Remove/Install Air Spring - AR32.22-P-1500LWX
Model 253.388/389/988/989 with code 489 (AIR BODY CONTROL)
MODIFICATION NOTES
| 08.08.2017 | Remove/install cover under spring link, added. | Operation step 8, 22 | |
| 23.05.2019 | Pressure line to rear air suspension/valve unit | Model 253 | BA32.22-P-1005-03G |
Shown on left side of vehicle
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | AS00.00-Z-0010-01A | |
| Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | ||
| Notes on repair work on suspension components | AH00.00-P-0100-01A | ||
| Notes on AIRMATIC | AH32.22-P-1000-02LW | ||
| Remove | |||
| 1 | Remove rear wheel | AR40.10-P-1102A | |
| 2 | Relieve pressure from air spring (4) using vehicle diagnosis system | ||
| AD00.00-P-2000-04B | |||
| 3 | Switch off ignition and store transmitter key outside of transmission range (at least 2 m) | ||
| 4 | Release fender liner at rear in area of electrical connectors (1) and push to one side | AR88.10-P-1400LW | |
| 5 | Separate electrical connections (1) | ||
| 6 | Unhook electric lines (2) from holder and place to one side | ||
| 7 | Remove pressure line (5) from air spring (4) and seal openings with suitable stop plugs | Fig 4 | |
| Fig 3 | |||
| 8 | Remove cover under the spring link (6) | ||
| 9 | Unhook electrical line (8) from holder (9) | ||
| 10 | Disconnect electrical connector (3) | ||
| 11 | Carefully pull air spring (4) downwards by its upper plastic frame until the air spring (4) releases from the retaining clip | Otherwise the air spring (4) may be damaged. |
|
| 12 | Remove air spring (4) downwards | Otherwise the protective boot of the air spring (4) will be damaged. |
|
| 13 | Remove retaining clip | AR32.22-P-1500-02EW | |
| Check | |||
| 14 | Check condition of air spring (4) | Otherwise the movement of the spring will damage the spring bellows on the inside. If a problem arises ↓ Replace air spring (4). |
|
| Install | |||
| 15 | Install new retaining clip | AR32.22-P-1500-02EW | |
| 16 | Position the air spring (4) with the air spring centering (arrow) onto the spring link (6) | Otherwise the air spring (4) may be damaged. |
|
| 17 | Position air spring (4) on retaining clip and latch into place | Otherwise the air spring (4) may be damaged. |
|
| 18 | Connect electrical connection (3) | ||
| 19 | Hook electrical line (8) into holder (9) | ||
| 20 | Remove all stop plugs | ||
| 21 | Mount pressure line (5) to air spring (4) | Otherwise, leaks will occur. |
|
| *BA32.22-P-1005-03G | |||
| Fig 4 | |||
If the thread is damaged ↓ Repair connection for pressure line (5). |
Fig 1 | ||
| AR32.22-P-2001-01LW | |||
| Fig 2 | |||
| 22 | Install cover under the spring link (6) | ||
| 23 | Hook electric lines (2) into holder | ||
| 24 | Connect electrical connections (1) | ||
| 25 | Install fender liner at rear | AR88.10-P-1400LW | |
| 26 | Install rear wheel | AR40.10-P-1102A | |
| 27 | Build up pressure in air spring (4) using vehicle diagnosis system | ||
| AD00.00-P-2000-04B | |||
| 28 | Check AIRMATIC for leaks | AR32.22-P-8100LW |
AIR SUSPENSION
| Number | Designation | Model 253 | |
|---|---|---|---|
| BA32.22-P-1005-03G | Pressure line to rear air suspension/valve unit | Nm | 2 |