TRUCK SERVICE MANUAL
WHEELS, RIMS, TIRES
MOUNTING NUTS (Disc Wheels)
Where standard automotive type disc wheels have been used in the past, both left and right hand threads will be
found at the wheel mounting studs and nuts. Common practice has been to use left-hand threads at the left-hand wheels
and right-hand threads at the right side of the vehicle. This was done to assure keeping wheel mounting nuts tight.
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