Remove/install spring control arm

AR35.20-P-0119V

Remove/install spring control arm

12.9.11

21.10.10

Value changed: Self-locking nut for fastening shock absorber to spring control arm

*BA32.25-P-1003-03A

 

Remove/install

 Danger!

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; shield off hazard area if necessary.
Inspect special tools for damage and proper operation (visual inspection).
Wear protective gloves.

AS00.00-Z-0001-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Springs; general background information.

AH32.20-P-9404-01A

 While working on the rear axle care must be taken to ensure that the surfaces of aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the of the parts will be reduced.

1

Remove left or right wheel

AP40.10-P-4050V

2

Secure vehicle on vehicle lift

AR00.60-P-0100T

3

Detach cover (2) from spring control arm (6)

4

Tension left or right rear spring (7)

Model 171

AR32.20-P-0200-01A

Model 172

AR32.20-P-0200-06CW

 Tensioning device

*202589023100

 Clamping plates

*211589036300

5

Detach shock absorber (6j) from spring control arm (6).



*BA32.25-P-1003-03A

6

Detach spring control arm (6) from rear axle carrier (8).

 Model 171

*BA35.20-P-1001-01A

 Model 172

*BA35.20-P-1001-01G

7

Remove rear spring (7)

8

Detach torsion bar link rod (3) from spring control arm (6)



*BA32.20-P-1002-04C

9

Detach spring control arm (6) from wheel carrier (1)

 Model 171

*BA35.20-P-1002-01A

 Model 172

*BA35.20-P-1002-01G

10

Check spring control arm rubber mount (6g) for signs of damage, replace if necessary.

 If the spring control arm rubber mount (6b) has to be replaced: 

Remove/install spring control arm rubber mount (6b)

AR35.20-P-0114-01V

 Press out/in tool

*129589014300

11

Install in the reverse order

 Installation: Only tighten bolts and nuts of the chassis components in the curb condition.

Number

Designation

Model 171

Model 172

BA32.25-P-1003-03A

Self-locking nut for attaching shock absorber to spring control arm

–

Stage 1

Nm

40

40

Stage 2

°

90

90

M10

Nm

-

-

Number

Designation

Model 171

BA35.20-P-1001-01A

Self-locking nut, spring control arm to rear axle carrier

Stage 1

Nm

50

Stage 2

°

45

BA35.20-P-1002-01A

Self-locking nut, spring control arm to wheel carrier.

Stage 1

Nm

120

Stage 2

°

-

Number

Designation

Model 172

BA35.20-P-1001-01G

Self-locking bolt, spring control arm to rear axle carrier

Stage 1

Nm

50

Stage 2

°

45

BA35.20-P-1002-01G

Self-locking bolt, spring control arm to wheel carrier

Stage 1

Nm

60

Stage 2

°

90

Number

Designation

Model 171

Model 172

BA32.20-P-1002-04C

Self-locking nut, linkage rod to track control arm

Nm

20

20