GI-11 INFINITI M35 2007 Factory Owner's Guide

BRAKE MASTER CYLINDER
BR-15
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2007 April2007 M35/M45
Disassembly and AssemblyNFS000S5
COMPONENTS
DISASSEMBLY
CAUTION:

Master cylinder cannot be disassembled.

Remove reservoir tank only when absolutely necessary.

When securing master cylinder assembly in a vise, be sure not to over-tighten.

When securing in a vise use copper plates or cloth to protect the flange.
1. Using a pin punch [commercial service tool: diameter approxi-
mately 4 mm (0.16 in)], remove mounting pin on reservoir tank.
2. Remove reservoir tank and grommet from cylinder body.
1. Reservoir cap 2. Oil strainer 3. Reservoir tank
4. Grommet 5. Pin 6. Master cylinder assembly
7. O-ring 8. Brake fluid level switch connector
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
: Apply brake fluid.
SFIA2955E
BRA0559D

BR-18
BRAKE BOOSTER
Revision: 2007 April2007 M35/M45
Removal and InstallationNFS000S8
COMPONENTS
CAUTION:

Be careful not to deform or bend brake tube while removing and installing brake booster.

Replace clevis pin if it is damaged.

Be careful not to damage brake booster stud bolt threads. If brake booster is tilted during installa-
tion, the dash panel may damage the threads.
REMOVAL
1. Remove cowl top. Refer to EI-18, "Removal and Installation" .
2. Remove brake master cylinder. Refer to BR-14, "
Removal and
Installation" .
3. Disconnect front left brake tube from ABS actuator and electric
unit (control unit). Refer to BR-11, "
Hydraulic Circuit" .
4. Remove vacuum hose from brake booster. Refer to BR-20,
"Components" .
5. Remove snap pin and clevis pin from inside vehicle.
6. Remove nuts on brake booster and brake pedal assembly.
7. Remove brake booster from dash panel in engine room side.
INSTALLATION
1. Loosen lock nut to adjust input rod length so that length “B” (in
the figure) satisfies the specified value.
2. After adjusting “B”, temporarily tighten lock nut to install booster
assembly to vehicle. At this time, make sure that a gasket
between booster assembly and dash panel is installed.
CAUTION:
Always install gasket between brake booster and dash
panel.
3. Connect brake pedal with clevis of input rod.
1. Master cylinder assembly 2. Brake booster 3. Lock nut
4. Brake pedal 5. Gasket
Refer to GI-11, "
Components" , for the symbols in the figure.
SFIA2956E
SFIA2044E
Length “B” : 125 mm (4.92 in)
SGIA0060E

BR-22
FRONT DISC BRAKE
Revision: 2007 April2007 M35/M45
FRONT DISC BRAKEPFP:41000
On-Board InspectionNFS000SC
PAD WEAR INSPECTION

Check pad thickness from an inspection hole on cylinder body.
Check using a scale if necessary.
ComponentsNFS000SD
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of air borne
particles or other materials.
CAUTION:

While removing cylinder body, do not depress brake pedal because piston will pop out. Standard thickness : 11.0 mm (0.433 in)
Repair limit thickness : 2.0 mm (0.079 in)
MAA0439D
1. Union bolt 2. Copper washer 3. Brake hose
4. Cap 5. Bleed valve 6. Sliding pin bolt
7. Piston seal 8. Piston 9. Piston boot
10. Cylinder body 11. Sliding pin 12. Torque member mounting bolt
13. Washer 14. Sliding pin boot 15. Bushing
16. Torque member 17. Inner shim cover 18. Inner shim
19. Inner pad 20. Pad retainer 21. Pad wear sensor
22. Outer pad 23. Outer shim 24. Outer shim cover
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
1: Apply rubber grease.
2: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
3: Apply polyglycol ether based lubricant.
: Apply brake fluid.
PFIA0820E

BR-28
REAR DISC BRAKE
Revision: 2007 April2007 M35/M45
REAR DISC BRAKEPFP:44000
On-Board InspectionNFS000SH
PAD WEAR INSPECTION

