2265 Crosswind Drive • Prescott, AZ 86301
NISSAN FRONTIER
FRONT LEVELING KIT
INSTALLATION INSTRUCTIONS
2005-2006
KIT# NL221
WARNING
Many states and municipalities have laws restricting
bumper heights and vehicle lifts. Consult state and
local laws to determine if the changes you intend to
make to the vehicle comply with the law.
WARNING
Installation of a Performance Automotive Group sus-
pension lift kit will change the vehicle’s center of gravity
and handling characteristics both on- and off-road. You
must drive the vehicle safely! Extreme care must be
taken to prevent vehicle rollover or loss of control,
which could result in serious injury or death. Avoid sud-
den sharp turns or abrupt maneuvers and always make
sure all vehicle occupants have their seat belts fas-
tened.
WARNING
The installation of larger tires may reduce the effective-
ness of the braking system.
WARNING
Always wear eye protection when operating power
tools.
WARNING
WARNING
Before you install this kit, read and understand all
instructions, warnings, cautions, and notes in this
instruction sheet and in the vehicle owner’s manual.
Before you install this kit, block the vehicle tires to pre-
vent the vehicle from rolling.
CAUTION
NOTE
Proper installation of this kit requires knowledge of the
factory recommended procedures for removal and
installation of original equipment components. We rec-
ommend that the factory shop manual and any special
tools needed to service your vehicle be on hand during
the installation. Installation of this kit without proper
knowledge of the factory recommended procedures
may affect the performance of these components and
the safety of the vehicle. We strongly recommend that
a certified mechanic familiar with the installation of sim-
ilar components install this kit.
Performance Automotive Group recommends using
the Loctite® supplied in the kit on the threads of all kit
nuts and bolts unless specified otherwise in these
instructions.
NOTE
Installation of a suspension lift will change the driveline
angles which may cause a noticeable vibration in the
vehicle. See the troubleshooting section at the end of
these instructions.
WARNING
WARNING
This kit should only be installed on a vehicle that is in
good working condition. Before you install the kit, thor-
oughly inspect the vehicle for corrosion or deformation
of the sheet metal. If the vehicle is suspected to have
been in a collision or misused, do not install this kit.
Off-road use of your vehicle with this kit installed may
increase the stress applied to the factory components.
Failure to observe this warning may result in serious
personal injury and/or severe damage to your vehicle.
DO NOT combine suspension, body, or other lift
devices. Use of vehicle with combined lifts may result
in unsafe and/or unexpected handling characteristics.
NOTE
Lift height may vary depending on vehicle configura-
tion, engine size, additional accessories, the factory
suspension package, and vehicle’s condition.
1
‘05-’06 Frontier Leveling - Kit NL221
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5. Driver side coil-over assembly
Engine Compartment
1. Disconnect both battery cables. Disconnect negative
a. Remove nut and bolt from lower coil-over
cable first, then positive cable.
assembly and lower control arm.
Positive
Cable
Coil-Over
Assy.
Battery
Bolt & Nut
Negative
Cable
Lower
Control Arm
b. Remove three nuts and coil-over assembly from
upper perch.
Prepare to Install Front
Leveling Kit
Coil-Over
Assy.
WARNING
Compressed coil springs can expand violently causing
serious personal injury. Use caution when using coil
spring compressors.
Nuts
1. Loosen, but do not remove, lug nuts on each front
Upper
Perch
wheel.
2. Using a hydraulic floor jack, slowly lift front axle until
front tires are 3-5” off ground. Position jack stands
under frame. Lower vehicle onto jack stands while
maintaining hydraulic jack pressure underneath
vehicle.
c. Repeat above steps for passenger side coil-over
assembly.
WARNING
Compressed coil springs can expand violently causing
serious personal injury. Use caution when using coil
spring compressors.
WARNING
Use extreme caution when lifting vehicle from ground.
To prevent serious personal injury, ensure the lifting
device is securely placed.
Install Front Leveling Kit
3. Remove lug nuts and front wheels from vehicle.
WARNING
4. Remove two nuts and sway bar from two sway bar
links.
Compressed coil springs can expand violently causing
serious personal injury. Use caution when using coil
spring compressors.
Sway Bar
& Nut
1. Driver side coil-over assembly
Sway Bar
Link
Lower
Control Arm
3
‘05-’06 Frontier Leveling - Kit NL221
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a. Scribe alignment mark lengthwise along upper
plate, coil spring, and shock for proper re-
assembly.
e. Install kit spacer (lower) and three kit bolts
(10mm x 50mm) onto bottom of upper plate.
Kit Spacer
Upper Plate
(Lower)
& Coil Spring
Upper Plate
Alignment
Mark
Shock
b. Using coil spring compressors, carefully com-
press coil spring until coil spring is loose on
shock.
