Tuff Country 14040 - Hummer H3 4 lift kit - Manual (Page 9)

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 26” fully extended
hydraulic shock. Repeat procedure on the passenger
side.
66. 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.
67. Remove the stock brake line bracket from the upper
portion of the stock brake line bracket and save the stock
hardware for later re-installation. Special note: make sure
to remove the hardware that attaches the stock brake
line bracket to the upper portion and not the bolt that
connects the stock brake line bracket to the rear
differential cover.
68. Working on the driver side, remove the stock ABS line
from the stock ABS line bracket located on the stock rear
axle. Repeat procedure on the passenger side.
Photo # 39
69. Working on the driver side, remove the stock sway bar
end link from the stock sway end link upper and lower
location. The stock sway bar end link and the stock
hardware may be discarded. Repeat procedure on the
passenger side.
70. 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 lower u-bolt plate aside for later
re-installation. Repeat procedure on passenger side.
71. Carefully raise up on both hydraulic floor jacks until the
stock spring assemblies separate from the stock rear axle.
72. Working on the driver side, remove the stock nut
holding the stock rear spring to the stock spring hanger.
The stock nut may be discarded. Carefully tap the stock
bolt until it makes contact with the stock gas tank. Using a
sawzall, cut the stock bolt. Remove the cut bolt from the
stock spring hanger. Special note: Tuff Country highly
recommends not using a torch when performing this
step due to the open flames next to the gas tank. Also,
once the stock modified bolt is removed the stock
spring will fall out of the stock spring hanger. Take
special care not to get hit by the stock springs.
73. Working on the driver side, remove the stock spring
from the stock spring shackle. Save the stock hardware for
later re-installation. The stock spring may be discarded.
Also, at this point, loosen but do not remove the upper
shackle bolt that holds the stock shackle into the upper
location.
74. Working on the passenger side, remove the stock
spring from the stock front spring hanger and save the
stock hardware for later re-installation. Special note: once
the stock hardware is removed the stock spring will fall
out of the stock spring hanger. Take special care not to
get hit by the stock springs. Remove the stock spring
from the stock spring shackle. Save the stock hardware for
later re-installation. The stock spring may be discarded.
Also, at this point, loosen but do not remove the upper
shackle bolt that holds the stock shackle into the upper
location.
75. Locate (1) new rear springs. Special note: the new
rear springs are sold as a separate part #. If you have
not already order your new rear springs, please
contact Tuff Country or your local Tuff Country dealer
and order (2) 19400. Locate (1) 9/16” x 4” bolt, (2) 9/16”
harden washers and (1) 9/16” unitorque nut from hardware
bag 14040NB. Also, locate the stock rear spring shackle
hardware that was removed in step # 72. Working on the
driver side, install the new spring into the stock front spring
hanger and secure using the new 9/16” x 4” bolt and hard-
ware. Do not tighten at this point. Special note: Tuff
Country recommends installing this bolt from the
outside to the inside of the vehicle. Secure the new
spring to the stock spring shackle using the stock
hardware. Do not tighten at this point. Add some thread
locket or lock tite to the newly installed front spring hanger
bolt and torque to 110 ft lbs. Special note: The stock
hardware that attaches the newly installed spring to
the stock shackle will not be torqued until the weight of
the vehicle is on the ground. The new front spring has
an off-set centering bolt, the longer end of the spring
needs to be installed towards the rear of the vehicle.
Also, the taller end of the degree shim installed in the
new rear springs should be installed towards the front
of the vehicle.
76. Locate (1) new rear springs. Special note: the new
rear springs are sold as a separate part #. If you have
not already order your new rear springs, please
contact Tuff Country or your local Tuff Country dealer
and order (2) 19400. Locate the stock spring hardware
that was removed in step # 74. Working on the passenger
side, install the new spring into the stock front spring
hanger and secure using the stock hardware. Do not
tighten at this point. Secure the new spring to the stock
spring shackle using the stock hardware. Do not tighten at
this point. Add some thread locker or lock tite to the stock
front spring hanger bolt and torque to 110 ft lbs. Special
note: The stock hardware that attaches the newly
installed spring to the stock shackle will not be torqued
until the weight of the vehicle is on the ground. The
new front spring has an off-set centering bolt, the
longer end of the spring needs to be installed towards
the rear of the vehicle. Also, the taller end of the degree
shim installed in the new rear springs should be
installed towards the front of the vehicle.
77. Carefully lower down on both hydraulic floor jacks at the