Check pad thickness from an inspection hole on cylinder body.
Check using a scale if necessary.
ComponentsNFS000SI
Standard
Standard thickness : 8.5 mm (0.335 in)
Repair limit thickness : 2.0 mm (0.079 in)
BRA0010D
1. Union bolt 2. Brake hose 3. Copper washer
4. Cap 5. Bleed valve 6. Sliding pin bolt
7. Cylinder body 8. Piston seal 9. Piston
10. Piston boot 11. Retaining ring 12. Inner shim cover
13. Inner shim 14. Inner pad 15. Pad retainer
16. Outer pad 17. Outer shim 18. Sliding pin boot
19. Bushing 20. Torque member mounting bolt 21. Washer
22. Torque member 23. Pad wear sensor 24. Inner pad (RH)
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
1: Apply rubber grease.
2: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
PFIA0705J

BRC-54
[VDC/TCS/ABS]
WHEEL SENSOR
Revision: 2007 April2007 M35/M45
WHEEL SENSORPFP:47910
Removal and InstallationNFS000RA
COMPONENT
NOTE:
The above figure (front side) shows left side. Right side is the mirror image.
REMOVAL
Pay attention to the following when removing sensor.
CAUTION:

Do not twist sensor harness as much as possible, when removing it. Pull sensors out without pull-
ing on sensor harness.

Take care to avoid damaging sensor edges or rotor teeth. Remove wheel sensor first before
removing front or rear wheel hub. This is to avoid damage to sensor wiring and loss of sensor
function.
INSTALLATION
Pay attention to the following when installing wheel sensor. Tighten installation bolts to the specified torques.
Refer to BRC-54, "
COMPONENT" .
1. Front LH wheel sensor 2. Front LH wheel sensor connector 3. Clamp
4. Bracket 5. Rear RH wheel sensor connector 6. Rear LH wheel sensor connector
7. Rear LH wheel sensor 8. Rear RH wheel sensor
A. Front side B. Rear side : Front
Refer to GI section GI-11, "
Components" for symbol marks in the figure.
SFIA2723J

ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
BRC-57
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Revision: 2007 April2007 M35/M45
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)PFP:47660
Removal and InstallationNFS000RC
COMPONENT
CAUTION:
Be careful of the following.

Before servicing, disconnect the battery cable from negative terminal.

To remove brake tube, use a flare nut wrench to prevent flare nuts and brake tube from being dam-
aged. To install, use flare nut torque wrench.

Do not apply excessive impact to ABS actuator and electric unit (control unit), such as dropping it.

Do not remove and install actuator by holding harness.

After work is completed, bleed air from brake tube. Refer to BR-10, "Bleeding Brake System" .

After installing harness connector in the ABS actuator and electric unit (control unit), make sure
connector is securely locked.
REMOVAL
1. Remove cowl top cover. Refer to EI-18, "REMOVAL" .
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Loosen brake tube flare nuts, then remove brake tubes from ABS actuator and electric unit (control unit).
4. Remove tire.
5. Remove fender protector (rear): (front LH side). Refer to EI-20, "
REMOVAL" .
6. Remove ABS actuator and electric unit (control unit) bracket mounting nut.
1. ABS actuator and electric unit (con-
trol unit)2. Connector 3. To front RH brake caliper
4. To rear LH brake caliper 5. To rear RH brake caliper 6. To front LH brake caliper
7. From master cylinder primary side 8. From master cylinder secondary side 9. Bushing
10. Bracket A. Left side of dash panel
Refer to GI section GI-11, "
Components" for symbol marks in the figure.
SFIA3018E

CO-14
[VQ35DE]
RADIATOR
Revision: 2007 April2007 M35/M45
RADIATORPFP:21400
ComponentsNBS004QS

Refer to GI-11, "Components" for symbols in the figure.
Removal and InstallationNBS004QT
WARNING:
Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine
coolant escaping from radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a turn to
release built-up pressure. Carefully remove radiator cap by turning it all the way.
REMOVAL
1. Remove the following parts:

Front engine undercover (power tool).

Engine room cover (RH and LH). Refer to EM-15, "ENGINE ROOM COVER" .

Air duct (inlet) and air cleaner case assembly. Refer to EM-19, "AIR CLEANER AND AIR DUCT" .
1. Reservoir tank cap 2. Reservoir tank 3. Reservoir tank bracket
4. Reservoir tank hose 5. Radiator hose (upper) 6. Air guide
7. Mount bracket (RH) 8. Mounting rubber (upper) 9. A/C condenser
10. Radiator cap 11. Mount bracket (LH) 12. Radiator
13. Mounting rubber (lower) 14. A/T fluid cooler hose 15. A/T fluid cooler hose
16. O-ring 17. Drain plug 18. Radiator hose (lower)
19. Cooling fan assembly
A. To water outlet B. To water inlet C. To transmission
D. To transmission
PBIC4717E