Kit Bolts
(10 x 50mm)
Spring
Compressor
Coil Spring
Shock
f. Install isolator onto kit spacer (lower).
Isolator
c. Remove nut, washer, bushing, upper plate, iso-
Kit Spacer
lator, and shock from coil spring.
(Lower)
Nut, Washer,
& Bushing
Kit Bolts
(10 x 50mm)
Upper Plate
Isolator
d. Remove three studs from upper plate.
Studs
Upper Plate
4
‘05-’06 Frontier Leveling - Kit NL221
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g. Align marks on coil spring, upper plate, and
shock. Install upper plate, shock, bushing,
washer, and nut onto coil spring.
j. Install coil-over assembly onto upper perch with
three kit nuts (10mm stover).
Kit Nuts
(10mm
Stover)
Washer
& Bushing
Coil-Over
Assy.
Upper Plate
Upper Perch
Coil Spring
k. Install coil-over assembly onto lower control arm
with nut and bolt.
Coil-Over
Assy.
Nut
Bolt & Nut
Lower
Control Arm
h. Ensure marks are aligned along upper plate, coil
spring, and shock.
l. Repeat above steps for passenger side coil-over
assembly.
Upper Plate
& Coil Spring
2. Install sway bar onto two sway bar links with two
nuts.
Alignment
Mark
Sway Bar
& Nut
Shock
Sway Bar
Link
i. Install kit spacer (upper) onto upper plate.
Lower
Control Arm
Kit Spacer
(Upper)
3. Install front wheels onto vehicle with lug nuts. Snug,
but DO NOT TIGHTEN.
Kit Bolts
(10 x 50mm)
4. Using a hydraulic floor jack, raise front of vehicle
and remove jack stands. Lower front of vehicle onto
ground.
Upper Plate
5. TORQUE lug nuts to specification.
5
‘05-’06 Frontier Leveling - Kit NL221
Download from Www.Somanuals.com. All Manuals Search And Download.
After Completing Installation
CAUTION
Performance Automotive Group does not recommend
any particular wheel and tire combinations for use with
its suspension lifts and cannot assume responsibility
for the customer’s choice of wheels and tires. Refer to
your owner's manual for recommended tire sizes and
warnings related to the use of oversized tires. Larger
wheel and tire combinations increase stress and wear
on steering and suspension components, which leads
to increased maintenance and higher risk for compo-
nent failure. Larger wheel and tire combinations also
alter speedometer calibration, braking effectiveness,
center of gravity, and handling characteristics. Consult
an experienced local off road shop to find what wheel
and tire combinations work best with your vehicle.
Engine Compartment
1. Connect both battery cables. Connect positive cable
first, then negative cable.
Positive
Cable
Battery
NOTE
Negative
Cable
All warranty information, instruction sheets, and other
documents regarding the installation of this product
must be retained by the vehicle owner. Information
contained in the instructions and on the warranty card
will be required for any warranty claims. The vehicle
owner needs to understand the modifications made to
the vehicle and how they affect vehicle handling and
performance. Failure to provide the customer with this
information can result in damage to the vehicle and
severe personal injury.
Miscellaneous
1. Apply kit label (warning) onto dashboard in plain
sight of all vehicle occupants.
2. Adjust headlights.
3. Check all fasteners to ensure they are tight.
4. Ensure all wires, hoses, cables, etc. are properly
connected and there is ample slack.
Kit Parts List
5. Align vehicle to O.E. specifications. Retain align-
ment results.
Qty. Description
CAUTION
1
1
2
2
Label (logo)
A vehicle wheel alignment MUST be performed to pre-
vent improper ride/handling characteristics and/or
excessive tire wear.
Label (warning)
Spacer (lower)
Spacer (upper)
Dynamic Vehicle Check
1
6
6
NL221BAG (Hardware Bag)
Bolt (M10-1.50 x 50)
Nut (M10-1.50 Stover)
1. Check steering and suspension in all positions to
ensure that there is no bind and adequate clearance
between all moving, fixed, and heated members.
Check operation of clutch, brake system, and park-
ing brake. Check operation of transmission and
transfer case. Ensure there is full engagement in all
gears and 4WD ranges. Check battery connections
and electrical component operations. Test-drive
vehicle.
WARNING
Retorque all fasteners after 500 miles and after off road
use. All suspension lift components should be visually
inspected and fasteners retorqued during routine vehi-
cle servicing.
Copyright 04/06
Performance Automotive Group
6
‘05-’06 Frontier Leveling - Kit NL221
Download from Www.Somanuals.com. All Manuals Search And Download.
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