MOT defects: Sub-frame
Suspension
10 defects: 6 dangerous, 4 major. 3 can be given as an advisory instead.
| Certificate wording | Severity | As an advisory | Inspection manual |
|---|---|---|---|
| Sub-frame insecure and impairing directional stability | dangerous | None | A suspension component missing, likely to become detached or directional stability impaired |
| Sub-frame likely to become detached | dangerous | None | A suspension component missing, likely to become detached or directional stability impaired |
| Sub-frame fractured | dangerous | None | A suspension component fractured or likely to fail |
| Sub-frame likely to fail | dangerous | None | A suspension component fractured or likely to fail |
| Sub-frame modified so the suspension is inoperative | dangerous | None | A suspension component modified so that the suspension is operative or likely to fail |
| Sub-frame modified so the suspension is likely to fail other components | dangerous | None | A suspension component modified so that the suspension is operative or likely to fail |
| Sub-frame insecurely attached | major | None | A suspension component insecurely attached to chassis or axle |
| Sub-frame corroded and seriously weakened | major | corroded but not seriously weakened | A suspension component excessively damaged or corroded |
| Sub-frame damaged and seriously weakened | major | damaged but not seriously weakened | A suspension component excessively damaged or corroded |
| Sub-frame has an unsafe modification | major | modified but not seriously weakened | A suspension component with an unsafe modification |
Other parts in Suspension
- Accumulator (5)
- Bellows (5)
- Levelling valve (5)
- Operation (Suspension) (1)
- Other components (Suspension) (1)
- Pipes (5)
- Suspension unit (5)
- Anti-roll bar (11)
- Attachment bracket and mounting (Anti-roll bars) (11)
- Ball joint (Anti-roll bars) (2)
- Ball joint dust cover (Anti-roll bars) (3)
- Linkage (Suspension) (9)
- Linkage attachment bracket and mounting (2)
- Linkage ball joint dust cover (3)
- Linkage ball joints (2)
- Linkage pins and bushes (2)
- Pins and bushes (Anti-roll bars) (2)
- Axle (12)
- King pins (2)
- Stub axle (4)
- Swivel joints/housing (2)
- Swivel pins and bushes (3)
- Component mounting prescribed areas (8)
- Attachment bracket and mounting (Macpherson strut) (10)
- Ball joint (Macpherson strut) (2)
- Ball joint dust cover (Macpherson strut) (3)
- Macpherson strut (12)
- Pins and bushes (Macpherson strut) (2)
- Attachment bracket and mounting (Other suspension component) (10)
- Ball joint (Other suspension component) (2)
- Ball joint dust cover (Other suspension component) (3)
- Other suspension component (11)
- Pins and bushes (Other suspension component) (2)
- Shock absorbers (8)
- Attachment bracket (Bonded suspension units) (7)
- Bonded suspension unit (5)
- Coil spring (8)
- Mounting (5)
- Anchor bracket (5)
- Anchor pins and bushes (2)
- Fixings and fixing bolts (3)
- Leaf spring (7)
- Shackle bracket (5)
- Shackle pins and bushes (2)
- Spring saddle (3)
- Spring mounting prescribed areas (8)
- Attachment bracket (Torsion bars) (6)
- Torsion bar (9)
- Attachment bracket and mounting (Sub-frames) (9)
- Ball joint (Sub-frames) (2)
- Ball joint dust cover (Sub-frames) (3)
- Pins and bushes (Sub-frames) (2)
- Sub-frame mounting prescribed areas (8)
- Attachment bracket and mounting (Suspension arms) (12)
- Ball joint (Suspension arms) (2)
- Ball joint dust cover (Suspension arms) (3)
- Pins and bushes (Suspension arms) (2)
- Suspension arm (12)
- Attachment bracket and mounting (Suspension rods) (9)
- Ball joint (Suspension rods) (2)
- Ball joint dust cover (Suspension rods) (3)
- Pins and bushes (Suspension rods) (2)
- Suspension rod (13)
- Wheel bearings (5)
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