Remove/install front axle transverse control arm

AR33.20-S-1452SA

Remove/install front axle transverse control arm

01.12.2016

Model

636

Model

639

with code XZ1 (Model generation 1)

except code MA0 (E-CELL 60 kW)

except code ZG2 (Permanent all-wheel drive)

Modification notes

14.10.2016

Perform wheel alignment check, added

Operation step 9

Shown on left side of vehicle

1

Transverse control arm

2

Bolt

3

Bolts

 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



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

AH00.00-P-0020-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Remove bolt (2) and remove supporting ball joint from steering knuckle

 Bolt with nut, steering knuckle to transverse control arm

*BA33.10-N-1003-01A

2

Remove connecting strut for headlamp range adjustment level sensor from transverse control arm (1)

When removing the left transverse control arm (1).

3

Remove bolts (3) and remove transverse control arm (1)

 Bolt, transverse control arm to front subframe

*BA33.10-N-1005-01A

 Screw/bolt, transverse control arm to rear subframe

*BA33.10-N-1006-01A



Check

4

Check rivets on transverse control arm (1)

If loosely seated



Replace transverse control arm (1).

5

Check mounting of transverse control arm (1)

If wear or damage present



Replace transverse control arm (1).

6

Check supporting ball joint of transverse control arm (1)

If wear or damage present



Replace transverse control arm (1).

7

Check seal bellows of transverse control arm (1)

If wear or damage present



Replace transverse control arm (1).

8

Install in the reverse order

9

Perform wheel alignment check

When replacing transverse control arm (1).

AR40.20-S-0200S

 Front axle carrier

Number

Designation

Model 636, 639
with code XZ1 (Model generation 1)
except code MA0 (E-CELL 60 kW)
except code ZG2 (Permanent all-wheel drive)

BA33.10-N-1003-01A

Bolt with nut, steering knuckle to transverse control arm

Nm

162

 Front axle carrier

Number

Designation

Model 636, 639
with code XZ1 (Model generation 1)
except code MA0 (E-CELL 60 kW)
except code ZG2 (Permanent all-wheel drive)

BA33.10-N-1005-01A

Bolt, transverse control arm to front subframe

Stage 1

Nm

100

Stage 2

°

90

 Front axle carrier

Number

Designation

Model 636, 639
with code XZ1 (Model generation 1)
except code MA0 (E-CELL 60 kW)
except code ZG2 (Permanent all-wheel drive)

BA33.10-N-1006-01A

Screw/bolt, transverse control arm to rear subframe

Stage 1

Nm

172

Stage 2

°

90