NISSAN TIIDA 2007 Service Repair Manual

ST-6
< ON-VEHICLE MAINTENANCE >
STEERING WHEEL
ON-VEHICLE MAINTENANCE
STEERING WHEEL
On-Vehicle Inspection and ServiceINFOID:0000000001282496
CHECKING CONDITION OF INSTALLATION
 Check installation conditions of steering gear assembly, front suspension assembly, axle and steering col-
umn assembly.
 Check if movement exists when steering wheel is moved up and down, to the left and right and to the axial
direction.
 Check steering gear assembly mounting bolts and nuts for looseness. Refer to ST-12, "
Removal and Instal-
lation" .
CHECKING STEERING WHEEL PLAY
 Turn 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.
 When 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
 Make sure that steering gear assembly, steering column assembly and steering wheel are installed in the
correct position.
 Perform neutral position inspection after wheel alignment. Refer to SR-2, "
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"" .
 Set vehicle to the straight-ahead position and confirm steering wheel is in the neutral position.
 Loosen outer socket lock nut and turn inner socket to left and right equally to make fine adjustments if steer-
ing 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. Check steering wheel turning force when steering wheel has
been turned 360° from neutral position using suitable tool as
shown.
4. If steering wheel turning force is out of the specification, refer to
STC-3, "
Work Flow" .
CHECKING FRONT WHEEL TURNING ANGLE
Steering wheel axial end play : 0 mm (0 in)
Steering wheel play : 0 - 35 mm (0 - 1.38 in)
Steering wheel
turning force: Less than 36 N (3.7 kg-f, 8.2 lb-f)
WGIA0180E

STEERING WHEEL
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 Check front wheel turning angle after toe-in inspection. Place front
wheels on turning radius gauges and rear wheels on stands.
Check the maximum inner and outer wheel turning angles for LH
and RH road wheels.
 With the engine at idle, turn steering wheel from full left stop to full
right stop and measure the turning angles.
 Measure rack stroke if angles are outside the specified value. RHD
shown LHD similar.
 Disassemble steering gear assembly to check the cause that rack
stroke is outside of the standard.
 Steering angles are not adjustable. Check steering gear assembly,
steering column assembly and front suspension components for
wear or damage if any of the turning angles are different from the
specified value. Replace any of them, if any non-standard condi-
tion exists.
FAA0016D
Inner wheel (Angle: A) Minimum 35° 00′ (35.0°)
Nominal 38° 00′ (38.0°)
Maximum 39° 00′ (39.0°)
Outer wheel (Angle: B) 33° 00′ (33.0°)
SGIA0055E
Rack stroke “L” : 65.0 mm (2.559 in)
AWGIA0016ZZ

ST-8
< ON-VEHICLE REPAIR >
STEERING WHEEL
ON-VEHICLE REPAIR
STEERING WHEEL
Removal and InstallationINFOID:0000000001282499
REMOVAL
NOTE:
When reconnecting spiral cable, secure cable with a tape so that case and rotating part keep aligned. This will
omit neutral position alignment procedure during spiral cable installation.
1. Set front wheels to straight-ahead position.
2. Remove driver air bag module. Refer to SR-4, "
Removal and Installation" .
3. Remove steering wheel lock nut after steering is locked.
4. Remove steering wheel.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not run spiral cable idle needlessly. And do not turn it more than necessary (or it leads to discon-
nection of the cable).
NOTE:
 The neutral position is set as follows.
Turn the spiral cable clockwise to the end position. Then turn it
counterclockwise (about 2 and half turns) and stop turning at the
point on which the stopper insertion holes are in the same position
(B). The service part is installed in the neutral position by the stop-
per and can be set without adjusting after the stopper is removed.
 Adjust the spiral cable locating pin (B) to the steering wheel locat-
ing pin hole (C).
WGIA0183E

