Remove/install complete rear axle · ar3510a0010la · Mercedes-Benz WIS

AR35.10-A-0010LA

Remove/install complete rear axle

15.1.10

REAR AXLE 748.785 in MODEL 8AB390.053 /054 with STEERING 766.422

A35.10-0004-06

1 Lever

2 Air spring bellows

3 Rear axle

4 Combination cylinder

5 Propeller shaft

6 Linkage rod

7 Shock absorber

8 Air bellows support

9 Stabilizer

A35.10-0005-11

10 Diagonal control arm

11 Vent line

 	Remove/install
 Danger!	Danger to life from lowering vehicle when working between wheels and body. Risk of injury by pinching or crushing when working on the air suspension.	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
 Installation	Replace self-locking nuts and bolts.
1	Remove wheels		AR40.10-A-1100LA
2	Support vehicle frame
3	Raise rear axle (3) approx. 5 cm and support
4	Discharge compressed-air system
5	Detach compressed air hoses on the combination cylinders (4)	 Seal openings with plugs.
		 Installation: Replace sealing rings.
6	Detach linkage (6) from the brackets on the air bellows support (8)
7	Pull lever (1) downwards	 The air spring bellows (2) are deflated as a result.
8	Remove air spring bellows (2)		AR32.22-A-2003LA
9	Remove propeller shaft (5)		AR41.10-A-0050LA
10	Take off vent line (11)
11	Detach lines and subharnesses attached to the rear axle (3) and tie up to one side
12	Detach dampers (7) on the air bellows supports (8)		*BA32.25-N-1002-03L
13	Remove anti-roll bar (9)		AR32.35-A-2210LA
14	Remove diagonal control arm (10)		*BA35.15-N-1003-03E
15	Remove rear axle (3)
16	Remove air bellows support (8)	Only if the rear axle (3) is exchanged.
			*BA32.22-N-1005-03G
17	Install in the reverse order
 Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
18	Start engine and fill compressed-air system up to the cutoff pressure
19	Turn off engine
20	Check tire inflation pressure, correct if necessary
			AP40.15-A-4060LA
21	Check vehicle level, adjust if necessary		AR32.22-A-7000LA

 Air bellows support

Number	Designation		Model 390.053/054


BA32.22-N-1005-03G	Nut, air bellows support to rear axle	Nm	720

 Rear axle shock absorber

Number	Designation		Model 390.053 with rear axle 741.990, Model 390.053 with rear axle 748.785	Model 390.054 with rear axle 748.785


BA32.25-N-1002-03L	Nut, lower shock absorber to spring support	Nm	90	90

 Control arm

Number	Designation		Rear axle 748.785 in model 390.053/054


BA35.15-N-1003-03E	Bolt, diagonal control arm to bearing bracket	Nm	300

Referenced documents

ap4015a4060la Correct tire inflation pressures, including spare tire
ar3222a2003la Remove/install air bellows
ar3222a7000la Checking and adjusting vehicle level
ar3235a2210la Remove/install anti-roll bar on rear axle
ar4010a1100la Remove/install wheels
ar4110a0050la Remove/install propeller shaft
as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
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.