W35.20-1035-09
1 | Thrust ring | 3 | Cover panel | 7 | Locking plate | ||
2 | Radial shaft sealing ring (only up to axle no. M 053279) | 4 | Rear wheel hub | 8 | Outer slotted nut | ||
2.1 | Radial shaft sealing ring (external, only as from axle no. M 053280) | 5 | Outer tapered roller bearing | 9 | Rear axle shaft | ||
2.2 | Radial shaft sealing ring (internal, only as from axle no. M 053280) | 6 | Inner slotted nut | 10 | Screw |
| Remove | ||
Notes on evaluating leakages | |||
1 | Remove brake carrier with brake caliper | ||
2 | Remove ABS sensor | ||
3 | Mechanically locking differential lock | ||
4 | Remove rear axle shaft (9) | ||
5 | Release and unscrew outer slotted nut (8) | Claw-type wrench | |
6 | Remove lock washer (7) and unscrew inner slotted nut (6) | Claw-type wrench | |
7 | Remove rear wheel hub (4) and outer tapered roller bearing (5) | ||
8.1 | Remove radial shaft sealing ring (2) | Up to rear-axle no. M 053279 | |
8.2 | Remove both radial shaft sealing rings (2.1, 2.2) | As from rear-axle no. M 053280 | |
| Wheel hub seal revised | ||
9 | Remove cover panel (3) from rear wheel hub (4) | ||
10 | Remove thrust ring (1) | Release thrust ring (1) with a chisel and remove. | |
| Install | ||
11 | Clean sitting surface of thrust ring (1) on axle tube | ||
Warning | Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | |
12 | Heat up new thrust ring (1) to approx. 80 °C and push on until it abuts with the axle tube | Press on thrust ring (1) until it has cooled down sufficiently that its installation position no longer changes. | |
13 | Insert new cover panel (3) into rear wheel hub (4) | ||
14.1 | Install new radial shaft sealing ring (2) | Up to rear-axle no. M 053279 | |
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Drift | |||
14.2 | Install new radial shaft sealing rings (2.2, 2.1) | As from rear-axle no. M 053280 | |
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Apply light coating of grease to rubber-lined outer sealing surface of the inner radial shaft sealing ring (2.2). | |||
MB multipurpose grease, 400 g | |||
Drift | |||
Supplementary set | |||
15 | Mount rear wheel hub (4) onto axle tube | Do not damage the sealing lips of the radial shaft sealing ring (2) or the radial shaft sealing rings (2.1, 2.2). | |
16 | Apply light coating of grease to outer tapered roller bearing (5) and install | MB multipurpose grease, 400 g | |
17 | Tighten inner slotted nut (6) | Continuously turn the rear wheel hub (4) and apply a few strikes with a rubber hammer to the rear wheel hub (4) in a crosswise pattern so that the tapered roller bearings make contact with zero clearance. | |
Outer and inner slotted nut to wheel hub | |||
Claw-type wrench | |||
18 | Loosen inner slotted nut (6) again by approx. 1/4 turn | Claw-type wrench | |
19 | Check wheel bearing play | ||
Wheel bearing play | |||
Claw-type wrench | |||
Dial gage | |||
Dial indicator holder | |||
20 | Slightly grease lock washer (7) and mount onto axle tube | The locking pin of the lock washer (6) must point outward. | |
21 | Tighten outer slotted nut (8) | Outer and inner slotted nut to wheel hub | |
Claw-type wrench | |||
22 | Check wheel bearing play again | ||
Wheel bearing play | |||
Claw-type wrench | |||
Dial gage | |||
Dial indicator holder | |||
23 | Secure outer slotted nut (8) | Drive locking plate (7) into suitable grooves of the inner slotted nut (6) and outer slotted nut (8). | |
24 | Clean sealing surfaces on rear wheel hub (4) and on flange of rear axle shaft (9) and then coat with sealant | Omnifit sealantFD10-1042 | |
25 | Install rear axle shaft (9) with new bolts (10) | Bolt, rear axle shaft to wheel hub | |
26 | Install ABS sensor | ||
27 | Unlock the differential lock mechanically | ||
28 | Install brake carrier with brake caliper |
748 589 00 07 00
Claw-type wrench
001 589 53 21 00
Dial gage
363 589 02 21 00
Dial indicator holder
748 589 00 63 00
Supplementary set
748 589 04 15 00
Drift