Remove/install complete rear axle · ar3510t0010aa · Mercedes-Benz WIS

AR35.10-T-0010AA

Remove/install complete rear axle

15.1.10

REAR AXLE 748.120 /121 /122 /123 /124 /125 /126 /134 /135 in MODEL NMB671

T35.10-0033-01

1 Diagonal control arm

2 Trailing arm

T35.10-0032-01

9 Shock absorber

10 Air spring bellows

11 Spring support

T42.10-0054-06

3 Level control linkage

4 Compressed-air line

5 Threaded connection

7 Brake cylinder

B5 Parking brake pressure switch

T42.30-0022-01

8 Axle ventilation

B113 Left rear axle ABS sensor

B114 Right rear axle ABS sensor

Modification notes

15.6.05	Bolt/serrated bolt, diagonal control arm to substructure	Rear axles 748.12/13	*BA35.15-N-1002-03B
	Bolt/serrated bolt, trailing arm to substructure	Rear axles 748.12/13	*BA35.15-N-1004-03B
	Serrated bolt, semi-trailing arm to axle housing	Rear axles 748.12/13	*BA35.15-N-1008-03B
	Serrated bolt, trailing arm to trailing arm bracket	Rear axles 748.12/13	*BA35.15-N-1009-03B

 	Remove/install
Danger!	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
 Danger!	Danger to life from lowering vehicle when working between wheels and body. Risk of injury by trapping or crushing when working on air suspension system.	Do not work between wheels and wheel wells or in wheel box. Only carry out check and adjustment operations from underneath the vehicle. Secure areas with moving vehicle parts against unauthorized access.	AS32.22-Z-0001-01A
 Danger!	Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension	Use only approved tensioning devices; shield off hazard area if necessary. Inspect special tools for damage and proper operation (visual inspection). Wear protective gloves.	AS00.00-Z-0001-01A
	Notes on self-locking nuts and bolts	All models	AH00.00-N-0001-01A
1	Bleed brake cylinder (7)	 When the parking brake is applied the brake cylinders (7) are operated by spring force and are bled simultaneously.
2	Bleeding the air suspension system	 Ensure that the air spring bellows (10) and reservoir are unpressurized.
3	Lift/jack up vehicle	 Do not remove the wheel-engaging lifts after raising the vehicle. The vehicle must be secured on axle stands.	AR00.60-T-1000AA
4	Remove engine compartment paneling		AR61.20-T-1105AA
5	Remove propeller shaft	 Remove the propeller shaft with the help of a second person.	AR41.10-T-0050A
6	Detach level control linkage (3)	 Perform on both sides.
7	Separate compressed air lines (4) at the threaded connections (5)	 All compressed air lines (4) must be unpressurized. Identify the compressed air lines (4) relative to the respective threaded connections (5). Seal connections.
		 Installation: Pay attention to the marking in order to prevent malfunctioning of the brake system.
8	Separate electrical connector on parking brake pressure switch (B5) of brake cylinder (7)	 Installation: Install new cable ties. Ensure that it cannot chafe.
9	Detach left and right rear axle ABS sensor (B113) (B114) from portal housing	 Carefully remove left rear axle ABS sensor (B113) and right rear axle ABS sensor (B114) in order to avoid damage.	*BA35.10-N-1003-01B
		 Installation: Install new cable ties. Ensure that it cannot chafe.
			*001589752100
10	Detach shock absorber (9) from spring support (11)		*BA32.25-N-1001-03J
			*000589642100
11	Detach rotary piston of air spring bellows (10) from spring support (11)		*BA32.22-N-1001-01E
			*000589392100
12	Remove stabilizer	 If necessary it is sufficient to detach the stabilizer bar from the bracket on the spring support (11) and to fold it downwards.	AR32.35-T-2210AA
			*BA32.35-N-1001-03I
			*BA32.35-N-1002-03I
			*000589392100
13	Detach axle ventilation (8) from right trailing arm (2) and the body	 Installation: Install new cable ties. Ensure that it cannot chafe. The axle ventilation (8) must not be blocked, clean if necessary.
14	Remove both trailing arms (2)	 Identify the installation position of shims fitted in order to ensure the correct driving position of the rear axle when installing otherwise increased tire wear can occur.	AR35.10-T-0010-04AA
		 On the version with the fuel tank in front of the rear axle the right trailing arm (2) can only be removed after lowering the rear axle slightly.
		 Installation: Observe installation position of shims.
			*BA35.15-N-1004-03B
			*BA35.15-N-1009-03B
			*000589392100
15	Remove both diagonal links (1)	 Identify the installation position of shims fitted in order to ensure the correct driving position of the rear axle when installing otherwise increased tire wear can occur.
		 Secure the rear axle to prevent it from tilting.
		 Installation: Observe installation position of shims.
			*BA35.15-N-1002-03B
			*BA35.15-N-1008-03B
			*000589392100
16	Lower rear axle.
17	Install in the reverse order
18	Build up operating pressure of compressed-air system
19	Check compressed-air system for leaks
20	Check rear axle oil level and correct if necessary
	Rear axle - oil change		AP35.00-T-3501AA
21	Check vehicle level, adjust if necessary		AR32.22-T-7000A

