2004 INFINITI FX35 air bleeding

REAR DISC BRAKE
BR-27
C
D
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G
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K
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MA
B
BR
Revision: 2004 November 2004 FX35/FX45
CAUTION:
Before installing caliper assembly to the vehicle, wipe off oil and grease on washer seats on axle
assembly and mounting surface of caliper assembly.
3. Install brake hose to caliper assembly and tighten union bolt to the specified torque.
CAUTION:

Do not reuse copper washer for union bolt.

Securely attach brake hose to protrusion on caliper assembly.
4. Refill new brake fluid and bleed air. Refer to BR-10, "
Bleeding Brake System" .
5. Install tires to the vehicle.
Disassembly and Assembly of Brake Caliper AssemblyAFS001NE
DISASSEMBLY
1. Remove sliding pin bolt, and then remove pad, shim, shim cover, and pad retainer from torque member
and cylinder.
2. Remove sliding pin boot from torque member.
3. As shown in the figure, using a flat-bladed screwdriver, remove
retaining ring from cylinder body.
4. Place a wooden block as shown in the figure, and blow air from
union bolt mounting hole to remove pistons and piston boots.
CAUTION:
Do not get your fingers caught in piston.
5. Using a flat-bladed screwdriver, remove piston seals from cylin-
der body.
CAUTION:
Be careful not to damage cylinder inner wall.
CALIPER INSPECTION
Cylinder Body
CAUTION:

Use new brake fluid to clean. Do not use mineral oils such as gasoline or kerosene.

Check inside surface of cylinder for score, rust wear, damage or foreign materials. If any of the
above conditions are observed, replace cylinder body.
SBR028A
BRD0041D
PFIA0269E

BRC-60
[VDC/TCS/ABS]
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
Revision: 2004 November 2004 FX35/FX45
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)PFP:47660
Removal and InstallationAFS001Z5
REMOVAL
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Loosen brake tube flare nuts, then remove brake tubes from ABS actuator and electric unit (control unit).
3. Remove LH side fender protector. Refer to EI-25, "
FENDER PROTECTOR" .
4. Remove ABS actuator and electric unit (control unit) mounting nuts.
5. Remove ABS actuator and electric unit (control unit) from vehicle.
CAUTION:
Be careful of the following when removing ABS actuator and electric unit (control unit).

If the part number on the part number label (pasted on actuator upper surface) is the same, ABS
actuator and electric unit (control unit) cannot be used on another vehicle.
If it is used on another vehicle, ABS warning lamp, SLIP indicator lamp and VDC OFF indicator
lamp may turn ON or VDC/TCS/ABS may not operate normally.
When replacing ABS actuator and electric unit (control unit), must use new service parts.

Before servicing, disconnect battery cables.

To remove brake tube, use a flare nut wrench to prevent flare nuts and brake tube from being dam-
aged. To install, use a flare nut torque wrench (commercial service tool) and tighten to the speci-
fied torque.

Do not apply excessive impact to actuator, such as dropping it.

Do not remove and install ABS actuator and electric unit (control unit) by holding harness.
INSTALLATION
To install, follow procedure for removal in reverse order.
CAUTION:
Be careful of the following when installing ABS actuator and electric unit (control unit).

Tighten the mounting bolts and nuts to the specified torque.

After the work, bleed air from brake piping. Refer to BR-10, "Bleeding Brake System" .
PFIA0601E

