Sterling 360 - Wheel Nut Tightening

11-53
With a new vehicle, perform the first inspection at
the initial maintenance period of 2500 miles (4000
km).
Using a torque wrench, check each wheel nut and
tighten it if necessary.
• Tightening wheel nuts on dual rear wheels
Use the following sequence to tighten the wheel
nuts on dual wheels:
Loosen the outer wheel nuts.
Tighten the inner wheel nuts to specification.
Tighten the outer wheel nuts to specification.
NOTE:
The wheel nuts on the right-hand side are right-
hand threaded. Those on the left-hand side are left-
hand threaded.
Both studs and nuts have stamped marks for easy
identification; an “R” mark for right-hand threads
and an “L” mark for left-hand threads.
Wheel nut tightening
Inspection interval
Every 6000 miles
(10 000 km)
WARNING
After changing a tire, the wheel nuts will
loosen somewhat as they wear in, creating a
potential for an injury accident. Tighten the
wheel nuts again after you have driven 30 to
60 miles (50 to 100 km).
Wheel nut
torque
325 to 398 lbf·ft (440 to 540 N·m)
WARNING
• Be sure to check the wheel nuts regularly.
A loose wheel nut could cause an injury
accident.
• Make sure the socket is firmly seated on
the wheel nut. If not, the wrench could slip
off the nut, and cause a personal injury.
WARNING
On vehicles with dual wheels, do not forget
to tighten the inner wheel nuts. A loose wheel
nut could cause an injury accident.
Z09315