Check AIR BODY CONTROL for leaktightness

AR32.22-P-8101FR

Check AIR BODY CONTROL for leaktightness

23.05.2019

Model

257

with code 489 (AIR BODY CONTROL)

Modification notes

23.05.2019

Pressure line to compressor/valve unit (P)

BA32.22-P-1004-03I

23.05.2019

Pressure line to pressure reservoir/valve unit (SP)

BA32.22-P-1008-03I

4

Cover

5

Cover

1

Front axle suspension strut

A9/1

AIR BODY CONTROL compressor

2

Rear axle air spring

Y36/6

AIR BODY CONTROL valve unit

Shown on model 257.361

3

AIR BODY CONTROL central reservoir

Topical note

Notes on AIR BODY CONTROL

AH32.22-P-1000-03LWO

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW



Remove

1

Remove cover (4) and cover (5)

2

Remove front engine compartment paneling

AR61.20-P-1105FR

3

Release front left fender liner in area of bumper

AR88.10-P-1301FR

4

Release front right fender liner in area of bumper

Model 257.361
with code 489 (AIR BODY CONTROL)

AR88.10-P-1301FR



Check

5

Spray pressure line connections at AIR BODY CONTROL valve unit (Y36/6) with leak detection spray

Leak detection spray for China

*BR00.45-Z-1006-03A

Leak location spray LUBRION article no. 626.04

*BR00.45-Z-1005-03A

Leakage detection spray for USA

*BR00.45-Z-1004-03A

Snoop Leak detection fluid

*BR00.45-Z-1003-03A

Leak detection spray

*BR00.45-Z-1002-03A

6

Spray pressure line connections on AIR BODY CONTROL compressor (A9/1) with leak detection spray

Leak detection spray for China

*BR00.45-Z-1006-03A

Leak location spray LUBRION article no. 626.04

*BR00.45-Z-1005-03A

Leakage detection spray for USA

*BR00.45-Z-1004-03A

Snoop Leak detection fluid

*BR00.45-Z-1003-03A

Leak detection spray

*BR00.45-Z-1002-03A

7

Spray pressure line connections on front axle suspension strut (1) with leak detection spray

Leak detection spray for China

*BR00.45-Z-1006-03A

Leak location spray LUBRION article no. 626.04

*BR00.45-Z-1005-03A

Leakage detection spray for USA

*BR00.45-Z-1004-03A

Snoop Leak detection fluid

*BR00.45-Z-1003-03A

Leak detection spray

*BR00.45-Z-1002-03A

8

Spray pressure line connections at rear axle air spring (2) with leak detection spray

Leak detection spray for China

*BR00.45-Z-1006-03A

Leak location spray LUBRION article no. 626.04

*BR00.45-Z-1005-03A

Leakage detection spray for USA

*BR00.45-Z-1004-03A

Snoop Leak detection fluid

*BR00.45-Z-1003-03A

Leak detection spray

*BR00.45-Z-1002-03A

9

Spray pressure line connection on AIR BODY CONTROL central reservoir (3) with leak detection spray

Model 257.361
with code 489 (AIR BODY CONTROL)

Leak detection spray for China

*BR00.45-Z-1006-03A

Leak location spray LUBRION article no. 626.04

*BR00.45-Z-1005-03A

Leakage detection spray for USA

*BR00.45-Z-1004-03A

Snoop Leak detection fluid

*BR00.45-Z-1003-03A

Leak detection spray

*BR00.45-Z-1002-03A

10

Spray leak detection spray onto area around dust boots at top and bottom of right and left front axle suspension strut (1)

Leak detection spray for China

*BR00.45-Z-1006-03A

Leak location spray LUBRION article no. 626.04

*BR00.45-Z-1005-03A

Leakage detection spray for USA

*BR00.45-Z-1004-03A

Snoop Leak detection fluid

*BR00.45-Z-1003-03A

Leak detection spray

*BR00.45-Z-1002-03A

11

Spray leak detection spray onto area around dust boots at top and bottom of right and left rear axle air spring (2)

Leak detection spray for China

*BR00.45-Z-1006-03A

Leak location spray LUBRION article no. 626.04

*BR00.45-Z-1005-03A

Leakage detection spray for USA

*BR00.45-Z-1004-03A

Snoop Leak detection fluid

*BR00.45-Z-1003-03A

Leak detection spray

*BR00.45-Z-1002-03A

12

Check sprayed areas for leak tightness

 Wait approx. 10 to 15 min after spraying. This allows smaller leaks to be detected (bubbles form). Larger leaks are visible immediately.

In the event of leakage



Replace or repair corresponding components.

Remove/install AIR BODY CONTROL central reservoir (3)
Model 257.361
with code 489 (AIR BODY CONTROL)

AR32.22-P-2023FR

Remove/install front axle suspension strut (1)

AR32.25-P-1017FRA

Remove/install rear axle air spring (2)

AR32.22-P-1500FR

Remove/install AIR BODY CONTROL compressor (A9/1)

AR32.22-P-2001FR

Remove/install AIR BODY CONTROL valve unit (Y36/6)

AR32.22-P-2015FR

Repair supply line connection for air suspension

AR32.22-P-2001-01FR

 Pressure line to compressor/valve unit (P)

*BA32.22-P-1004-03I

 Pressure line for air suspension on front axle/rear axle to valve unit

*BA32.22-P-1005-03I

 Pressure line to air suspension

*BA32.22-P-1006-03I

 Pressure line to pressure reservoir/valve unit (SP)

*BA32.22-P-1008-03I

 Box wrench bit

*001589000300

 Box wrench bit

*140589000300

 Knife

*000589122800



Install

13

Fasten front right fender liner in area of bumper

Model 257.361
with code 489 (AIR BODY CONTROL)

AR88.10-P-1301FR

14

Fasten front left fender liner in area of bumper

AR88.10-P-1301FR

15

Install front engine compartment paneling

AR61.20-P-1105FR

16

Install cover (4) and cover (5)

 Air suspension

Number

Designation

Model 257

BA32.22-P-1004-03I

Pressure line to compressor/valve unit (P)

Nm

3,5

 Air suspension

Number

Designation

Model 257

BA32.22-P-1005-03I

Pressure line for air suspension on front axle/rear axle to valve unit

Nm

2

 Air suspension

Number

Designation

Model 257

BA32.22-P-1006-03I

Pressure line to air suspension

Nm

2

 Air suspension

Number

Designation

Model 257

BA32.22-P-1008-03I

Pressure line to pressure reservoir/valve unit (SP)

Nm

3,5

Repair materials

Number

Designation

Order number

BR00.45-Z-1002-03A

Leak detection spray

Christof Fischer GmbH
www.kaeltefischer.de

BR00.45-Z-1003-03A

Snoop Leak detection fluid

Swagelok Company
www.swagelok.com

BR00.45-Z-1004-03A

Leakage detection spray for USA

LIQUI MOLY
www.liqui-moly.com

BR00.45-Z-1005-03A

Leak location spray LUBRION article no. 626.04

WIMMER CHEMOTECHNIK
Riedener Weg 50B
82319 STARNBERG, BAYERN
Telephone: (08151) 739981
Fax: (08151) 739982
www.lubrion.com

BR00.45-Z-1006-03A

Leak detection spray for China

Würth (China) Co., Ltd
www.wuerth.cn