STEERING COLUMN
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STEERING COLUMN
Removal and InstallationINFOID:0000000001282500
COMPONENT
CAUTION:
 Do not allow axial impact to steering column assembly during removal and installation.
 Steering column must be kept at maximum tilt up position during removal and installation. Do not
operate tilt mechanism while steering column is out of the vehicle.
 Put matching mark on intermediate shaft and steering column assembly before removing intermedi-
ate shaft.
 When steering wheel is turned repeatedly with the vehicle stopped, care must be taken because
motor and EPS control unit may get too hot.
 Steering column assembly is heavy. Care must be taken when removing steering column assembly
from vehicle.
 Do not put steering column assembly near the things that generate excessive magnetic force.
 Steering column assembly (with motor, reduction gear, sensor) cannot be disassembled.
REMOVAL
1. Set front wheels to straight ahead-position.
2. Remove driver air bag module. Refer to SR-4, "
Removal and Installation".
3. Remove steering wheel. Refer to ST-8, "
Removal and Installation".
4. Remove steering column cover (upper and lower). Refer to IP-10, "
Component Parts".
5. Remove combination switch and spiral cable. Refer to SR-7, "
Removal and Installation".
6. Remove instrument lower finisher. Refer to IP-10, "
Component Parts".
7. Disconnect each switch connector installed to steering column assembly, and then disconnect harness
from steering column assembly.
1. Steering wheel 2. Steering column assembly (with mo-
tor, reduction gear, sensor)3. Bracket
4. EPS control unit 5. Intermediate shaft
WGIA0179E

ST-10
< ON-VEHICLE REPAIR >
STEERING COLUMN
8. Put matching mark on upper yoke of intermediate shaft and out-
put shaft of steering column assembly.
9. Remove bolt of intermediate shaft (upper side), and then remove intermediate shaft from steering column
assembly.
10. Remove steering column assembly mounting nuts, and then remove steering column assembly from vehi-
cle.
11. Remove bolt of intermediate shaft (lower side), and then remove intermediate shaft from vehicle.
12. Remove screws of bracket and EPS control unit, and then remove bracket and EPS control unit from
steering column assembly.
INSPECTION AFTER REMOVAL
 Check each part of steering column assembly, EPS control unit and intermediate shaft for damage and
replace as necessary.
 Measure the length “L” as shown, if vehicle has been involved in a
minor collision. Replace steering column assembly (with motor,
reduction gear, sensor) if outside the standard.
 Check tilt mechanism for damage or other malfunctions. Replace
steering column assembly (with motor, reduction gear, sensor) as
necessary.
 Measure steering column assembly rotating torque using Tool. Replace steering column assembly (with
motor, reduction gear, sensor) if outside the standard.
INSTALLATION
Installation is in the reverse order of removal.
 Installation is in the reverse order of removal. For tightening torque, refer to "COMPONENT".
 When tightening bolt (intermediate shaft lower side), tighten it by hand first, and make sure there is no feel-
ing of sticking or galling before final tightening.
CAUTION:
Insert bolt in the proper direction. (Do not insert it from the other side.)
 Align matching mark made during removal.
ALGIA0019ZZ
Steering column
length “L”Minimum 462.1 mm (18.19 in)
Nominal 464.1 mm (18.27 in)
Maximum 466.1 mm (18.35 in)
Tool number : ST3127S000 (J-25742-1)
Rotating torque : 0 - 2.1 N·m (0 - 0.21 kg-m, 0 - 18 in-lb)
SGIA1293E

STEERING COLUMN
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 When connecting intermediate shaft upper side (1) and column
shaft, make sure the bolt is securely seated in groove (A) of col-
umn shaft (A) before final tightening.
INSPECTION AFTER INSTALLATION
 Rotate steering wheel to check for un-centered condition, binding, noise or excessive steering effort.
 After installing steering column assembly, perform self-diagnosis with CONSULT-III to ensure correct opera-
tion. Refer to STC-7, "
CONSULT-III Function (EPS)".
 Check tilt mechanism operating range (S) at point (A) as shown.
SGIA1295E
Tilt operating range (S) : 20 mm (0.79 in)
AWGIA0019ZZ

ST-12
< ON-VEHICLE REPAIR >
STEERING GEAR
STEERING GEAR
Removal and InstallationINFOID:0000000001282501
COMPONENT
NOTE:
RHD shown LHD similar.
CAUTION:
Spiral cable may be cut if steering wheel turns while separating steering column assembly and steer-
ing gear assembly. Be sure to secure steering wheel using string to avoid turning.
REMOVAL
1. Set vehicle to the straight-ahead position.
2. Remove bolt of intermediate shaft (lower side), and then remove intermediate shaft from steering gear
pinion shaft.
3. Raise vehicle.
4. Remove tires from vehicle with a power tool.
5. Loosen steering outer socket (1) nut.
6. Remove steering outer socket (1) from steering knuckle (2) so
as not to damage ball joint boot (3) using the ball joint remover
(suitable tool).
CAUTION:
Temporarily tighten the nut to prevent damage to threads
and to prevent the ball joint remover (suitable tool) from
suddenly coming off.
7. Remove front suspension member. Refer to FSU-11, "
Removal and Installation".
8. Remove mounting bolts and nuts of steering gear assembly, then remove steering gear assembly from
front suspension member.
INSTALLATION
Installation is in the reverse order of removal.
 Clean mounting surface on the body side of fire wall seal when installing steering gear assembly.
1. Steering gear assembly 2. Washer 3. Dash panel seal
4. Heat insulator 5. Front suspension member⇐Front
Refer to GI-3
for the symbols.
AWGIA0020GB
SGIA1298E

