Quick answer
If the steering rack is loose, leaking badly, worn internally or has split gaiters exposing components, it may fail the MOT.
Steering defects are treated seriously because they directly affect control of the vehicle.
Common MOT failure reasons
Excessive play
Free play or looseness in steering movement.
Fluid leaks
Hydraulic power steering leaks from rack seals.
Split gaiters
Damaged rack boots allowing dirt inside.
Loose mountings
Rack not securely attached to vehicle.
Heavy steering
Faults causing restricted or unsafe steering.
Unsafe condition
Any issue reducing steering safety.
Signs a steering rack may be worn
- !Knocking through steering.
- !Fluid under front of car.
- !Steering feels vague.
- !Heavy or inconsistent steering.
- !Visible split gaiters.
Should you repair before MOT?
Yes. Steering faults can quickly lead to MOT failure and may be unsafe to ignore.
Sometimes only outer components need repair, but internal rack wear may require replacement or refurbishment.
Related steering guides
Frequently asked questions
Will a leaking rack fail MOT?
It can, especially if severe or affecting steering.
Are split rack gaiters serious?
Yes, they allow contamination and wear.
Can steering play fail MOT?
Yes, excessive play often can.
Is rack replacement expensive?
Costs vary widely by vehicle type.