Checking Shock Absorber - AR32.25-P-0121ME
Model 167
MODIFICATION NOTES
| 13.03.2020 | Document completely revised. |
| Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. | AS00.00-Z-0001-01A | |
| Topical note | Notes on air suspension | AH32.22-P-1000-01T | |
| Evaluation of elastomer bearings | AH00.10-P-0001-01A | ||
| Notes on repair work on suspension components | AH00.00-P-0100-01A | ||
| Check | |||
| 1 | Lift vehicle with vehicle lift. | AR00.60-P-1006A | |
| 2 | Check front and rear suspension struts or shock absorbers for external oil leakage. | If there is a problem, ↓ replace front suspension struts or shock absorbers. |
|
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) Model 167 with code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) |
AR32.25-P-1017ME | ||
| Model 167 with code 489 (AIRMATIC) with code 490 (Electrohydraulic suspension) |
AR32.25-P-1017MEH | ||
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) If there is a problem, ↓ Replace rear shock absorbers. |
AR32.25-P-1018ME | ||
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) Model 167 with code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) |
AR32.25-P-0110ME | ||
| Model 167 with code 489 (AIRMATIC) with code 490 (Electrohydraulic suspension) |
AR32.25-P-0110MEH | ||
| 3 | Check shutoff valves and hydraulic connections on front suspension struts and rear shock absorbers for leaks. | Model 167 with code 489 (AIRMATIC) with code 490 (Electrohydraulic suspension) If leaks are found, ↓ replace affected suspension struts or shock absorbers. |
|
| Remove/install the suspension strut Model 167 with code 489 (AIRMATIC) with code 490 (Electrohydraulic suspension) |
AR32.25-P-1017MEH | ||
| Remove/install rear shock absorber Model 167 with code 489 (AIRMATIC) with code 490 (Electrohydraulic suspension) |
AR32.25-P-0110MEH | ||
| 4 | Check elastomer bearings of rear shock absorbers. | ||
| If there is a problem, ↓ Replace rear shock absorbers. |
|||
| Model 167 with code 489 (AIRMATIC) with code 490 (Electrohydraulic suspension) |
AR32.25-P-0110MEH | ||
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) Model 167 with code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) If no problems were detected and no further damage is suspected, ↓ Conclude work and lower vehicle with vehicle lift. |
AR32.25-P-0110ME | ||
| AR00.60-P-1006A | |||
| Remove | |||
| 5 | Remove and disassemble front suspension strut. | If damage is suspected which cannot be seen in installed condition. | |
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) |
AR32.25-P-1018ME | ||
| 6 | Remove rear shock absorbers. | If damage is suspected which cannot be seen in installed condition. | |
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) Model 167 with code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) |
AR32.25-P-0110ME | ||
| Check | |||
| 7 | Check piston rod for surface damage, corrosion, bending and unobstructed movement in pilot bushings. | If removed. If there is a problem, ↓ Replace front shock absorbers. |
|
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) If there is a problem, ↓ Replace rear shock absorbers. |
AR32.25-P-1018ME | ||
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) Model 167 with code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) |
AR32.25-P-0110ME | ||
| Install | |||
| 8 | Install rear shock absorbers. | If removed. | |
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) Model 167 with code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) |
AR32.25-P-0110ME | ||
| 9 | Assemble and install front suspension strut. | If removed. | |
| Model 167 except code 489 (AIRMATIC) except code 490 (Electrohydraulic suspension) |
AR32.25-P-1018ME |