STEERING GEAR
ST-13
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 Check wheel alignment under unladen conditions with tires on level ground. Refer to FSU-6, "Wheel Align-
ment Inspection".
INSPECTION AFTER INSTALLATION
Rotate steering wheel to check for decentered condition, binding, noise or excessive steering effort.

ST-14
< DISASSEMBLY AND ASSEMBLY >
STEERING GEAR
DISASSEMBLY AND ASSEMBLY
STEERING GEAR
Disassembly and AssemblyINFOID:0000000001282504
COMPONENT (R24K TYPE)
NOTE:
RHD shown LHD similar.
CAUTION:
Clean steering gear assembly with kerosene before disassembling.
DISASSEMBLY
1. Loosen outer socket lock nut, and then remove outer socket from inner socket.
2. Remove boot clamps, and then remove boot from inner socket.
CAUTION:
Do not damage inner socket and gear housing assembly when removing boot. Inner socket and
gear housing assembly must be replaced if inner socket and gear housing assembly are damaged
because it may allow foreign material to enter.
1. Dash panel seal 2. Joint cover 3. Pinion seal
4. Snap ring 5. Pinion 6. Gear housing
7. Adjusting screw 8. Lock nut 9. Spring
10. Retainer 11. Rack 12. Inner socket
13. Outer socket 14. Boot clamp (small diameter) 15. Boot
16. Boot clamp (large diameter)⇐Front
Refer to XX-XX, "*****"
for the symbols unless shown below.
:Apply Genuine Thread Locking Sealant, Three Bound 1141 or equivalent.
:1Apply Genuine Lithium Soap, Idemitsu Autorex A or equivalent.
:2Apply Genuine Lithium Soap, Wanlouver MO No.2 (manufactured by Kyoudouyushi) or equivalent.
:3Apply Genuine Lithium Soap, Multemp AC-P (manufactured by Kyoudouyushi) or equivalent.
AWGIA0021GB

STEERING GEAR
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3. Remove inner socket from rack assembly while holding the flat portion of the rack next to the inner socket
using a suitable tool.
NOTE:
The flat portion is only located on rack tooth side of the rack assembly. Use the same flat portion when
removing both the LH and RH inner sockets.
4. Measure adjusting screw height “H”, and loosen lock nut (2).
5. Remove adjusting screw (1), retainer (3) and spring (4) from
gear housing assembly (5).
INSPECTION AFTER DISASSEMBLY
Joint Cover
Check joint cover protrusion for damage. Replace if there are.
Rack and Pinion Assembly
 Rotate rack and pinion assembly and check for torque variation or rattle. Replace steering gear as neces-
sary.
Gear Housing Assembly
Check gear housing assembly for damage or scratches. Replace steering gear as necessary.
Outer Socket and Inner Socket
1. Check ball joint swinging torque.
 Hook a spring balance at the point shown and pull the spring
balance. Make sure that the spring balance reads the speci-
fied value when ball stud and inner socket start to move.
Replace outer socket and inner socket if they are outside the
standard.
2. Ball joint axial end play
SGIA1300E
SGIA0896E
Items Outer socket Inner socket
Measuring point of spring bal-
anceBall stud upper sideMeasuring point at * mark shown
in the figure
Swinging torque0.3 - 2.9 N·m
(0.03 - 0.29 kg-m, 3.0 - 25 in-lb)0.5 - 5.0 N·m
(0.06 - 0.51 kg-m, 5 - 44 in-lb)
Spring balance measurement6.0 - 58 N
(0.61 - 5.91 kg-f, 1.35 - 13.03 lb-f)4.3 - 43.5 N
(0.44 - 4.44 kg-f, 0.97 - 9.79 lb-f)