ar3510w0010n

Remove/install complete rear axle

Type ar · topic 35.10 · version 0501 · 2020-07-06

Applies to: Rear axle 746.301 in model 963, 964

Where it sits

Function group 2 Chassis › 35 Rear axle › 35.10 Complete rear axle — Series 963 · Series 964

EinPAS 17 Drivetrain/axle › 17.51 Rear axle › 17.51.30 Rear axle assembly — Series 963 · Series 964

Also applies to engines/gearboxes: 746 301

AR35.10-W-0010N

Remove/install complete rear axle

25.06.2020

Rear axle

746.301 in model 963, 964

Remove/install complete rear axle

W35.10-A000-09

1

Nut

7

Shock absorber

13

Interwheel differential lock indicator switch

2

Upper trailing arm (only with 4x2 semitrailer truck)

8

Screw

14

Interwheel differential lock shift cylinder

3

Brake wear sensor

9

Screw

15

Wishbone control arm (not with 4x2 semitrailer truck)

4

Temperature sensor

10

Bearing cap

16

Stud bolt (with hexagon)

5

Air suspension sensor linkage

11

Air suspension bellows carrier

A

Bearing bracket (for wishbone control arm (15) with horizontal threaded connection)

6

Screw

12

Stabilizer link

B

Bearing bracket (for wishbone control arm (15) with vertical threaded connection)

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

Drain oil from rear axle.

AP35.00-W-3501H

2

Remove wheels from the rear axle.

AR40.10-W-1100H

After jacking up, leave the lifting device positioned at the rear axle.

3

Empty compressed-air system completely.

4

Remove left and right anti-lock braking system (ABS) rpm sensors.

AR42.30-W-0140H

5

Disconnect electrical connector from brakepad wear sensor (3) at left and right.

6

Detach plug from interwheel differential lock indicator switch (13).

7

Remove two compressed-air lines each from left and right combination brake cylinder.

AR42.10-W-0900H

8

Remove compressed-air line and bleed line from interwheel differential lock shift cylinder (14).

AR42.10-W-0900H

9

Disconnect electrical connector from temperature sensor (4).

10

Remove compressed-air distributor and all line brackets attached to rear axle and fasten at side to frame.

11

Remove air suspension sensor linkage (5) from rear axle at left and right.

12

Remove propeller shaft from drive flange of rear axle and secure against falling down using tensioning straps.

AR41.10-W-0050H

13

Remove left and right shock absorber (7) from rear axle.

Shock absorber to rear axle air suspension

*BA32.25-N-1003-03M

14

Detach bearing cap (10) from left and right air suspension supports (11) and swing stabilizer link (12) downwards.

Installation: Replace bolts (9).

Bearing cap of stabilizer link to air suspension bellows carrier

*BA32.35-N-1001-03L

15.1

Remove upper trailing arms (2) from bearing bracket on rear axle.

With 4x2 semitrailer trucks

Installation: Replace screw/bolts (6).

Trailing arm at top to bearing bracket on rear axle

*BA35.15-N-1012-03G

15.2

Remove wishbone control arm (15) from bearing bracket on rear axle.

Not with 4x2 semitrailer trucks

Installation: Replace screw/bolts (6).

Wishbone control arm to bearing bracket on rear axle

*BA35.15-N-1001-03G

16

Lower rear axle and pull out from under the vehicle.

17

Check thread of stud bolts (16).

Only on rear axle with bearing bracket (B).

If thread is damaged,

replace affected stud bolt (16).

Stud bolt to bearing bracket on rear axle

*BA35.15-N-1008-03G

18

Remove both air suspension supports (11) from rear axle.

Only when replacing the rear axle.

Installation: Attach air suspension supports with new screws.

Air suspension bellows carrier on rear axle (steel axle housing)

*BA32.22-N-1002-03I

Socket wrench bit

*963589000900

19

Install in the reverse order

Air suspension

Number

Designation

Model 963, 964

BA32.22-N-1002-03I

Air suspension bellows carrier on rear axle (steel axle housing)

M22x1.5, when installing onto a new rear axle

Stage 1

Nm

10

Stage 2

Nm

30

Stage 3

Nm

50

Stage 4

Nm

80

Stage 5

Nm

150

Stage 6

Nm

300

Stage 7

Nm

460

Stage 8

°

180

M22x1.5 when installing onto a rear axle that has already been in service

Stage 1

Nm

80

Stage 2

Nm

150

Stage 3

Nm

300

Stage 4

Nm

460

Stage 5

°

180

M24x2, when installing onto a new rear axle

Stage 1

Nm

100

Stage 2

Nm

200

Stage 3

Nm

300

Stage 4

Nm

400

Stage 5

°

90

Stage 6

°

90

Stage 7

°

90

Stage 8

°

90

M24x2, when installing a rear axle that has already been in service

Stage 1

Nm

100

Stage 2

Nm

300

Stage 3

Nm

500

Stage 4

Nm

750

Rear axle shock absorber

Number

Designation

Model 963, 964

BA32.25-N-1003-03M

Shock absorber to rear axle air suspension

Nm

330

Rear axle stabilizer bar

Number

Designation

Model 963, 964

BA32.35-N-1001-03L

Bearing cap of stabilizer link to air suspension bellows carrier

Stage 1

Nm

460

Stage 2

°

120

Control arm

Number

Designation

Rear axle 746.301/302 in model 963, 964

BA35.15-N-1001-03G

Wishbone control arm to bearing bracket on rear axle

Stage 1

Nm

300

Stage 2

°

90

Control arm

Number

Designation

Rear axle 746.301/302 in model 963, 964

BA35.15-N-1008-03G

Stud bolt to bearing bracket on rear axle

Nm

100

Control arm

Number

Designation

Rear axle 746.301/302 in model 963, 964

BA35.15-N-1012-03G

Trailing arm at top to bearing bracket on rear axle

Stage 1

Nm

300

Stage 2

°

90

Remove/install complete rear axle

963 589 00 09 00

Socket wrench bit

Referenced documents