Tuff Country 16085 - GM 2011 Silverado 2500HD 6 box kit - Manual (Page 22)

88. Locate (4) 5/16” x 3/4” self threading bolts from hardware
bag 16085NB1. Working on the driver side and using the
newly installed cover plate as a guide, carefully drill a 1/4”
hole into the front and back side of the torsion bar cross
member. Secure the cover plate to the previously drill holes
using the new 5/16” x 3/4” self threading bolt. Repeat proce-
dure on the passenger side.
89. Locate the torsion bars. Refer to the marks that were
made earlier in the installation and re-install the torsion bars
back into the OE location. Example: Driver vs. Passenger
and Front vs. Rear.
90. Locate the torsion bar keys. Working on the driver side,
install the torsion bar key back into the OE location in the tor-
sion bar cross member. Slide the torsion bar back into the
previously installed torsion bar key. Repeat procedure on the
passenger side. Special note: Make sure that the torsion
bars are installed in the stock location in the stock lower
control arm and the stock torsion bar key.
91. Center the torsion bar cross member in the vehicle and
and some loctite and torque the new 9/16” bolts holding the
new mount to the OE location to ?? ft lbs. Add some loctite
to the OE bolt holding the cross member to the newly
installed mount and torque to 75 ft lbs.
92. Locate the torsion bar adjusting blocks and hardware.
Working on the driver side, attach the torsion bar removing
tool to the stock torsion bar cross member, making sure that
the unloading bolt in the center of the torsion bar removing
tool is in the small divot of the stock torsion bar key. Adjust
the torsion bar key up high enough so that the stock small
metal adjusting block and bolt can be re-installed back into
the stock location. Remove the torsion bar removal tool from
the stock torsion bar cross member. Special note: Set the
driver and the passenger side torsion bar bolt so that
there is 3/4” of thread showing between the head of the
bolt and the adjusting block. Repeat on the passenger
side.
93. Locate the new torsion bar skid plate and the torsion bar
skid plate mounting bracket. Locate (2) 1/2” x 1 1/4” bolts, (2)
1/2” x 2” bolts, (8) 7/16” USS flat washers and (4) 1/2” uni-
torque nuts from hardware bag 16085NB2. Install the torsion
bar skid plate mounting bracket inside the transmission
cross member. Secure the new skid plate to the torsion bar
cross member using the new 1/2” x 1 1/4” bolts and hard-
ware. Do not tighten at this time. Now secure the skid plate
to the bracket in the transmission cross member using the
new 1/2” x 2” bolts and hardware. Make sure to use loctite
and torque to 65 ft lbs. Move back to the newly hardware
securing the skid plate to the torsion bar cross member and
add some loctite and torque to 65 ft lbs.