IDX-6
ALPHABETICAL INDEX
M
M/ANT - Wiring diagram .................................... AV-50
MAFS - Wiring diagram ..... EC-168, EC-175, EC-825,
EC-832
, EC-1066
Magnet clutch ................................. ATC-84, ATC-143
MAIN - Wiring diagram ...................... EC-136, EC-785
Maintenance (engine)(VQ35DE) ...................... MA-14
Major overhaul (Final drive) ............................ RFD-14
Major overhaul (Transfer) .................................. TF-45
Mass air flow sensor (MAFS) ............ EC-165, EC-173,
EC-822
, EC-830, EC-1064
Meter ..................................................................... DI-4
METER - Wiring diagram ...................................... DI-9
MIL data link connectors circuit ....... EC-641, EC-1318
MIL/DL - Wiring diagram .................. EC-641, EC-1318
Mirror, door ..................................................... GW-113
Mirror, out side ................................................ GW-113
Misfire ................................................ EC-291, EC-949
Mode door control linkage adjustment ............. ATC-72
Mode door motor ............................ ATC-70, ATC-130
Molding - See Exterior ................... EI-26, EI-30, EI-33
Multiport fuel injection (MFI) system .... EC-32, EC-679
Multiport fuel injection precautions ....................... GI-7
N
NATS - Wiring diagram .................................... BL-209
NAVI - Wiring diagram ..................................... AV-107
Navigation system ............................................. AV-88
Nissan torque demand (NTD) control system .. EC-682
NVH troubleshooting (EM) .............................. EM-166
NVH troubleshooting (EM)(VQ35DE) ............... EM-13
NVH troubleshooting (Transfer) ........................... TF-7
NVIS (Nissan vehicle immobilizer system) precautions
GI-3
O
O2H1B1 - Wiring diagram .................. EC-151
, EC-808
O2H1B2 - Wiring diagram .................. EC-153, EC-810
O2H2B1 - Wiring diagram .................. EC-159, EC-816
O2H2B2 - Wiring diagram .................. EC-161, EC-818
O2S1B1 - Wiring diagram .. EC-207, EC-217, EC-229,
EC-865
, EC-875, EC-887
O2S1B2 - Wiring diagram .. EC-209, EC-219, EC-231,
EC-867
, EC-877, EC-889
O2S2B1 - Wiring diagram .. EC-238, EC-248, EC-449,
EC-460
, EC-896, EC-906, EC-1119, EC-1130
O2S2B2 - Wiring diagram .. EC-240, EC-250, EC-451,
EC-462
, EC-898, EC-908, EC-1121, EC-1132
Oil cooler (engine)(VQ35DE) ............................. LU-14
Oil filter(VK45DE) .............................................. LU-28
Oil filter(VQ35DE) .............................................. LU-10
Oil pan (engine)(VK45DE) .............................. EM-181
Oil pan (engine)(VQ35DE) ................................ EM-30
Oil pressure (engine)(VK45DE) ......................... LU-25
Oil pressure (engine)(VQ35DE) ........................... LU-8
Oil pressure relief valve (engine)(VQ35DE) ........ LU-6
Oil pump (A/T) ................................................. AT-303
Oil pump (engine)(VK45DE) .............................. LU-31
Oil pump (engine)(VQ35DE) .............................. LU-17
Oil pump regulator valve (engine)(VK45DE) ...... LU-31
Oil pump regulator valve (engine)(VQ35DE) ..... LU-17
Oil seal replacement (engine)(VK45DE) ......... EM-221
Oil seal replacement (engine)(VQ35DE) .......... EM-94
Oil seal replacement (front of final drive) FFD-7, RFD-7
Oil seal replacement (side of final drive) FFD-9, RFD-9
ORVR (On-board Refueling Vapor Recovery) EC-650,
EC-1327
Out side mirror ............................................... GW-113
Overheat ........................................................ EC-1142
P
P/SCKT - Wiring diagram ................................ WW-54
Park/Neutral position switch ........... EC-545, EC-1211
Park/neutral position switch (A/T) .................... AT-112
Parking brake control ........................................... PB-3
PCV (positive crankcase ventilation) EC-655, EC-1332
Personal lamp ..................................... LT-151, LT-184
PGC/V - Wiring diagram .... EC-337, EC-496, EC-992,
EC-1162
PHSB1 - Wiring diagram .................................. EC-309
PHSB2 - Wiring diagram .................................. EC-311
Pilot bushing replacement - See Pilot
converter(VQ35DE) ........................................ EM-121
Piston assembly(VK45DE) ............................. EM-250
Piston assembly(VQ35DE) ............................. EM-131
Piston pin inspection(VK45DE) ....................... EM-256
Piston pin inspection(VQ35DE) ...................... EM-136
Piston ring inspection(VK45DE) ..................... EM-257
Piston ring inspection(VQ35DE) ..................... EM-137
Piston to bore clearance(VK45DE) ................. EM-260
Piston to bore clearance(VQ35DE) ................ EM-140
PNP/SW - Wiring diagram .............. EC-547, EC-1213
POS - Wiring diagram ....................... EC-303, EC-961
POWER - Wiring diagram ................................... PG-4
Power door mirror .............................................. BL-22
Power seat ......................................................... SE-93
Power socket ................................................... WW-54
Power steering fluid level ........................ PS-8, MA-36
Power steering gear ........................................... PS-19
Power steering hydraulic pressure .................... PS-31
Power steering oil pump .................................... PS-31
Power steering system bleeding .......................... PS-8
Power supply routing .......................................... PG-3
Power window .................................................. GW-15
PRE/SE - Wiring diagram EC-354, EC-360, EC-1009,
EC-1016
Precations for Leak detection dye .................. ATC-16
Precautions (General) ........................................... GI-4
Pressure switch 1 .............................. AT-158, AT-178
Pressure switch 2 ............................................ AT-170
Pressure switch 3 .............................. AT-154, AT-180
Pressure switch 5 .............................. AT-162, AT-182
Pressure switch 6 .............................. AT-166, AT-184
Pressure test (A/T) ............................................. AT-52

