Symptom Chart

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
Tires show excess wear on edge of tread	Underinflated tires. Vehicle overloaded. High-speed cornering. Incorrect wheel alignment. Incorrect tire rotation intervals.	ADJUST air pressure in tires. RETURN vehicle - NOTIFY customer of overloaded condition. RETURN vehicle - NOTIFY customer of cause of condition. CHECK the wheel alignment. ADJUST as necessary. REFER to WHEEL ALIGNMENT . ADVISE customer of condition. ROTATE tires.
Tires show excess wear in center of tread	Tires overinflated.	ADJUST air pressure.
Other excessive tire wear problems	Incorrect tire rotation intervals. Incorrect tire pressure. Loose or leaking shock absorbers. Incorrect wheel alignment. Loose, worn or damaged suspension components. Wheel and tire assembly out of balance. Excessive lateral or radial runout of wheel.	ADVISE customer of condition. ROTATE tires. ADJUST pressure. TIGHTEN or INSTALL new shock absorbers as necessary. CHECK the wheel alignment. ADJUST as necessary. REFER to WHEEL ALIGNMENT . INSPECT the front suspension and REPAIR or INSTALL new suspension components as necessary. REFER to WHEEL BEARING, HUB, KNUCKLE, UPPER ARM AND LOWER ARM - FRONT , SHOCK ABSORBER AND SPRING ASSEMBLY - FRONT or STABILIZER BAR AND LINK - FRONT . BALANCE wheel and tire assembly. REFER to NOISE, VIBRATION & HARSHNESS .
Wobble or shimmy	Damaged wheel bearings. Loose or damaged suspension components. Bent wheel. Damaged tire. Loose wheel nuts.	REFER to WHEEL BEARING INSPECTION component test. INSPECT the front suspension and REPAIR or INSTALL new suspension components as necessary. REFER to WHEEL BEARING, HUB, KNUCKLE, UPPER ARM AND LOWER ARM - FRONT , SHOCK ABSORBER AND SPRING ASSEMBLY - FRONT or STABILIZER BAR AND LINK - FRONT . INSTALL a new wheel as necessary. INSTALL a new tire as necessary. TIGHTEN the wheel nuts. REFER to WHEEL AND TIRE - FRONT or WHEEL AND TIRE - REAR .
High-speed shake	Wheel hub face/pilot/bolt circle runout. Tires/wheels. Wheel bearings. Suspension/steering linkage. Engine. Transmission. Brake discs/imbalance.	REFER to NOISE, VIBRATION & HARSHNESS .
Vehicle vibration	Driveline - engine. Tires.	REFER to NOISE, VIBRATION & HARSHNESS .