Tuff Country 14956 - GM 2006 Silverado K1500 4 kit - Manual (Page 10)

and the tightening of the new hardware that connects the
lower control arms to the newly installed sub frame.
Rear-end installation:
83. To begin installation, block the front tires of the
vehicle so that the vehicle is stable and can’t roll forward.
Safely lift the rear of the vehicle and support the frame
with a pair of jack stands. Place a jack stand on both the
driver and passenger side. Next, remove the wheels and
tires from both sides.
84. Working on the driver side, remove the stock shock
from the stock location and save the stock hardware for
later re-installation. The stock shock may be discarded.
Special note: New longer rear shocks are needed, if
you have not already ordered shocks, please contact
Tuff Country or your local Tuff Country dealer and
order the proper shocks. Tuff Country recommends
using a 30” fully extended nitrogen gas shock.
Repeat procedure on the passenger side.
85. Working on the driver side rear shock bracket,
remove the stock brake line bracket from the stock driver
side rear shock bracket. Set the stock hardware a side
for later re-installation.
86. Place a pair of hydraulic floor jacks under the rear
differential and carefully raise up on both hydraulic floor
jacks at the same time until they come into contact with
the rear differential.
87. Working on the driver side, remove the stock U-bolts
from the stock location and discard the stock U-bolts and
hardware. Set the stock upper and lower U-bolt plates a
side for later re-installation. Repeat procedure on
passenger side.
88. Carefully lower down both hydraulic floor jacks at the
same time approximately 4”. Special note: Take special
care not to over extend any brake lines and/or hoses.
Working on the driver side, remove and discard the stock
rear block. Repeat procedure on the passenger side.
89. Working on the driver side, place a pair of “C” clamp
vise grips on each side of the stock centering bolt.
Carefully remove the stock centering bolt and nut and
discard. Carefully remove the “C” clamp vise grips that
are holding the stock springs together. Special note: Be
very carefully when removing the “C” clamps, the
stock springs are under tension and can be
dangerous. Repeat procedure on passenger side.
90. Locate (2) new rear add-a-leaf, (2) 3/8” x 6” centering
bolt and (2) 3/8” fine nut from box kit 81350. Install the
new rear add-a-leaf into the stock spring assembly.
Secure the new rear add-a-leaf to the stock spring
assembly using the new 3/8” center bolt and nut. Torque
to 28 ft. lbs. Special note: If the new add-a-leaf that
proper shocks. Tuff Country recommends using a
23” fully extended nitrogen gas shock. Locate the new
lower poly bushings and proper shock sleeves that are
packaged with the new shocks and install the new lower
shock bushings and proper shock sleeves into the lower
eyelet of the new shocks. Special note: IF need be,
locate (2) S10074 sleeves from hardware bag
14955SL. Make sure to use a lithium or moly base
grease prior to inserting the new lower shock
bushings and sleeves into the new lower shock
eyelet. This will increase the life of the bushing as
well as prevent squeaking. Locate (4) PB8297 upper
shock bushings and (4) S10107 upper shock washers
from hardware bag 14955PL. Working on the driver side,
install the new shock into the stock upper location and
secure using the new shock nut that was packaged with
the new shock. Also, make sure to use the new upper
shock bushings and upper shock washers. Torque to 28
ft lbs. Repeat procedure on the passenger side. Tuff
Country EZ-Ride Suspension highly recommends
that the shocks are installed with shock boots. If
shock boots are not installed, damaged my occur to
the piston of the new shock.
79. Locate (2) 1/2” x 3 1/4” bolts, (4) 7/16” USS flat
washers and (2) 1/2” unitorque nuts from hardware bag
14955NB3. Also, locate (2) 1/2” USS flat washers from
hardware bag 14955NB4. Working on the driver side,
secure the bottom of the new shock to the newly installed
shock relocation bracket using the new 1/2” x 3 1/4” bolt
and hardware. Make sure to use thread locker or lock
tite. Torque the lower 1/2” bolt to 80 ft lbs. Special note:
When installing the new shock into the lower shock
relocation bracket, make sure to use (1) 1/2” USS flat
washers as a spacers on the front lower portion of
the new shock relocation bracket. Repeat procedure
on the passenger. Special note: After the installation
of the new front shock, check to make sure that there
was enough cut out of the stock bump top in step #
69 to ensure that there is proper clearance between
the new front shock and the stock bump stop
bracket. If there is contact between the new front
shock and the stock bump stop bracket, carefully cut
off the corner of the stock bump stop bracket for
proper shock clearance.
See Illustration # 27
80. Locate the stock front drive line and hardware that
was removed from step # 4. Re-install the stock drive line
back into the stock location and secure using the stock
hardware.
81. Re-install the tires and wheels and carefully lower the
vehicle to the ground.
82. There is still a couple of steps that need to be
completed on the front end but these steps will not be
completed until the rear end installation is completed and
the weight of the vehicle is on the ground. These steps
include; the installation of the front sway bar end links