AR32.22-P-2001RT | Remove/install compressor | 3.5.12 |
MODEL 251
with CODE (488) Steel/air suspension
with CODE (489) AIRmatic (air suspension with level adjustment and adaptive damping system ADS )
P32.22-2355-06
Shown on vehicle with code 489 AIRmatic (air suspension with level adjustment and adaptive damping system ADS)
1 Electrical connectors
2 Pressure line
3 Clamp
A9/1 AIRmatic compressor unit
Shown on vehicle with code 489 AIRmatic (air suspension with level adjustment and adaptive damping system ADS)
4 Nuts
A9/1 AIRmatic compressor unit
P32.22-2356-03
Modification notes
| 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. | |
| Notes on AIRmatic | ||
1 | Jack up vehicle until the wheels are clear of the ground | ||
2 | Remove fender liner front section in front fender | Front section of fender liner in right front fender. | |
3 | Separate electrical connectors (1) | ||
4 | Detach pressure line (2) from the AIRmatic compressor unit (A9/1) | Seal off the pressure line (2) using a blind plug for the duration of the repair work. If pressure line connections or pressure lines (2) are damaged: | |
Repair pressure line connection, see Repair AIRmatic pressure line connection. | |||
| |||
Socket wrench bit | |||
Knife | |||
Leak detection spray | |||
for USA | |||
5 | Loosen clamp (3) and seal intake hose | ||
6 | Unscrew nuts (4) and remove AIRmatic compressor unit (A9/1) | | |
7 | Detach AIRmatic relay (K67) | Only when installing a new AIRmatic compressor unit (A9/1). When replacing, the AIRmatic relay should always also be replaced (K67) as the switching contacts may be predamaged. | |
| Relay assignment of fuse and relay box in right engine compartment | ||
8 | Install in the reverse order | ||
9 | Check air suspension for leaks | See Check AIRmatic for leaktightness. |
Air suspension
Number | Designation | Model 251 with all-round level control system | Model 251 without all-round level control system | ||
BA32.22-P-1001-03C | Nut, compressor to bracket | Nm | 3 | 3 | |
BA32.22-P-1002-03C | Pressure line, air suspension to compressor | Nm | 3.5 | 3.5 | |
211 589 00 09 00
Wrench socket
Slitting knife
000 589 12 28 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1002-03A | Leak detection spray | Christof Fischer GmbH, |
BR00.45-Z-1004-03A | Leakage spray for USA | LIQUI MOLY Long Beach, CA 90815 Fax + 1 562 5975269 |
Referenced documents
- ah3222p100002rt Notes on AIRmatic
- ar0060p1000rt Lift/jack up vehicle
- ar3222p200102rt Repairing AIRmatic pressure line connection
- ar3222p8100rt Check AIRmatic for leaks
- ar8810p1310rt Remove/install fender liner front section in front fender
- as0000z001001a Risk of death caused by vehicle slipping or toppling off of the lifting platform.
- gf5415p125702rt Relay assignment of fuse and relay box in right engine compartment