AR32.31-P-0650TX | Remove/install level control valve unit | 2.5.06 |
MODEL 219.3 with CODE (489) Aromatic (semi-active air suspension)
P32.22-2319-06
1 Electrical connector
2 Electrical connector
3 Bolts
B7 AIRmatic pressure sensor
Y36/6 AIRmatic central reservoir charge valve
Pressure line connections:
RA to rear axle distributor unit
P to AIRmatic compressor unit
SP to central reservoir
VL to left front suspension strut
FR to right front suspension strut
| Remove/install | ||
1 | Empty AIRmatic system using STAR DIAGNOSIS | STAR DIAGNOSIS diagnosis system | |
| Special information on AIRmatic | ||
2.1 | Remove front section of engine compartment paneling | Vehicles with gasoline engines | |
2.2 | Remove front section of bottom section of soundproofing | Vehicles with diesel engines | |
3 | Remove front section of fender liner in left front fender | ||
4 | Disconnect electrical connector (1) from AIRmatic pressure sensor (B7) | ||
5 | Disconnect electrical connector (2) from AIRmatic central reservoir charge valve (Y36/6) | ||
6 | Mark and disconnect pressure line connections (HA, P, SP, VL, VR) | To ensure flawless performance from the suspension observe the routing of the pressure lines. | |
Seal off pressure lines with blind plugs for the duration of the repair work. | |||
Installation: Before assembly, damaged pressure line connections (HA, P, SP, VL, VR) or damaged pressure lines must be repaired. | |||
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7 | Unscrew bolts (3) and remove AIRmatic central reservoir charge valve (Y36/6) | | |
8 | Install in the reverse order | ||
9 | Fill AIRmatic system using STAR DIAGNOSIS | During charging the wheels should not be in contact with the ground, as the spring elements in the air spring bellows would be destroyed if pressurized with the suspension compressed. | |
10 | Check AIRmatic for leaks. |
Air suspension
Number | Designation | Model 219 with AIRmatic code 489 | ||
BA32.22-P-1006-03A | Pressure line of air suspension to valve unit | Nm | 2 | |
BA32.22-P-1008-03A | Bolt of valve unit to bracket | Nm | 8 | |
Wrench socket
211 589 00 09 00
Commercially available tools
Referenced documents
- ah3222p100002t Notes on AIRmatic
- ar3222p200102tx Repairing AIRmatic pressure line connection
- ar3222p8100tx Check AIRmatic for leaks
- ar6120p1105tx Remove and install bottom engine compartment paneling
- ar8810p1310tx Remove/install fender liner front section in front fender
- ar9430p5300tx Remove/install bottom parts of noise encapsulation