5
32
Tightening stud
located, ball seat
cap nuts (continued)
Stud located, ball seat mounting system.
It is recommended to torque to between 450 and 500 foot-pounds. If lubricated with SAE 30W oil
torque should be between 350 and 400 foot-pounds. Note: when dualing steel wheels with Alcoa
aluminum wheels, follow the steel wheel manufacturer’s recommendations regarding the proper torque
and use of thread lubricants to mount the wheel.
WARNING Application of lubricant to the ball seats can cause excessive torque. Over
torque can stretch studs causing them to fail.
Overtorquing can lead to wheel disengagement causing serious injury or death.
Do not allow oil to contact ball seats or mounting surfaces of the wheel, hub or drum. Do
not use aerosol cans for lubrication of stud threads.
On vehicles equipped to accept wheels manufactured for use with the stud located
ball seat mounting system, wheel studs on the right side of the vehicle have right-hand threads and
those on the left have left-hand threads. The "R" and "L" on the studs and nuts indicate right and left-
hand threads respectively
(see Section 5-2).
After mounting a wheel over the studs, snug up the cap nuts in the order shown in the illustrations
that follow. After all the cap nuts have been snugged, tighten the cap nuts to the recommended
torques, following the same tightening sequence.
Five Stud
Ten Stud
Eight Stud
Continued on the next page
WARNING
Six Stud
NOTICE: In service, stud
dimensions and condition
may change over time due to
environmental conditions,
multiple re-installations,
improper torquing and other
factors. Consult with your hub
and stud manufacturer for
maintenance and replacement
recommendations.
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