Remove/install rear axle spring

AR32.20-D-0232TSS

Remove/install rear axle spring

28.02.2020

Model

907

with code CB2 (Comfort air suspension)

Modification notes

21.02.2020

Method extended.

Operation steps 3, 4.2

Shown on left side of vehicle without code IT5 (5.0 tons)

1

Rear axle spring

4

Spring U-bolt

7

Screw

2

Retaining plate

5

Nuts

8

Nut

3

Ball head rod

6

Spring plate

9

Center bolt

Shown on left side of vehicle with code IT5 (5.0 tons)

10

Bracket

11

Bolts

12

Bracket

13

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

 Warning

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

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

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

Topical note

Notes on air suspension

AH32.22-N-1000-01H

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Remove respective air suspension bellows.

AR32.22-D-2016TSR

2

Support rear axle in center.



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

3

Remove holder (10) of shock absorber from rear axle spring (1).

Model 907
with code CB2 (Comfort air suspension)
with code IT5 (5.0 tonner)

 To do this, remove screw/bolts (11).

 Screw, shock absorber holder to rear axle spring

*BA32.25-N-1003-03TS

4.1

Remove control arm.

Model 907
with code CB2 (Comfort air suspension)
except code IT5 (5.0 tonner)
If the left rear axle spring (1) is removed.

AR35.15-D-0204TSR

4.2

Remove holder (12) of control arm from left rear axle spring (1).

Model 907
with code CB2 (Comfort air suspension)
with code IT5 (5.0 tonner)
If the left rear axle spring (1) is removed.

 To do so, remove screws (13) and counterhold nuts.

 Screw, control arm holder to rear axle spring

*BA35.15-N-1003-03TS

5

Remove ball head rod (3) from retaining plate (2).

 Installation: The ball head rod (3) must engage audibly in the ball head of the retaining plate (2).

6

Remove nuts (5) from spring U-bolts (4).

 Installation: Position nuts (5) uniformly and tighten crosswise.

 Nut, spring U-bolt for rear axle spring to rear axle

*BA32.20-N-1007-03A

7

Remove spring U-bolts (4), spring plate (6) and retaining plate (2) from rear axle spring (1).

 Installation: Clean contact surfaces. Observe installation position of retaining plate (2).

Loctite 7200

*BR00.45-Z-1038-04A

8

Counterhold nut (8) and remove screw (7).

 Installation: Only tighten screw (7) if the vehicle is completely lowered.

 Bolt, rear axle spring to spring bracket at front

*BA32.20-N-1002-03A

9

Remove rear axle spring (1) towards rear.

 Installation: The center bolt (9) of the rear axle spring (1) must engage in the bore of the rear axle.

10

Install in the reverse order.

Adjust/calibrate

11

Calibrating driving level.

AR32.22-D-9000TSR



Check

12

Perform chassis alignment.

AR40.20-D-0200TS

 Rear-axle steel suspension

Number

Designation

Model 907
with code CB2 (Comfort air suspension)

BA32.20-N-1002-03A

Bolt, rear axle spring to spring bracket at front

M12x1.5

Stage 1

Nm

-

Stage 2

°

-

M14x1.5

Nm

-

M16x1.5

Nm

245

M18x1.5

Nm

-

 Rear-axle steel suspension

Number

Designation

Model 907
with code CB2 (Comfort air suspension)

BA32.20-N-1007-03A

Nut, spring U-bolt for rear axle spring to rear axle

Stage 1

Nm

180

Stage 2

°

180

 Rear axle shock absorber

Number

Designation

Model 907
with code CB2 (Comfort air suspension)
with code IT5 (5.0 tonner)

BA32.25-N-1003-03TS

Screw, shock absorber holder to rear axle spring

Stage 1

Nm

168

Stage 2

°

90

 Control arm

Number

Designation

Model 907
with code CB2 (Comfort air suspension)
with code IT5 (5.0 tonner)

BA35.15-N-1003-03TS

Screw, control arm holder to rear axle spring

Nm

255

Repair materials

Number

Designation

Order number

BR00.45-Z-1038-04A

Loctite 7200

Henkel AG & Co. KGaA
http://www.loctite.de