RAM 2011 Truck Chassis Cab Owner's Manual page 365

364 WHAT TO DO IN EMERGENCIES
Slots in the wheels will assist in properly orienting the These dual rear wheels should be tightened as follows:
inner and outer wheels. Align these slots when assem-
bling the wheels for best access to the tire valve on the
inner wheel. The tires of both dual wheels must be
completely off the ground when tightening to insure
wheel centering and maximum wheel clamping.
Dual wheel models require a special heavy-duty lug nut
tightening adapter (included with the vehicle) to cor-
rectly tighten the lug nuts. Also, when it is necessary to
remove and install dual rear wheels, use a proper vehicle
lifting device.
NOTE: When installing a spare tire (if equipped) as part
of a dual rear wheel end combination, the tire diameter of
Tightening Pattern (8 Studs)
the two individual tires must be compared. If there is a
significant difference, the larger tire should be installed in
a front location. The correct direction of rotation for dual
tire installations must also be observed.