Division 5.3 Suspension systemX1
United Kingdom
| 5.3.1. Springs and stabiliser | Visual inspection with vehicle over a pit or on a hoist. Wheel play detectors may be used and are recommended for vehicles having a maximum mass exceeding 3,5 tonnes | (a) Insecure attachment of springs to chassis or axle. | X | ||
| Relative movement visible. fixings very seriously loose. | X | ||||
| (b) A damaged or fractured spring component. | X | ||||
| Main spring (-leaf), or additional leafs very seriously affected. | X |
| Item | Method | Reasons for failure | Assessment of deficiencies | ||
|---|---|---|---|---|---|
| Minor | Major | Dangerous | |||
| (c) Spring missing | X | ||||
| Main spring (-leaf), or additional leafs very seriously affected. | X | ||||
| (d) Unsafe modification 3 | X | ||||
| Insufficient clearance to other vehicle parts; spring system inoperative. | X | ||||
| 5.3.2. Shock absorbers | Visual inspection with vehicle over a pit or on a hoist or using special equipment, if available. | (a) Insecure attachment of shock absorbers to chassis or axle. | X | ||
| Shock absorber loose. | X | ||||
| (b) Damaged shock absorber showing signs of severe leakage or malfunction. | X | ||||
| 5.3.2.1. efficiency testing of damping (X) 2 | Use special equipment and compare left/right differences | (a) Significant difference between left and right. | X | ||
| (b) Given minimum values not reached. | X | ||||
| 5.3.3. Torque tubes, radius arms, wishbones and suspension arms | Visual inspection with vehicle over a pit or on a hoist. Wheel play detectors may be used and are recommended for vehicles having a maximum mass exceeding 3,5 tonnes | (a) Insecure attachment of component to chassis or axle. | X | ||
| Likelihood of loosening; directional stability impaired. | X | ||||
| (b) A damaged or excessively corroded component. | X | ||||
| Stability of component affected or component fractured. | X | ||||
| (c) Unsafe modification 3 . | X | ||||
| Insufficient clearance to other vehicle parts; system inoperative. | X | ||||
| Item | Method | Reasons for failure | Assessment of deficiencies | ||
|---|---|---|---|---|---|
| Minor | Major | Dangerous | |||
| 5.3.4. Suspension joints | Visual inspection with vehicle over a pit or on a hoist. Wheel play detectors may be used and are recommended for vehicles having a maximum mass exceeding 3,5 tonnes | (a) Excessive wear in swivel pin and/or bushes or at suspension joints. | X | ||
| Likelihood of loosening; directional stability impaired. | X | ||||
| (b) Dust cover severely deteriorated. | X | ||||
| Dust cover missing or fractured. | X | ||||
| 5.3.5. Air suspension | Visual inspection | (a) System inoperable. | X | ||
| (b) Any component damaged, modified or deteriorated in a way that would adversely affect the functioning of the system. | X | ||||
| Functioning of system seriously affected. | X | ||||
| (c) Audible system leakage. | X | ||||