Rear axle wheel hubs - regreasing, checking tapered roller bearings · ap3520d3550a · Mercedes-Benz WIS

AP35.20-D-3550A

Rear axle wheel hubs - regreasing, checking tapered roller bearings

25.10.11

REAR AXLE 741.131 in MODEL 667

REAR AXLE 742.487 in MODEL 670.4

REAR AXLE 742.501 in MODEL 668, 670

Rear axle wheel hubs - regreasing, checking tapered roller bearings

D35.20-0059-06

Shown on rear axle 741.131

N35.20-2002-09

Shown on rear axle 742.501

N35.20-2003-09

Shown on rear axle 742.487

	Removing
1	Apply parking brake
2	Loosen wheel nuts on rear wheels
3	Jack up vehicle at rear axle	 Place vehicle on jack stands.
		 Position jack and jack stands at the specified lift support points.
4	Remove wheels
5	Remove wheel hub
	Remove/install rear wheel hub	Rear axle 741.131	AR35.20-D-0310A
		Rear axle 742.501	AR35.20-D-0310C
		Rear axle 742.487	AR35.20-D-0310D
		 Puller	*035589013300
		Rear axle 742.4/5
		 Claw wrench	*314589030700
		Rear axle 741.131
		 Claw wrench	*309589010700
6	Clean wheel hub and tapered roller bearings
	Checking
7	Check that tapered roller bearings and bearing races are in good condition and are not worn	 If the tapered roller bearings are damaged they must be replaced in pairs: 
		Disassemble/assemble rear wheel hub
		Rear axle 741.131	AR35.20-D-0320B
		Rear axle 742.501	AR35.20-D-0320A
		Rear axle 742.487	AR35.20-D-0320C
	Install
8	Grease tapered roller bearings	 Grease tapered roller bearings thoroughly and pack wheel hubs with the specified quantity of grease.
		Rear axle 741.131
		 Capacity per wheel hub	*BF35.20-N-1001-01G
		Rear axle 742.4/5
		 Capacity per wheel hub	*BF35.20-N-1001-01C
9	Install wheel hub, adjust wheel bearing play
	Remove/install rear wheel hub	Rear axle 741.131	AR35.20-D-0310A
		Rear axle 742.501	AR35.20-D-0310C
		Rear axle 742.487	AR35.20-D-0310D
		Rear axle 741.131
		Play of wheel bearings in wheel hub	*BE35.20-N-1001-02B
		Rear axle 742.4/5
		Wheel bearing play	*BE35.20-N-1001-02A
		 Outer slotted nut, wheel hub to rear axle tube	*BA35.20-N-1002-06C
		 Bolt, caliper support to rear axle tube (bolt oiled)	*BA42.10-N-1001-12D
		Rear axle 741.131
		 Collar nut, rear axle shaft to hub	*BA35.30-N-1003-01A
		Rear axle 742.4/5
		 Bolt, rear axle shaft to wheel hub	*BA35.30-N-1001-01B
		 Bolt, rear axle shaft to wheel hub	*BA35.30-N-1003-01B
		 Dial indicator	*001589532100
		 Dial indicator holder	*363589022100
		Rear axle 741.131
		 Claw wrench	*309589010700
		 Drift	*389589021500
		Rear axle 742.4/5
		 Claw wrench	*314589030700
		 Drift	*312589141500
		Sealant, Hylomar universal sealant 80 ml	*BR00.45-Z-1010-01A
10	Mount wheels
11	Lower rear axle
12	Tighten wheel nuts	 Wheel nut	*BA40.10-N-1001-01B
13	Push down brake pedal several times

Test values for wheel hub

Number	Designation		Rear axle 741.130/131/171, 741.52/53


BE35.20-N-1001-02B	Play of wheel bearings in wheel hub	mm	0.02...0.04

Test and adjustment values for wheel hub

Number	Designation		Rear axle 742.4	Rear axle 742.5


BE35.20-N-1001-02A	Wheel bearing play	mm	0.02...0.04	0.02...0.05

 Hub

Number	Designation		Rear axle 741.130/131/171, 741.52/53


BA35.20-N-1002-06C	Outer slotted nut, wheel hub to rear axle tube	Nm	250

 Hub

Number	Designation		Rear axle 742.4	Rear axle 742.5


BA35.20-N-1002-06C	Outer slotted nut, wheel hub to rear axle tube	Nm	250	250

 Rear axle shaft

Number	Designation				Rear axle 741.130/131


BA35.30-N-1003-01A	Collar nut, rear axle shaft to hub	M10	Stage 1	Nm	65
			Stage 2	°	-
		M121.5		Nm	-

 Rear axle shaft

Number	Designation			Rear axle 742


BA35.30-N-1001-01B	Screw/bolt, rear axle shaft to wheel hub	M141.5	Nm	200
BA35.30-N-1003-01B	Screw/bolt, rear axle shaft to wheel hub	M121.5	Nm	150

 Rear axle brake caliper

Number	Designation			Model 667	Model 668, 670


BA42.10-N-1001-12D	Bolt, caliper support to rear axle tube (bolt oiled)	M121.5	Nm	110	110
		M141.5	Nm	180	-

 Wheels

Number	Designation			Model 667, 668, 670


BA40.10-N-1001-01B	Wheel nut	M14x1.5	Nm	180
		M18x1.5	Nm	250

 Wheel hub, cap

Number	Designation			Rear axle 741.131


BF35.20-N-1001-01G	Multipurpose grease	Capacity per wheel hub	g	100
		Specifications for Operating Fluids	Sheet	BB00.40-P-0267-00A

 Wheel hub, cap

Number	Designation			Rear axle 742.4	Rear axle 742.50


BF35.20-N-1001-01C	Multipurpose grease	Capacity per wheel hub	g	100	100
		Specifications for Operating Fluids	Sheet	BB00.40-P-0267-00A	BB00.40-P-0267-00A