WATER INLET AND THERMOSTAT ASSEMBLY
CO-29
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
Revision: 2007 April2007 M35/M45
WATER INLET AND THERMOSTAT ASSEMBLYPFP:21200
ComponentsNBS004R3

Refer to GI-11, "Components" for symbols in the figure.
Removal and InstallationNBS004R4
REMOVAL
1. Remove engine room cover (RH and LH). Refer to EM-15, "ENGINE ROOM COVER" .
2. Remove air duct (inlet). Refer to EM-19, "
AIR CLEANER AND AIR DUCT" .
3. Remove front engine undercover using power tool.
4. Drain engine coolant from radiator drain plug at the bottom of radiator, and from water drain plug at the
front of cylinder block. Refer to CO-11, "
Changing Engine Coolant" and CO-24, "WATER PUMP" .
CAUTION:

Perform this step when the engine is cold.

Do not spill engine coolant on drive belts.
5. Disconnect radiator hose (lower) and oil cooler water hose from water inlet and thermostat assembly.
6. Remove water inlet and thermostat assembly.
CAUTION:
Do not disassemble water inlet and thermostat assembly.
Replace them as a unit, if necessary.
1. Water inlet and thermostat assembly 2. Gasket
A. To oil cooler
PBIC5002E
SLC962AB

RADIATOR
CO-43
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
Revision: 2007 April2007 M35/M45
RADIATORPFP:21400
ComponentsNBS004RG

Refer to GI-11, "Components" for symbols in the figure.
Removal and InstallationNBS004RH
WARNING:
Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine
coolant escaping from thermostat housing. Wrap a thick cloth around radiator cap. Slowly turn it a
quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
REMOVAL
1. Remove the following parts:

Front engine undercover (power tool).

Engine room cover (RH and LH). Refer to EM-173, "ENGINE ROOM COVER" .

Air duct (inlet) and air cleaner case assembly. Refer to EM-177, "AIR CLEANER AND AIR DUCT" .
2. Remove front grille and front grille support. Refer to EI-16, "
FRONT GRILLE" .
3. Drain engine coolant from radiator. Refer to CO-40, "
ENGINE COOLANT" .
1. Reservoir tank cap 2. Reservoir tank 3. Reservoir tank bracket
4. Reservoir tank hose 5. Radiator hose (upper) 6. Air guide
7. Mount bracket (RH) 8. Mounting rubber (upper) 9. A/C condenser
10. Mount bracket (LH) 11. Radiator 12. Mounting rubber (lower)
13. A/T fluid cooler hose 14. A/T fluid cooler hose 15. O-ring
16. Drain plug 17. Radiator hose (lower) 18. Cooling fan assembly
A. To thermostat housing B. To water suction pipe C. To transmission
PBIC4718E

WATER PUMP
CO-53
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
Revision: 2007 April2007 M35/M45
WAT E R P U MPPFP:21020
ComponentsNBS004RP

Refer to GI-11, "Components" for symbols in the figure.
Removal and InstallationNBS004RQ
CAUTION:

When removing water pump, be careful not to get engine coolant on drive belts.

Water pump can not be disassembled and should be replaced as a unit.

After installing water pump, connect hose and clamp securely, then check for leaks using radiator
cap tester (commercial service tool) and radiator cap tester adapter (commercial service tool).
REMOVAL
1. Remove following parts:

Front engine undercover (power tool)

Engine cover: Refer to EM-179, "INTAKE MANIFOLD" .

Engine room cover (RH and LH): Refer to EM-173, "ENGINE ROOM COVER" .

Air duct (inlet): Refer to EM-177, "AIR CLEANER AND AIR DUCT" .

Alternator, water pump and A/C compressor belt: Refer to EM-174, "DRIVE BELTS" .
2. Drain engine coolant from drain plugs on radiator and both side of cylinder block. Refer to CO-40, "
Chang-
ing Engine Coolant" and EM-253, "DISASSEMBLY" .
CAUTION:

Perform this step when engine is cold.

Do not spill engine coolant on drive belts.
3. Remove water pump pulley.
4. Remove water pump.

Engine coolant will leak from cylinder block, so have a receptacle ready under vehicle.
CAUTION:

Handle the water pump vane so that it does not contact any other parts.

Do not disassemble water pump.
1. Water pump 2. Water pump pulley 3. Gasket
PBIC3396E