Note: Nothing in the specification supersedes applicable laws and regulations unless specific exemption has been obtained.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose.

Test A.

The purpose of this test is to check the secure fitting of the wheel mounting.

Test B.

The purpose of this test is to evaluate a vehicle’s wheel attachment’s tendency to loosen from initial assembly to the first service event. This test is not intended to validate the long term, “life of vehicle” performance of the wheel attachment.

Foreword.

Test A.

Not applicable.

Test B.

This specification provides minimum performance requirements for wheel attachments of vehicles intended for normal highway use on passenger vehicles, light trucks, and multipurpose vehicles.

Applicability.

Test A.

Complete vehicle range.

Test B.

This procedure applies to the initial tightening event of the wheel attachment fasteners, wheels, and brake rotors or brake drums.