FRONT SUSPENSION 3C-63
8. EXCESSIVELY OR PARTIALLY WORN TIRE
Checkpoint Trouble Cause Countermeasure
Brake adjustment
Wheel alignment
Adjust
Adjust
Incorrect
Incorrect
Front wheel bearingReplace
Adjust
Faulty
Improper
OK
NG NG NG NG
OK OKTire pressure
Tire rotationRotate tires at recomended
intervalsNot rotated OK
NG
3E-10 WHEELS AND TIRES
TROUBLESHOOTING
Typical examples of abnormal tire tread wear and major causes :
CAUTION:
Similar wear patterns can be caused by worn suspension parts, misalignment of wheels and tires, and
other suspension related problems.
Spotty wear - wear localized
on shoulder section. In
extreme cases, the tire
becomes polygonal in shape.
Tire or wheel out of
round or distorted.Hub or knuckle out
of round or distorted.Play in hub bearings
or ball joints.Rotating parts out of
balance.
Tread wear one-sided.
Rotating parts out of
balance.Tire or wheel out of
round.Hub or knuckle out
of round or distorted.
Localized tread wear.
Once spotty wear develops in
tread due to hard braking or
abrupt starting, localized wear
tends to be accelerated.
