Symptom Chart

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
Inner edge/shoulder wear	Excessive toe-out and/or negative camber	Go to Pinpoint Test A .
	Incorrect wheel and tire assembly rotation intervals	Go to Pinpoint Test A .
	High-speed cornering	Go to Pinpoint Test A .
Outer edge/shoulder wear	Excessive toe-in and/or positive camber	Go to Pinpoint Test B .
	Incorrect wheel and tire assembly rotation intervals	Go to Pinpoint Test B .
	High-speed cornering	Go to Pinpoint Test B .
Heel/toe wear	Excessive toe-in/out Incorrect wheel and tire assembly rotation intervals	ROTATE the wheel and tire assemblies. CHECK the alignment, ADJUST as necessary.
Diagonal wear	Excessive toe-in/out	Go to Pinpoint Test C .
	Incorrect tire rotation intervals	Go to Pinpoint Test C .
	Loose, worn or damaged suspension components	REFER to SUSPENSION SYSTEM - GENERAL INFORMATION article.
Wobble or shimmy	Damaged wheel bearings Loose or damaged suspension components	REFER to SUSPENSION SYSTEM - GENERAL INFORMATION article.
	Bent wheel	INSTALL a new wheel as necessary.
	Damaged tire	INSTALL a new tire as necessary.
	Loose wheel nuts	TIGHTEN to specification.
High-speed shake	Tires/wheels	REFER to Wheel and Tire Runout Component Test in this article.
	Wheel bearings Suspension/steering linkage Engine Transmission Brake discs/imbalance	REFER to NOISE, VIBRATION AND HARSHNESS article.
Vehicle vibration	Tires/wheels	REFER to Wheel and Tire Runout Component Test in this article
	Driveline - engine	REFER to NOISE, VIBRATION AND HARSHNESS article.