Remove/install rear axle shaft

AR35.30-P-0620MCC

Remove/install rear axle shaft

12.08.2015

Model

451.3/4 with transmission 717.4

Model

451.39/49

Shown on right side of vehicle on vehicle with transmission 717.4

1

Rear axle shaft

6

Bolt

11

Extraction and insertion tool

2

Bolt

7

Extraction tool

12

Bolts

3

Rear axle cross member

8

Shock absorber

13

Cover

4

Bolt

9

Wheel bolt

5

Axle tube

10

Adaptation

 

Remove/install

1

Remove left or right rear wheel

AR40.10-P-1100MCC

2

Unscrew bolt (2) of rear axle shaft (1)

 To loosen and tighten the bolt (2), screw two wheel bolts (9) into the wheel hub and counterhold the wheel hub using a suitable tool.

 Installation: Replace self-locking bolt (2) of rear axle shaft (1).

 Bolt, rear axle shaft to rear axle shaft flange

*BA35.30-P-1002-01D

3

Support the rear axle cross member (3) using a transmission jack, unscrew bolts (4) and lower the rear axle cross member (3)



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

 Screw/bolt, crossmember to integral carrier

*BA35.10-P-1003-01F

4

Unscrew wheel bolts (9) from the wheel hub, position the adapter (10) to line up with the hole circle and fasten to the wheel hub with the wheel bolts (9)

 Adaptation

*451589003400

5

Position the extraction and insertion tool (11) to line up with the hole circle and fasten with bolts (12)to the adapter (10)

 Adaptation

*451589003400

 Extraction and insertion tool

*210589034300

6

Press rear axle shaft (1) out of wheel hub and detach extraction and insertion tool (11) as well as adapter (10) from wheel hub

 Adaptation

*451589003400

 Extraction and insertion tool

*210589034300

7

Support axle tube (5) with major assemblies lifting table or transmission jack



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

 If both rear axle shafts (1) are removed simultaneously, the major assemblies lifting table should be used to support the axle tube (5).

8

Remove expansion clip on cover (13), remove cover (13)

9

Unscrew bolt (6) of shock absorber (8) on axle tube (5)

 Bolt, shock absorber to rear axle

*BA32.25-P-1001-03N

10

Lower axle tube (5) carefully and guide rear axle shaft (1) out of wheel hub


Make sure that the inner ball joint of the rear axle shaft (1) is not pulled apart.
Otherwise, the rear axle shaft (1) can get damaged.

 When lowering the axle tube (5) ensure that the rear-axle spring does not fall out of its supports.

 Installation: Observe the correct seat of the rear-axle springs in the supports on the axle tube (5) and on the integral support. Insert the shock absorber (8) into the support on the axle tube (5).

11

Raise the axle tube (5) and fix in position on shock absorber (8) with bolt (6)

 Installation: Unscrew screw/bolt (6) on shock absorber (8) and lower the axle tube (5) until the rear axle shaft (1) can be inserted into the wheel hub.
In the process ensure that the rear-axle spring does not fall out of its supports.

12

Loosen rear axle shaft (1) from transmission using impact extractor and extraction tool (7) and remove


Do not damage radial shaft sealing ring.
Leakage can otherwise occur.

 Collect escaping transmission oil in a suitable container.

 Installation: Replace retaining ring on the inner joint of the rear axle shaft (1).

 Extraction tool

*221589043300

 Impact extractor

*602589003300

13

Seal the transmission opening with plug

Cap to transmission housing

*BR00.45-Z-1005-15A

14

Install in the reverse order

15

Check transmission oil level, adjust to correct level if necessary

Drain transmission oil, refill
Model 451.3/4 with transmission 717.4
except code 494 (US version)
Model 451.391/491
except code 494 (US version)

AR26.00-P-0200MCC

Drain transmission oil, refillModel 451.390/392/490/492 with engine 780.993

AR26.00-P-0200MEX

 Rear axle shock absorber

Number

Designation

Model 451.3/4

BA32.25-P-1001-03N

Bolt, shock absorber to rear axle

Nm

70

 Rear axle carrier

Number

Designation

Model 451.3/4

BA35.10-P-1003-01F

Screw/bolt, crossmember to integral carrier

Nm

65

 Rear axle shaft

Number

Designation

Model 451.3/4

BA35.30-P-1002-01D

Bolt, rear axle shaft to rear axle shaft flange

Stage 1

Nm

45

Stage 2

°

90

Repair materials

Number

Designation

Order number

BR00.45-Z-1005-15A

Cap to transmission housing

A 451 261 00 33