Symptom | Probable cause | Remedy |
Hard steering | Improper front wheel alignment | Correct |
Excessive turning resistance of lower arm ball joint | Replace | |
Flat tire | Adjust | |
No power assist | Repair or replace | |
Poor return of steering wheel to center | Improper front wheel alignment | Correct |
Poor riding | Improper front wheel alignment | Correct |
Damaged shock absorber | Repair or replace | |
Broken or worn stabilizer | Replace | |
Broken or worn coil spring | Replace | |
Worn lower arm bushing | Replace | |
Improper tire inflation pressure | Correct | |
Abnormal tire wear | Improper front wheel alignment | Correct |
Worn shock absorber | Replace | |
Wandering | Improper front wheel alignment | Correct |
Poor turning resistance of lower arm ball joint | Repair | |
Loose or worn lower arm bushing | Retighten or replace | |
Vehicle pulls to one side | Improper front wheel alignment | Correct |
Excessive turning resistance of lower arm ball joint | Replace | |
Broken or worn coil spring | Replace | |
Bent lower arm | Repair | |
Steering wheel shimmy | Improper front wheel alignment | Correct |
Excessive turning resistance of lower arm ball joint | Replace | |
Broken or worn stabilizer | Replace | |
Worn lower arm bushing | Replace | |
Worn shock absorber | Replace | |
Broken or worn coil spring | Replace | |
Bottoming | Broken or worn coil spring | Replace |
Malfunctioning shock absorber | Replace | |
Abnormal sound | Loose parts | Retighten |
Damaged or worn wheel bearings | Replace | |
Faulty shock absorber | Replace damaged parts | |
Defective tire | Replace | |
Poor ride control | Excessive tire pressure | Adjust pressure |
Faulty shock absorber | Replace | |
Loose wheel nuts | Tighten to specified torque | |
Sagging or broken coil spring | Replace | |
Vehicle body tilts to one side | Defective tire | Replace |
Worn bushing | Replace | |
Deformation of torsional axle and arm assembly | Replace | |
Worn bushings | Replace | |
Sagging or broken coil spring | Replace |
WHEEL AND TYPE DIAGNOSIS | ||||
CENTER OF TREAD WORN | BOTH SIDES OF TREAD WORN | CHUNKING OF TIRE | ONE SIDE OF TIRE WORN | |
 |  |  |  |  |
Over-Inflation | Center-tread down to fabric due to excessive over-Inflation | Under-Inflation Bulge at the shoulder Rapid wear | When a patch of tread has loosened, torn off the tire by centrifugal force at high speed | Incorrect camber angle |
WHEEL AND TYPE DIAGNOSIS | ||||
FLAT SPOT | FEATHERING | BAD PLUGGING | UNEVEN TIRE WEAR | TOTALLY UNSAFE TIRE |
 |  |  |  |  |
Caused by high-speed braking hard enough to lock up the wheel | Excessive toe-in toe-out | Using more than one plug in a leak distorts the tread, resulting in carcass failure | Bad wheel balance, fault in suspension, steering gear or bearing | Tread worn below the limit |
