Installation Of The Black Plastic Center Lug Caps - keywords cover hard hub loose nut tire wheel

This PI was superseded to update model years. Please discard PIT4176A.

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

There has been some questions concerning the installation of the black plastic center lug caps on trucks equipped with the aluminum wheels RPO N56.

Hold the center cap firmly in place on the wheel with the black plastic lug caps aligned with the wheel lug nuts. Using a hand held deep socket with an extension or torque stick, apply inward pressure while hand snugging each lug cap until fully seated against the center cap. After all lug caps have been seated, check tightness of each nut cap using the hand held deep socket with an extension or torque stick and tighten any nut cap that may have loosened.

Note: For easier installation of the lug caps it is important to apply inward pressure while hand snugging each lug cap.

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.