204-03-6 Wheels and Tyres 204-03-6
DIAGNOSIS AND TESTING (CONTINUED)
E1076 EN 07/2001 2002 Bantam
Condition
Possible Sources
Action
• Wobble or shimmy affecting
wheel run out
• Damaged wheel (eventually
damages front wheel bearing
outer cone and roller bearings
and causes uneven tyre wear).
• INSPECT wheel rims for dents.
INSTALL new parts as neces-
sary.
• Excessive vehicle vibration,
rough steering
• Loose suspension components. • TIGHTEN or INSTALL new
parts.
• Vehicle vibrations from wheels
and tyres
• Inflation pressure too high or
low.
• ADJUST air pressure in tyres.
• Wheel or tyre imbalance. • BALANCE wheel and tyre
assembly.
• Uneven tyre wear. • INSTALL new tyre if necessary
to correct vibration.
• Brake disc imbalance. • CHECK brake disc fins for mud
or debris. If no damage or debris
is seen, brake disc may have a
heavy spot.
REFER to Section 206-00.
• Water in tyres. • REMOVE water.
• Bent wheel. • INSTALL new wheel. Attempts
to straighten a wheel can cause
fractures in the wheel and
weaken wheel strength.
• Incorrectly seated tyre bead. • SPIN wheel on vehicle.
EXAMINE area where the tyre
and the wheel meet. If that sec-
tion of the tyre appears to waver
while being rotated, the tyre
bead may not be seated on the
wheel. REMOVE the tyre and
CLEAN bead seat areas on both
wheel and tyre.
• Excessive radial run out of
wheel or tyre.
• Use a dial indicator gauge to
check the radial run outs of both
the wheel and the tyre. If either
the wheel or tyre is out of speci-
fication CHECK the radial run
out of the wheel stud. When
components are out of specifica-
tion INSTALL new components.
• Loose or damaged wheel stud,
wheel nut or enlarged stud
holes.
• TIGHTEN or INSTALL new
parts as necessary.
• Debris between wheel mounting
face and hub mounting surface.
• CLEAN mounting surfaces.
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