wheel alignment NISSAN NAVARA 2005 Repair Owner's Manual

PS-2
PRECAUTIONS
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EGS001M0
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
WARNING:
lTo avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
lImproper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
lDo not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Steering SystemEGS001L9
lIn case of removing steering gear assembly, make the final tightening with grounded and unloaded vehi-
cle condition, and then check wheel alignment.
lObserve the following precautions when disassembling.
–Before disassembly, thoroughly clean the outside of the unit.
–Disassembly should be done in a clean work area. It is important to prevent the internal parts from becom-
ing contaminated by dirt or other foreign matter.
–For easier and proper assembly, place disassembled parts in order on a parts rack.
–Use nylon cloth or paper towels to clean the parts; common shop rags can leave lint that might interfere
with their operation.
–Do not reuse non-reusable parts.
–Before assembling, apply the specified grease to the directed parts.

PS-8
STEERING WHEEL
STEERING WHEEL
PFP:48430
On-Vehicle Inspection and ServiceEGS001LG
CHECKING CONDITION OF INSTALLATION
lCheck installation conditions of steering gear assembly, front suspension assembly, axle and steering col-
umn assembly.
lCheck if movement exists when steering wheel is moved up and down, to the left and right and to the axial
direction.
lCheck steering gear assembly mounting bolts and nuts for looseness. Refer toPS-14, "COMPONENT".
CHECKING STEERING WHEEL PLAY
lTurn steering wheel so that front wheels come to the straight-ahead position. Start engine and lightly turn
steering wheel to the left and right until front wheels start to move. Measure steering wheel movement on
the outer circumference.
lWhen the measurement value is outside the standard value, check backlash for each joint of steering col-
umn assembly and installation condition of steering gear assembly.
CHECKING NEUTRAL POSITION STEERING WHEEL
lMake sure that steering gear assembly, steering column assembly and steering wheel are installed in the
correct position.
lPerform neutral position inspection after wheel alignment. Refer toFSU-7, "Front Wheel Alignment".
lSet vehicle to the straight-ahead position and confirm steering wheel is in the neutral position.
lLoosen outer socket lock nut and turn inner socket to left and right equally to make fine adjustment if
steering wheel is not in the neutral position.
CHECKING STEERING WHEEL TURNING FORCE
1. Park vehicle on a level and dry surface, set parking brake.
2. Start engine.
3. Bring power steering fluid up to adequate operating temperature. [Make sure temperature of fluid is
approximately 50 to 80°C(122to176°F).]
4. Check steering wheel turning force when steering wheel has
been turned 360°from neutral position.
NOTE:
Multiply the distance (L) from the hook of spring scale to the
center of steering wheel by the measurement value with a spring
scale.
5. If steering wheel turning force is out of the specification, check
rack sliding force and relief hydraulic pressure of oil pump.
Regarding relief hydraulic pressure of oil pump, refer toPS-25,
"CHECKING RELIEF OIL PRESSURE".
a. Disconnect lower joint and steering knuckle from steering gear assembly. Refer toPS-11, "
COMPO-
NENT",FAX-5, "Removal and Installation".
b. Start and run engine at idle to make sure steering fluid has reached normal operating temperature.Steering wheel axial end play : 0 mm (0 in)
Steering wheel play : 0 - 35 mm (0 - 1.38 in)
Steering wheel turn-
ing force: Less than 39 N (4.0 kg-m, 8.8 lb)
SGIA1136E

PS-10
STEERING WHEEL
Removal and Installation
EGS001LH
REMOVAL
NOTE:
When reconnecting spiral cable, fix cable with a tape so that fixing case and rotating part keep aligned. This
will omit neutral position alignment procedure during spiral installation.
1. Set vehicle to the straight-ahead position.
2. Remove driver air bag module. Refer toSRS-36, "
DRIVER AIR BAG MODULE".
3. Remove steering wheel lock nut after steering is locked.
4. Remove steering wheel with the steering wheel puller [SST:
ST27180001] (A).
INSTALLATION
Reverse the removal procedure for installation attentive to the following operation.
NOTE:
Make sure that the spiral cable is in the neutral position. The neutral
position is detected by turning left 2.6 revolutions from the right end
position and ending with the locating pin at the top.
CAUTION:
Do not run spiral cable idle needlessly. And do not turn it more
than necessary (or it leads to disconnection of the cable).
SGIA1323E
PHIA0275E

