During a commercial motor vehicle pre-trip inspection, discovering even a single broken, missing, or significantly loose U-bolt on an axle assembly requires placing the vehicle out of service because U-bolts maintain critical axle alignment and secure the suspension to the axle housing.
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True
The statement is true because U-bolts are primary structural components responsible for securing the axle in proper alignment. Under standard commercial driver safety guidelines and out-of-service criteria, any loose, cracked, broken, or missing U-bolt compromises vehicle control and prohibits operating the vehicle until repaired.
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U-bolt structural integrity and commercial out-of-service criteria
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