Symptom Chart - Tire Wear

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For suspension system and additional alignment diagnosis, refer to SUSPENSION SYSTEM - GENERAL INFORMATION article.

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. REFER to Wheel and Tire Rotation . 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.