 Rear axle stabilizer bar

Number	Designation		Model 671.015	Model 671.020 / 021	Model 671.030	Model 671.042


BA32.22-N-1001-01E	Bolt, rotary piston of air spring bellows to spring support	Nm	170	170	170	170

 Rear axle stabilizer bar

Number	Designation		Model 671.332/ 333


BA32.22-N-1001-01E	Bolt, rotary piston of air spring bellows to spring support	Nm	170

 Rear axle shock absorber

Number	Designation		Model 671.015	Model 671.020 / 021	Model 671.030	Model 671.042	Model 671.332/ 333


BA32.25-N-1001-03J	Nut, shock absorber to spring bracket	Nm	65...70	65...70	65...70	65...70	65...70

Rear axle stabilizer bar

Number	Designation		Model 671.015	Model 671.020 / 021	Model 671.030	Model 671.042	Model 671.332/ 333


BA32.35-N-1001-03I	Nut, anti-sway bar brace to bracket of anti-sway bar brace	Nm	230 to 285	230 to 285	230 to 285	230 to 285	230 to 285
BA32.35-N-1002-03I	Nut anti-sway bar to anti-sway bar brace	Nm	230 to 285	230 to 285	230 to 285	230 to 285	230 to 285

 Rear axle carrier

Number	Designation		Rear axles 748.12/13


BA35.10-N-1003-01B	Pan head bolt, rpm sensor to portal housing	Nm	9 to 10

 Control arm

Number	Designation		Rear axles 748.12/13


BA35.15-N-1002-03B	Bolt/serrated bolt, diagonal control arm to substructure	Nm	380
BA35.15-N-1004-03B	Bolt/serrated bolt, trailing arm to substructure	Nm	380
BA35.15-N-1008-03B	Serrated bolt, semi-trailing arm to axle housing	Nm	485
BA35.15-N-1009-03B	Serrated bolt, trailing arm to trailing arm bracket	Nm	485

000 589 64 21 00

Torque wrench

000 589 39 21 00

001 589 75 21 00

Referenced documents

ah0000n000101a Notes on self-locking nuts and bolts
ap3500t3501aa Rear axle - oil change
ar0060t1000aa Lift/jack up vehicle
ar3222t7000a Checking and adjusting vehicle level
ar3235t2210aa Remove/install anti-roll bar on rear axle
ar3510t001004aa Remove/install longitudinal control arm at rear axle
ar4110t0050a Remove/install propeller shaft
ar6120t1105aa Remove and install bottom engine compartment paneling
as0000z000101a Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension
as0000z001001a Risk of death caused by vehicle slipping or toppling off of the lifting platform.
as3222z000101a Risk of death from lowering vehicle when working between wheels and body. Risk of injury from pinching or crushing when working on the air suspension.