Slight Vibration Felt Between 40-60 MPH (Steel Wheels P22 Only) - keywords AIC3337 AIC3337A 40 high highway in intermittent light road slow speed steering tire

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Some customers may complain about a vibration from the vehicle when driving above 40mph. The vibration may be noticed in the floor pan/seat but is most likely noticed in the steering wheel.

Important: This is for RPO P22 Steel wheel option (ONLY)

Follow SI instructions for Vibration Analysis starting with Doc ID 1578739. If vibration concern is still present after checking for wheel balance, radial and lateral run-out on both tire and wheel and elimination of flat spotting of tires please contact Technical Assistance and reference this PI for further diagnosis.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.