Chevrolet 4500HD Series 2019 Manual page 307

306 Vehicle Care
tighten wheel stud nuts and rim
clamp nuts with a torque wrench
after installing any wheel.
In addition, nut tightness on all
wheels should be set with a torque
wrench every 10 400 km (6,500 mi).
Tightening torque
500 N·m (362 lb·ft)
Wheel Tightening Sequence
Some studs and nuts have left-hand
threads. Those studs are marked on
their ends with the letter "L".
Install valve stems of dual wheels
180 degrees opposite each other.
1. Finger-tighten the nuts.
2. Tighten all nuts to specified
torque in order as shown.
Never use oil or grease on the
studs or nuts.
3. If a wheel stud and nut has
been replaced, stake the stud
and nut.
Warning
To help reduce the risk of losing
vehicle control and personal
injury or death, if any stud has
been damaged as a result of a
loose running wheel, all studs for
(Continued)
Warning (Continued)
that wheel should be replaced.
A loose running wheel may cause
only one stud to break but
damage to other studs may not
be noticeable. If stud holes in a
wheel have become elongated or
distorted, replace the wheel.