6

Remove lower engine compartment lining.

AR61.20-S-1105E

7

Remove front bumper.

AR88.20-S-2000E

8

Disconnect electrical connector of alarm siren and place to one side.

Model 447 with engine 654.9 with code FY1 (Anti-Theft Protection Package)

9

Secure radiator package to prevent it from falling down.

 Commercially available devices/tools
Tensioning straps

10

Remove ball heads of tie rods from steering knuckles.

AR46.40-S-7242E

11.1

Remove both transverse control arms from steering knuckles.

If integral carrier (10) is not to be replaced.

AR33.20-S-1452E

11.2

Completely remove both transverse control arms.

Only when replacing integral carrier (10).

AR33.20-S-1452E

12

Remove both torsion bar linkages from stabilizer bar (7).

AR32.35-S-3328E

13

Remove stabilizer (7).

Only when replacing integral carrier (10).

AR32.35-S-2050E

14

Remove universal joint (8) from steering gear (9).

 To do so, remove screw/bolt (11).

 Installation: Moisten gearing of universal joint (8) with lubricant.

Lubricant

*BR00.45-Z-1032-06A

 Bolt, universal joint to steering gear

*BA46.20-N-1001-01O

15

Disconnect electrical connectors (17).

16.1

Disconnect electrical connector of front axle level sensor.

MODEL 447 with CODE LG2 (LED Intelligent Light System)

AR82.10-S-4083E

16.2

Disconnect electrical connectors of air suspension level sensors.

Model 447 with code CA4 (AIRMATIC)

AR32.22-S-0019E

17

Remove electrical wiring harness from integral carrier (10).

 Installation: Check cable ties for re-usability.

If not reusable,



replace cable ties concerned.

18

Release underfloor paneling at right and fold to one side.

Model 447 with code CU1 (aerodynamic underfloor paneling)

AR61.30-S-1001E

19

Remove front exhaust system.

AR49.10-S-7284EA

20

Support and secure integral carrier (10).



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

 Commercially available devices/tools
Tensioning straps

21

Remove screws (12).

 Bolt, integral carrier to longitudinal frame member

*BA22.10-N-1001-05A

22

Remove integral carrier (10).

 Aid of helper required.

23

Remove right engine mount (3).

Only when replacing integral carrier (10).

AR22.10-S-1102EA

24

Remove left engine mount (4).

Only when replacing integral carrier (10).

AR22.10-S-1101EA

25

Remove crash boxes (13).

Only when replacing integral carrier (10).

AR62.10-S-0001E

26.1

Remove front axle level sensor.

Only when replacing integral carrier (10).

MODEL 447 with CODE LG2 (LED Intelligent Light System)

AR82.10-S-4083E

26.2

Remove both air suspension level sensors.

Only when replacing integral carrier (10).

Model 447 with code CA4 (AIRMATIC)

AR32.22-S-0019E

27

Remove heat shield (18).

Only when replacing integral carrier (10).

 To do this, unscrew screw/bolts.

28

Remove steering gear (9).

Only when replacing integral carrier (10).

AR46.20-S-0500E

29

Install in the reverse order.

 Engine mounts, engine supports

Number

Designation

Engine 654.9 in model 447

BA22.10-N-1001-01EA

Bolt, engine mount to engine support

Nm

61

 Frame-type integral support

Number

Designation

Model 447, 448

BA22.10-N-1001-05A

Bolt, integral carrier to longitudinal frame member

M8

Nm

30

M14

Nm

172

 Engine mounts, engine supports

Number

Designation

Engine 654.9 in model 447

BA22.10-N-1004-01EA

Bolt, heat shield to bracket

Nm

8

 Steering gear

Number

Designation

Model 447 with engine 654.9

BA46.20-N-1001-01O

Bolt, universal joint to steering gear

Stage 1

Nm

15

Stage 2

°

180

 Cross member and front reinforcement

Number

Designation

Model 447, 448

BA62.30-N-1003-01C

Screw, front module carrier to bodyshell/holder

Nm

10

Repair materials

Number

Designation

Order number

BR00.45-Z-1032-06A

Lubricant

A 000 989 08 60