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Tuff Country 14040 - Hummer H3 4 lift kit User Manual

Page 10

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same time until the stock rear axle seats properly with the
newly installed rear springs.

78. Locate (4) new 1/2” x 3 1/2” x 8” round u-bolts. Locate
(8) 1/2” u-bolt high nuts and (8) 1/2” u-bolt harden washers
from hardware bag 12NW. Also, locate the lower u-bolt
plates that were removed in step # 70. Working on the
driver side, install the new u-bolts into the stock location
and secure using the new 1/2” hardware. Repeat
procedure on the passenger side. Torque the new u-bolts
to 70 ft lbs.

79. Locate the new rear shocks. 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 26” fully extended
hydraulic shock.
Working on the new shocks, install the
new shock bushing into the upper and lower eyelets of the
new shocks. Next, install the new proper shock sleeves into
the previously installed shock bushings. Special note:
Make sure to use a lithium or moly base grease prior to
inserting the new shock bushings and sleeves into the
new shock eyelets. This will increase the life of the
bushing as well as prevent squeaking.
Working on the
driver side, install the new shock into the stock upper and
lower location and secure using the stock hardware that
was removed in step # 65. Special note: Make sure to
use thread locker or lock tite and torque the upper and
lower stock mounting hardware to 75 ft lbs.
Repeat
procedure on the passenger side. Special note: 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.

80. Locate the new rear brake line relocation bracket from
hardware bag 14040PL. Also, locate the stock brake line
bracket hardware that was removed in step # 67. Install the
new rear brake line bracket to the upper portion of the stock
brake line bracket and secure using the stock hardware. Do
not tighten at this point.

81. Locate (1) new 5/16” x 1” bolt, (2) 1/4” USS flat
washers and (1) 5/16” unitorque nut from hardware bag
14040NB. Install the stock brake line bracket to the newly
installed rear brake line relocation bracket and secure
using the new 5/16” x 1” bolt and hardware. Make sure to
use thread locker or lock tite and torque to 12 ft lbs. Move
back to the stock hardware that was installed in step # 80
and add some thread locker or lock tite and torque to 12 ft
lbs.

Photo # 40

82. Locate the (2) new rear ABS relocation brackets from
hardware bag 14040PL. Working on the driver side,
remove the stock bolt that connects the stock brake line
bracket to the stock bump stop plate. Secure the new ABS
relocation bracket to the stock brake line bracket using the

stock hardware that was removed earlier in this step.
Special note: make sure to thread locker or lock tite
and torque the stock bolt to 12 ft lbs.
Next, install the
stock ABS line to the previously installed bracket. Repeat
procedure on the passenger side.

Photo # 41

83. Locate the new rear sway bar end links. Locate (8)
PB4902 poly bushings from hardware bag 14040PL. Also,
locate (4) S10026 sleeves from hardware bag 14040SL.
Install the new poly bushings and sleeves into each end of
the new rear sway bar end link. Special note: Make sure
to use a lithium or moly base grease prior to inserting
the new bushings and sleeves into the new rear sway
bar end links. This will increase the life of the bushing
as well as prevent squeaking.

84. Locate (4) new 1/2” x 3” bolts, (8) 7/16” USS flat
washers and (4) 1/2” unitorque nuts from hardware bag
14040NB. Working on the driver side, install the new rear
sway bar end link into the stock upper and lower location
and secure using the new 1/2” x 3” bolts and hardware. Do
not tighten at this point.

Repeat procedure on the

passenger side. Add some thread locker or lock tite to all
(4) new 1/2” x 3” bolts and torque to 65 ft lbs.

85. Remove both hydraulic floor jacks from under the
vehicle.

86. Install the tires and wheels and carefully lower the
vehicle to the ground. With the weight of the vehicle on the
ground, working on the driver side, torque the rear stock
shackle bolts 40 ft lbs. Special note: make sure to torque
the upper and lower shackle bolts.
Repeat procedure on
the passenger side.

If you are installing the new rear leaf spring option on
the vehicle that you are working on, please skip to step
# 108

87. 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. Repeat procedure on the passenger side.

88. Working on the driver side, remove the stock shock
from the stock upper and lower mounting points and save
the stock hardware for later re-installation. The stock
shocks 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 26” fully extended
hydraulic shock.
Repeat procedure on the passenger
side.

89. Place a pair of hydraulic floor jacks under the rear