Power Steering Pump Failure
SeriousSteeringThe electro-hydraulic pump can overheat, run continuously, and eventually fail, sometimes damaging wiring or flattening the battery.
Most affected: One, Cooper, Cooper S
Typical symptoms
- •High-pitched whine from the front left
- •Heavy steering after parking manoeuvres
- •Cooling fan running after the engine is off
What to inspect before you buy
- ✓Listen with the bonnet open after a drive
- ✓Check whether the revised cooling fan and pump have been fitted
- ✓Inspect battery voltage because low voltage can make the system behave oddly