300Tdi Defender
74
WHEELS AND TYRES
2
FAULT DIAGNOSIS
FAULT - SYMPTOMS
Vibration through steering wheel
1. Check tyre pressures
See Repair, Tyre
Pressures .
2. Check condition of tyres
See Tyre Wear Chart .
3. Check front wheel alignment
See STEERING,
Adjustment, Front Wheel Alignment .
4. Check wheel balance
See Repair, Wheel
Balancing .
NOTE: In the event that any apparent
vibration is not eliminated at this stage
See PROPELLER SHAFTS, Fault
diagnosis, Vibration Harshness .
NOTE: In the event that any apparent
vibration is not eliminated at this stage, go
to steering Fault Diagnosis, Fault -
Symptom (Steering vibration, road wheel
shimmy/wobble)
See STEERING, Fault diagnosis,
Steering Faults .
NOTE: Radial ply tyres have a flexible
sidewall, which produces a sidewall bulge
making the tyre appear under-inflated.
This is a normal condition for radial ply tyres. Do
not attempt to reduce this bulge by over-inflating
the tyre.
Key to illustration
1. Correct inflation.
2. Under-inflation.
3. Over-inflation.
4. Tread contact with road.