PS-1
POWER STEERING SYSTEM
G STEERING
CONTENTS
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M
SECTION PS
A
B
PS
Revision: 2004 November 2004 FX35/FX45
POWER STEERING SYSTEM
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect .......................................... 3
OPERATION PROCEDURE ................................. 3
Precautions for Steering System .............................. 3
PREPARATION ........................................................... 5
Special Service Tools (SST) ..................................... 5
Commercial Service Tools ........................................ 6
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ................................................ 7
NVH Troubleshooting Chart ..................................... 7
POWER STEERING FLUID ........................................ 8
Checking Fluid Level ................................................ 8
Checking Fluid Leakage ........................................... 8
Air Bleeding Hydraulic System ................................. 8
STEERING WHEEL .................................................. 10
On-Vehicle Inspection and Service ........................ 10
CHECKING CONDITION OF INSTALLATION .... 10
CHECKING STEERING WHEEL PLAY .............. 10
CHECKING NEUTRAL POSITION ON STEER-
ING WHEEL ........................................................ 10
CHECKING STEERING WHEEL TURNING
FORCE ................................................................ 10
CHECKING FRONT WHEEL TURNING ANGLE .... 11
Removal and Installation ......................................... 11
STEERING COLUMN ............................................... 12
Removal and Installation ........................................ 12
REMOVAL ........................................................... 12
INSPECTION AFTER REMOVAL ....................... 14
INSTALLATION ................................................... 14
INSPECTION AFTER INSTALLATION ............... 14
Components (without Automatic Drive Positioner) ... 15
Disassembly and Assembly ................................... 15
DISASSEMBLY ................................................... 15
ASSEMBLY ......................................................... 16Components (with Automatic Drive Positioner) ...... 17
Disassembly and Assembly .................................... 18
DISASSEMBLY ................................................... 18
ASSEMBLY ......................................................... 18
POWER STEERING GEAR AND LINKAGE ............ 19
Removal and Installation ........................................ 19
REMOVAL ........................................................... 19
INSTALLATION ................................................... 20
INSPECTION AFTER INSTALLATION ................ 21
Disassembly and Assembly .................................... 22
DISASSEMBLY ................................................... 23
INSPECTION AFTER DISASSEMBLY ................ 25
ASSEMBLY ......................................................... 26
POWER STEERING OIL PUMP ............................... 31
On-Vehicle Inspection and Service ......................... 31
CHECKING RELIEF OIL PRESSURE (VQ35DE
MODELS) ............................................................ 31
CHECKING RELIEF OIL PRESSURE (VK45DE
MODELS) ............................................................ 31
Removal and Installation (VQ35DE models) .......... 32
REMOVAL ........................................................... 32
INSTALLATION ................................................... 33
Removal and Installation (VK45DE models) .......... 33
REMOVAL ........................................................... 33
INSTALLATION ................................................... 33
Disassembly and Assembly (VQ35DE models) ..... 33
INSPECTION BEFORE DISASSEMBLY ............. 33
DISASSEMBLY ................................................... 34
INSPECTION AFTER DISASSEMBLY ................ 34
ASSEMBLY ......................................................... 34
Disassembly and Assembly (VK45DE models) ...... 37
INSPECTION BEFORE DISASSEMBLY ............. 37
DISASSEMBLY ................................................... 37
INSPECTION AFTER DISASSEMBLY ................ 38
ASSEMBLY ......................................................... 38
HYDRAULIC LINE .................................................... 41
Components ........................................................... 41
Removal and Installation ........................................ 43
Component ............................................................. 44
Removal and Installation ........................................ 45

PS-8
POWER STEERING FLUID
Revision: 2004 November 2004 FX35/FX45
POWER STEERING FLUIDPFP:KLF20
Checking Fluid LevelAGS000GT

Stop engine before performing a fluid level check.

Ensure that fluid level is between the MAX range and MIN level.

Because fluid level differs within the HOT range and the COLD
range, check it carefully.
CAUTION:

Do not overfill the Max level.

Do not reuse any used power steering fluid.

Recommended fluid is Genuine NISSAN PSF or equivalent.
Checking Fluid LeakageAGS000GU
Check the hydraulic piping lines for improper attachment and for
leaks, cracks, damage, loose connections, chafing or deterioration.
1. Run engine until fluid temperature reaches 50 to 80° C (122 to
176°F) in reservoir tank. Keep engine speed idle.
2. Turn steering wheel right-to-left several times.
3. Hold steering wheel at each “lock” position for five seconds to
check fluid leakage.
CAUTION:
Do not hold steering wheel in a locked position for more
than 10 seconds. (There is the possibility that oil pump may
be damaged.)
4. If fluid leakage at connections is noticed, then loosen flare nut and then retighten. Do not over tighten con-
nector as this can damage O-ring, washer and connector.
5. If fluid leakage from oil pump is noticed, check oil pump. Refer to PS-31, "
POWER STEERING OIL
PUMP" .
6. Check steering gear boots for accumulation of fluid indicating a from steering gear.
Air Bleeding Hydraulic SystemAGS000GV
Incomplete air bleeding causes the following. When this happens, bleed air again.

