Symptom Chart

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. 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	ADJUST air pressure in tires.
	Vehicle overloaded	RETURN vehicle. NOTIFY customer of overload condition.
	High-speed cornering	RETURN vehicle. NOTIFY customer of cause of condition.
	Incorrect wheel alignment	SET toe to specification. REFER to SUSPENSION SYSTEM-GENERAL INFORMATION .
Tires show excess wear in center of tread	Tires overinflated	ADJUST air pressure.
Other excessive tire wear problems	Incorrect tire pressure	ADJUST pressure.
	Loose or leaking shock absorbers	TIGHTEN or INSTALL new as necessary.
	Front end out of alignment	ALIGN front end. REFER to SUSPENSION SYSTEM-GENERAL INFORMATION .
	Front wheel bearings out of adjustment	REFER to SUSPENSION SYSTEM-GENERAL INFORMATION for inspection procedure.
	Loose, worn or damaged suspension components	REFER to SUSPENSION SYSTEM-GENERAL INFORMATION .
	Wheel and tire assembly out of balance	BALANCE wheel and tire assembly.
	Excessive lateral or radial runout of wheel or tire	REFER to NOISE, VIBRATION & HARSHNESS .
	Incorrect tire rotation intervals	ADVISE customer of condition.
Wobble or shimmy	Damaged wheel bearings	REFER to SUSPENSION SYSTEM-GENERAL INFORMATION .
	Loose or damaged suspension components	INSTALL new as necessary.
	Bent wheel	INSTALL new as necessary.
	Damaged tire	INSTALL new as necessary.
	Loose wheel nuts	TIGHTEN to specification.
High-speed shake	Wheel hub face/pilot/bolt circle runout Tires/wheels Wheel bearings Suspension/steering linkage Engine Transmission Brake disc	REFER to NOISE, VIBRATION & HARSHNESS .
Vehicle vibration	Driveline - engine Tires	REFER to NOISE, VIBRATION & HARSHNESS .