Vibration At Highway Speeds

This problem could be a result of:

• Foreign material (mud, etc.) packed on the backside of the wheel(s).
• Out of balance tires or wheels. Refer to Tires and Wheels - Standard Procedure
• A worn intermediate shaft bearing (AWD Models).
• Improper tire and/or wheel runout due to a bent rim or damaged tire. Refer to Tires and Wheels - Diagnosis and Testing