POWER STEERING GEAR AND LINKAGE
PS-15
C
D
E
F
H
I
J
K
L
MA
B
PS
7. Remove high and low pressure piping of hydraulic piping, and
then drain power steering fluid. Refer toPS-6, "
POWER
STEERING FLUID".
8. Remove steering hydraulic piping bracket from front suspension
member. Refer toPS-30, "
HYDRAULIC LINE".
9. Remove mounting bolts and nuts of steering gear assembly, and
then remove steering gear assembly, rack mounting bracket,
rack mounting insulator and washer from vehicle.
INSTALLATION
lInstallation is the reverse order of removal. For tightening torque, refer toPS-14, "COMPONENT".
lWhen installing lower shaft to steering gear assembly, follow the procedure listed below.
–Set rack of steering gear in the neutral position.
NOTE:
To get the neutral position of rack, turn pinion assembly and measure the distance of inner socket, and
then measure the intermediate position of the distance.
–Align rear cover cap projection (A) with the marking position (B)
of gear housing assembly.
–Install slit part of lower shaft (C) aligning with the projection (A)
of rear cover cap (1). Make sure that the slit part of lower shaft
(C) is aligned with both the projection (A) of rear cover cap (1)
and the marking position (B) of gear housing assembly.
lAfter installation, bleed air from the steering hydraulic system.
Refer toPS-6, "
Air Bleeding Hydraulic System".
lPerform final tightening of nuts and bolts on each part under
unladen conditions with tyres on level ground when removing
steering gear assembly. Check wheel alignment. Refer toFSU-
7, "Front Wheel Alignment".
INSPECTION AFTER INSTALLATION
Make sure that steering wheel operates smoothly by turning several times from full left stop to full right stop.
LGIA0032E
SGIA1140E

SRS-56
COLLISION DIAGNOSIS
COLLISION DIAGNOSIS
PFP:00015
For Frontal CollisionEHS001Y3
Check the SRS components using the following table.
lAfter the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to
SRS-18, "
SRS Operation Check".
SRS INSPECTION (FOR FRONTAL COLLISION)
For Side CollisionEHS001Y4
Check the SRS components using the following table.
Part SRS is activated SRS is NOT activated
Air bag module
(driver and front pas-
senger air bag mod-
ule)Replace
Install with new fas-
teners.1. Remove air bag module. Check harness cover and connectors for damage, termi-
nals for deformities, and harness for binding.
2. Install driver air bag module into the steering wheel to check fit and alignment with
the wheel.
3. Install passenger air bag module into the instrument panel to check fit with the
instrument panel.
4. If no damage is found, reinstall with new fasteners.
5. If damaged—Replace. Install air bag modules with new fasteners.
Air bag modules must be deployed before disposal.
Seat belt pre-
tensioner assembliesReplace
Install seat belt pre-
tensioner with new
fasteners.1. Remove seat belt pre-tensioners.
Check harness cover and connectors for damage, terminals for deformities, and
harness for binding.
2. Check belts for damage and anchors for loose mounting.
3. Check retractor for smooth operation.
4. Check seat belt adjuster for damage.
5. If no damage is found, reinstall seat belt pre-tensioner assembly.
6. If damaged—Replace. Install the seat belt pre-tensioners with new fasteners.
Seat belt pre-tensioners must be deployed before disposal.
Diagnosis sensor unit Replace
Install with new fas-
teners.1. Check case for dents, cracks or deformities.
2. Check connectors for damage, and terminals for deformities.
3. If no damage is found, reinstall with new fasteners.
4. If damaged—Replace. Install diagnosis sensor unit with new fasteners.
Steering wheel 1. Visually check steering wheel for deformities.
2. Check harness (built into steering wheel) and connectors for damage, and terminals for deformities.
3. Install driver air bag module into the steering wheel to check fit and alignment with the wheel.
4. Check steering wheel for excessive free play.
5. If no damage is found, reinstall.
6. If damaged—Replace.
Spiral cable Replace the spiral
cable.1. Visually check spiral cable and combination switch for damage.
2. Check connectors and protective tape for damage.
3. Check steering wheel for noise, binding or heavy operation.
4. If no damage is found, reinstall.
5. If damaged—Replace.
Harness and connec-
tors1. Check connectors for poor connection, damage, and terminals for deformities.
2. Check harness for binding, chafing, cuts, or deformities.
3. If no damage is found, reinstall the harness and connectors.
4. If damaged—Replace the damaged harness. Do not attempt to repair, splice or modify any SRS harness.
Instrument panel
Replace the instru-
ment panel assembly.1. Visually check instrument panel for damage.
2. If no damage is found, reinstall the instrument panel.
3. If damaged—Replace the instrument panel.