Remove/install front wheel hub

AR33.20-B-0310G

12.02.16

Front axle 732.5 with Vehicle 979 with CODE B02 (Anti-lock braking system (ABS)) with CODE BB5 (Disc brakes on front and rear axle)

B33.20-0046-06

1 Wheel fastening bolt

2 Bolt

3 Hub cap

4 Lock nut

5 Thrust washer

6 Outer bearing

7 Wheel hub (with disc)

8 ABS tone wheel

9 Inner bearing

10 Radial seal

11 Stub axle

	Remove
1	Remove the wheels.		AR40.10-B-1100E
2	Remove the ABS sensor	For vehicles fitted with anti-locking brake system ABS.	AR42.30-B-0150C
3	Remove the support with the brake caliper		AR42.10-B-0600E
4	Remove the hub cap (3)	Pry out the cap sideways with an appropriate lever.
5	Loosen the bolt (2) from the lock-nut (4)
6	Remove the lock-nut (4) and the thrust washer (5)		*055589231500
7	Pull the wheel hub (7) together with the brake disc		*035589013300
		The outer bearing (6) will come off with the wheel hub.
		The radial seal (10) comprises two parts. At wheel hub removal, it is possible that one of the parts remains on the stub axle. Should this happen, remove it.
8	Remove from the wheel hub (7), the radial seal (10) and the inner bearing (9)		715589253400 001589413300
		 For vehicles fitted with anti-locking brake system ABS, it will only be necessary to remove the ABS tone wheel (8) from the wheel hub in those cases needing the replacement of the tone wheel.
	Installing
9	Install the inner bearing (9) in the wheel hub (7)	Thoroughly lubricate the inner bearing with grease .	*BR00.45-B-1029-06A
10	Install the radial seal (10) in the wheel hub (7)	Utilize a new radial seal.
		Apply a sealing compound on the radial seal outside surface.	*BR00.45-B-1001-01A
			*055589251500
11	Install the wheel hub (7) on the stub axle (11)	Pay attention and avoid radial seal damage.
12	Install the outer bearing (6) in the wheel hub (7)	Lubricate the outer bearing and fill the wheel hub with the specified amount of grease before installing the bearing.
			*BF33.20-B-1001-01A
			*BR00.45-B-1029-06A
13	Install the thrust washer (5)
14	Install and tighten the lock-nut (4) until the wheel hub bearings make contact without play	While tightening the nut, continuously turn the wheel hub (7) and apply some rubber hammer strikes in a crosswise fashion.
			*055589231500
15	Check and adjust the wheel hub bearings axial clearance		AR33.20-B-0310-13A
			*BE33.20-B-1001-01A
			*BA33.20-B-1004-01B
			*001589532100
			*363589022100
			*055589231500
16	Tighten the bolt (2) to the specified tightening torque		*BA33.20-B-1005-01B
17	Fill the hub cap (3) with grease and install it in the wheel hub (7)		*BF33.20-B-1002-01A
			*BR00.45-B-1029-06A
			*BA33.20-B-1003-01B
18	Install the support with the brake caliper		AR42.10-B-0600E
19	Install the ABS sensor	For vehicles fitted with anti-locking brake system ABS.	AR42.30-B-0150C
20	Install the wheels		AR40.10-B-1100E

Test specifications for wheel location, wheel hub

Número	Denominação		Front axles 732.560	Front axle 732.561


BE33.20-B-1001-01A	Check values wheel guide, hub	mm	0.02...0.04	0.02...0.04

Wheel location, wheel hub

Número	Denominação				Front axle 732.51; 732.560/561/562; 733.82/84/88


BA33.20-B-1003-01B	Cap nut	Only in vehicles with threaded hubcap	M90x1.5	Nm	150
		Only in vehicles with threaded hubcap	M80x1.5	Nm	-
		Only in vehicles with threaded hubcap	M70x1.5	-	-
BA33.20-B-1004-01B	Nut with lock screw		M24x1.5	Nm	60
			M40x1.5		-
BA33.20-B-1005-01B	Lock screw		M8	Nm	30
			M10		-

Wheel hub, hub cap

Número	Denominação			Front axle 732.560/561


BF33.20-B-1001-01A	Wheel hub grease (per hub)	Replenishment quantity	Grams	150
BF33.20-B-1002-01A	Hubcap grease	Replenishment quantity	Grams	40