Generation of air bubbles in reservoir tank.

Generation of clicking noise in oil pump.

Excessive buzzing in oil pump.
NOTE:
When vehicle is stationary or while steering wheel is being turned slowly, some noise may be heard from
oil pump or gear. This noise is normal and does not affect any system.
1. Stop engine, and then turn steering wheel fully to right and left several times.
CAUTION:
Do not allow steering fluid reservoir tank to go below the low-level line. Check tank frequently and
add fluid as needed.
2. Run engine at idle speed. Turn steering wheel fully to the right and then fully to the left, and keep for about
three seconds. Then check whether a fluid leakage has occurred.
3. Repeat the 2nd procedure several times at about three seconds intervals.
CAUTION:
Do not hold steering wheel in the locked position more than 10 seconds. (There is the possibility
that oil pump may be damaged.)
4. Check generation of air bubbles and cloud in fluid.HOT : Fluid temperatures from 50 to 80 °C (122 to
176°F)
COLD : Fluid temperatures from 0 to 30°C (32 to 86°F)
SGIA0232J
SGIA0506E

POWER STEERING FLUID
PS-9
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2004 November 2004 FX35/FX45
5. If air bubbles and the cloud don't fade, stop engine, hold air bleeding until air bubbles and the cloud fade.
Perform the 2nd and the 3rd procedures again.
6. Stop engine, check fluid level.

POWER STEERING GEAR AND LINKAGE
PS-21
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2004 November 2004 FX35/FX45

When steering wheel is set in the straight ahead direction, con-
firm slit of lower joint fits with the projection on rear cover cap,
furthermore marking position on steering gear assembly nearly
fits with the projection on rear cover cap.

After installation, bleed air from piping. Refer to PS-8, "Air
Bleeding Hydraulic System" .
INSPECTION AFTER INSTALLATION
Check if steering wheel turns smoothly when it is turned several times fully to the end of the left and right.
SGIA0539E

POWER STEERING OIL PUMP
PS-31
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2004 November 2004 FX35/FX45
POWER STEERING OIL PUMPPFP:49110
On-Vehicle Inspection and ServiceAGS000H2
CHECKING RELIEF OIL PRESSURE (VQ35DE MODELS)
CAUTION:
Before starting work, confirm belt tension is proper.
1. Connect oil pressure gauge (SST) and oil pressure gauge
adapter (SST) between oil pump discharge connector and high
pressure hose and then bleed air from the hydraulic circuit.
2. Start engine. Allow engine to run until tank temperature reaches
50 to 80°C (122 to 176°F).
CAUTION:

Warm up engine with shut-off valve fully opened. If
engine is started with shut-off valve closed, fluid pres-
sure in power steering pump increases to maximum. This
will raise fluid temperature excessively.

Be careful not to contact hose with belt when engine is
started.
3. With engine at idle, close shut-off valve and read the relief oil
pressure.
CAUTION:
Do not close shut-off valve of pressure gauge for more than 10 seconds.
4. After measurement, open shut-off valve slowly.
If relief oil pressure is outside the specification, disassemble and repair oil pump. Refer to PS-33, "
Disas-
sembly and Assembly (VQ35DE models)" .
5. After inspection, disconnect oil pressure gauge (SST) and oil pressure gauge adapter (SST) from hydrau-
lic circuit, connect oil pump discharge connector and high pressure hose. Add fluid and bleed air from
hydraulic circuit thoroughly.
Refer to PS-8, "
Air Bleeding Hydraulic System" .
CHECKING RELIEF OIL PRESSURE (VK45DE MODELS)
CAUTION:
Before starting work, confirm belt tension is proper.
SGIA0570E
SST
Pressure gaugeKV48103500
(J26357&J26357-10)
Oil pump sideEye joint KV48102500-01 ( — )
Washer KV48102500-04 ( — )
Bolt KV48102500-03 ( — )
High pressure
piping sideFlare joint KV48102500-02 ( — )
Washer KV48102500-04 ( — )
Bolt KV48102500-03 ( — )
Relief oil pressure:
9,900 - 10,700 kPa (101 - 109 kg/cm
2 , 1449 - 1564 psi)
SGIA0522E