What should you do if the fifth wheel does not lock properly on your first attempt to couple?
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Correct!
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Correct answer to question 92 (Combination Vehicles): Pull forward away from the trailer, reposition, and try backing under again rather than forcing a partial connection
Why
If the coupling does not lock properly, backing away and trying again is the safe approach, since driving with a partial or failed lock risks the trailer separating from the tractor.
Updated: November 2026