Isuzu 2000 Trooper Workshop Manual page 283

Localized tread wear.
1. Once spotty wear develops in tread due to hard
braking or abrupt starting, localized wear tends to be
promoted.
Shoulder wear (generally wear develops in outer
shoulder):
1. Camber or toe-in incorrect.
2. Shoulder wear caused by repeated hard-cornering.
WHEEL AND TIRE SYSTEM
Wear in shoulders at points opposed to each other.
480RW004
1. Tire or wheel out of round or distorted.
2. Play in bearings or ball joint.
Premature wear in shoulders.
1. Flexing of tire excessive due to under-inflation.
480RW005
3E–7
480RW006
480RW007