Suspension, Wheels And Tires Symptom Diagnosis

SUSPENSION, WHEELS AND TIRES DIAGNOSTIC CHART

Condition	Possible Cause	Action
Vehicle pulls (Leads)	Mismatched or uneven tires	Replace tires .
	Tires not adequately inflated	Adjust tire pressure .
	Broken or sagging coil springs	Replace coil springs .
	Radial tire lateral force	Replace tire .
	Disturbed wheel alignment	Check and adjust wheel alignment .
	Brake dragging in one road wheel	Repair brake .
	Loose, bent or broken front or rear suspension parts	Tighten or replace related suspension parts .
Abnormal or excessive tire wear	Sagging or broken coil spring	Replace coil spring .
	Tire out of balance	Adjust balance or replace tire .
	Disturbed wheel alignment	Check and adjust wheel alignment .
	Faulty strut (shock absorber)	Replace strut (shock absorber) .
	Hard driving	Replace tires .
	Overloaded vehicle	Replace tires .
	Not rotated tires	Replace or rotate tires .
	Worn or loose wheel bearing	Replace wheel bearing .
	Wobbly wheel or tire	Replace wheel or tire .
	Tires not adequately inflated	Adjust tire pressure .
Wheel tramp	Blister or bump on tire	Replace tire .
Wheel tramp	Improper strut (shock absorber) action	Replace strut (shock absorber) .
Shimmy, shake or vibration	Tire or wheel out of balance	Balance wheel or replace tire and/or wheel .
	Loosen wheel bearings	Replace wheel bearings .
	Worn tie-rod ends	Replace tie-rod ends .
	Worn lower ball joints	Replace front suspension control arm .
	Excessive wheel runout	Repair or replace wheel and/or tire .
	Blister or bump on tire	Replace tire .
	Excessively loaded radial runout of tire/wheel assembly	Replace tire or wheel .
	Disturbed wheel alignment	Check and adjust wheel alignment .
	Loose or worn steering linkage	Tighten or replace steering linkage .
	Loose steering gear case bolts	Tighten steering gear case bolts .
Abnormal noise, front end	Worn, sticky or loose tie-rod ends, lower ball joints, tie-rod inside ball joints or drive shaft joints	Replace tie-rod end, suspension arm, tie-rod or drive shaft joint .
	Damaged struts or mountings	Repair or replace struts or mountings .
	Worn suspension arm bushings	Replace suspension arm bushings .
	Loose stabilizer bar	Tighten bolts or nuts and/or replace bushes .
	Loose wheel bolts	Tighten wheel bolts .
	Loose suspension bolts or nuts	Tighten suspension bolts or nuts .
	Broken or damaged wheel bearings	Replace wheel bearings .
	Broken suspension springs	Replace suspension springs .
	Poorly lubricated or worn strut bearings	Replace strut bearing .
	Malfunction of Power Steering System	Check and correct malfunction .
Low or uneven trim height NOTE: See NOTE *1.	Broken or sagging coil springs	Replace coil springs .
	Over loaded	Check loading .
	Incorrect coil springs	Replace coil spring .
	Tires not adequately inflated	Adjust tire pressure .
Ride too soft	Faulty strut (shock absorber)	Replace strut (shock absorber) .
Suspension bottoms	Overloaded	Check loading .
	Faulty strut (shock absorber)	Replace strut (shock absorber) .
	Incorrect, broken or sagging coil springs	Replace coil spring .
Body leans or sways in corners	Loose stabilizer bar	Tighten stabilizer bar bolts or nuts, or replace bushes .
	Faulty strut (shock absorber) or mounting	Replace strut (shock absorber) or tighten mounting .
	Broken or sagging coil springs	Replace coil springs .
	Overloaded	Check loading .
Cupped tires	Front struts defective	Replace struts .
	Worn wheel bearings	Replace wheel bearings .
	Excessive tire or wheel run-out	Replace tire and/or wheel .
	Worn ball joints	Replace front suspension control arm .
	Tire out of balance	Adjust tire balance .
NOTE: *1: Right-to-left trim height ("H") difference should be within 15 mm (0.6 in.) with curb weight. (same with rear side.)