48

CHASSIS AND BODY MAINTENANCE

iition.

.Checking Tire Condition (Cont'd).

.Tire Rotation.

ear

ies.

Abnormal tire wear

-iicator<;Correct abnormal tire wear according to the chart •shown below.

Radial Tire

Right front

Condition

Probable cause

Corrective action

•lad

Shoulder wear

•    Underinflation (both sides wear)

•    Incorrect Wheel camber (one side wear)

•    Hard cornering

•    Lack of rotation

•    Measure and ad-just pressure.

•    Repair, or replace axle and suspen-sion parts.

•    Reduce speed

•    Rotate tires.

Right rear

Left front

Left rear

4-WHEELS

SMA650B

WH024

^!<s, holes,

Center wear

Feathered edge

•    Owerinflation

•    Lack of rotation

•    Measure and adjust pressure.

•    Rotate tires.

’ I ncorrect toe

• Adjust toe-in.

A 539A

Toe-in or toe-out wear

Uneven wear

•    Incorrect C3moer or caster

•    Malfunctioning suspension

•    Unbalanced wheel

•    Out-of-round brake drum

•    Other mecnanical conditions

•    Lack of rotation

« Repair, or rep.ace axle and suspension parts.

•    Repair, replace or. if necessary, reinstall.

•    Balance or replace.

•    Correct or replace.

•    Correct or replace.

•    Rotate tires.

1.

S

SMA063