Remove/install rear axle air chamber · ar3222l2004a · Mercedes-Benz WIS

AR32.22-L-2004A

Remove/install rear axle air chamber

15.1.10

MODEL 668.3 with CODE (CE2) Rear air suspension
with electronic level control (ENR)

MODEL 668.3 with CODE (CE3) Front and rear air suspension
with electronic level control (ENR)

MODEL 670.3## ## as of 076161 with CODE (CE2) Rear air suspension

MODEL 670.3## ## as of 076209 with CODE (CE3) Front and rear air suspension

L32.22-0010-06

1 Air chamber

2 Protective cap

3 Test connection

4 Banjo bolt

5 Sealing ring

6 High pressure line

7 Air bellows crossmember

8 Nut

 	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 wheel and wheel well 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
1	Switch off ignition and remove ignition key	 In order to prevent the vehicle frame being raised or lowered in an uncontrolled manner.
2	Jack up vehicle frame and secure	 The vehicle frame must not lower when the air chamber (1) is emptied.
3	Detach protective cap (2) and empty air chamber (1) completely by pressing the pressure pin (arrow) on the test connection (3)
4	Unscrew test connection (3) from air chamber (1)		*BA32.22-N-1005-01D
5	Replace sealing rings of test connection (3)		AR32.22-L-2001-03A
6	Remove banjo bolts (4) and remove pressure line (6).	 Replace sealing rings (5).  Installation: The extractable side (arrow) of the pressure line (6) points towards the air chamber (1).
			*BA32.22-N-1006-01D
7	Unscrew nut (8) and remove air chamber (1) from air bellows crossmember (7)	 The rounded side of the nut (8) points towards the air bellows crossmember (7).
			*BA32.22-N-1004-01D
8	Install in the reverse order
9	Check air suspension for leaks		AR32.22-L-8000A

 Air bellows

Number	Designation		Model 668.3, 670.3/4 with CODE CE2 (rear air suspension)	Model 668.3, 670.3/4 with CODE CE3 (front and rear air suspension)


BA32.22-N-1004-01D	Nut, rear air chamber to air bellows crossmember	Nm	100	100
BA32.22-N-1005-01D	Test connection, pressure line to rear air chamber	Nm	20	20
BA32.22-N-1006-01D	Banjo bolt, pressure line of air chamber to rear piston	Nm	60	60

ar3222l200103a Replace sealing rings of pressure line connection
ar3222l8000a Check air suspension for leaks
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.