D : Wheel End Vibration Analysis

D1 : Inspect the Tires

1. Inspect the tires.
Raise and support the vehicle.
inspect the tires for:
correct tire size
tire/wheel compatibility
wear or damage
tire beads correctly seated

Are the tires OK?

Yes
Go to D2

No
INSPECT the wheels.

D2 : Inspect the Wheel Bearings

1. Inspect the wheel bearings.

Are the wheel bearings OK?

Yes
Go to D3

No
REPAIR as necessary. REPEAT the Road Test as outlined.

D3 : Inspect the Rear Wheel Axleshaft Joint Boots

1. Inspect the rear wheel axleshaft joint boots.
spin the rear tire by hand
inspect for evidence of cracks, tears, splits or splattered grease

Are the rear wheel axles haft joint boots OK?

Yes
Go to D4

No
REPAIR as necessary. REPEAT the Road Test as outlined.

D4 : Inspect Wheel and Tire Runout

1. Inspect the wheel and tire runout.
Carry out the Wheel and Tire Check procedure.

Is the wheel and tire runout OK?

Yes
Balance the wheels and tires. Refer to the wheel balance equipment manufacturers instructions.

No
REPAIR as necessary. REPEAT the Road Test as outlined.