alternator belt INFINITI FX35 2007 Owner's Manual

MA-40
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2006 July 2007 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Standard and LimitNLS00075
BELT DEFLECTION AND TENSION (VQ35DE)
*: If belt tension gauge cannot be installed at check points shown, check drive belt tension at different location on the belt.
BELT DEFLECTION AND TENSION (VK45DE)
ENGINE COOLANT CAPACITY (APPROXIMATE) (VQ35DE)
Unit: (US qt, lmp qt)
ENGINE COOLANT CAPACITY (APPROXIMATE) (VK45DE)
Unit: (US qt, lmp qt)
RADIATOR
Unit: kPa (kg/cm2 , psi)
ENGINE OIL CAPACITY (APPROXIMATE) (VQ35DE)
Unit: (US qt, lmp qt)
Deflection adjustment Unit: mm (in) Tension adjustment* Unit: N (kg, lb)
Used belt New belt Used belt
New belt
Limit After adjustment Limit After adjustment
Alternator and
power steering
oil pump belt 7 (0.28)
4 - 5
(0.16 - 0.20) 3.5 - 4.5
(0.138 - 0.177) 294 (30, 66) 730 - 818
(74.5 - 83.5,
164 - 184) 838 - 926
(85.5 - 94.5,
188 - 208)
A/C compressor
belt 12 (0.47)9 - 10
(0.35 - 0.39) 8 - 9
(0.31 - 0.35) 196 (20, 44) 348 - 436
(35.5 - 44.5, 78 - 98) 470 - 559
(48 - 57,
106 - 126)
Applied pushing
force 98 N (10 kg, 22 lb) —
KBIA1731J
Tension of drive belts Auto-adjustment by auto tensioner
Engine coolant capacity (With reservoir tank at “MAX” level) 8.6 (9-1/8, 7-5/8)
Reservoir tank engine coolant capacity (At “MAX” level) 0.8 (7/8, 3/4)
Engine coolant capacity (With reservoir tank at “MAX” level) 10.0 (10-5/8, 8-3/4)
Reservoir tank engine coolant capacity (At “MAX” level) 0.8 (7/8, 3/4)
Cap relief pressure Standard 78 - 98 (0.8 - 1.0, 11 - 14)
Limit 59 (0.6, 9)
Leakage testing pressure 157 (1.6, 23)
Drain and refill With oil filter change 4.7 (5, 4-1/8)
Without oil filter change 4.4 (4-5/8, 3-7/8)
Dry engine (Overhaul) 5.4 (5-3/4, 4-3/4)

SC-1
STARTING & CHARGING SYSTEM
K ELECTRICAL
CONTENTS
C
D E
F
G H
I
J
L
M
SECTION
A
B
SC
Revision: 2006 July 2007 FX35/FX45
STARTING & CHARGING SYSTEM
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
PREPARATION ...................................................... ..... 4
Special Service Tools .......................................... ..... 4
Commercial Service Tools ................................... ..... 4
BATTERY ............................................................... ..... 5
How to Handle Battery ........................................ ..... 5
METHODS OF PREVENTING OVER-DIS-
CHARGE .......................................................... ..... 5
CHECKING ELECTROLYTE LEVEL ............... ..... 6
SPECIFIC GRAVITY CHECK .......................... ..... 6
CHARGING THE BATTERY ............................ ..... 7
Trouble Diagnosis with Battery/Starting/Charging
System Tester (Battery) ....................................... ..... 8
DIAGNOSTIC RESULT ITEM CHART ............. ..... 9
Removal and Installation ..................................... ... 10
REMOVAL ........................................................ ... 10
INSTALLATION ................................................ ... 10
STARTING SYSTEM ............................................. ....11
System Description ............................................. .... 11
Wiring Diagram — START — .............................. ... 12
VK45DE ENGINE MODELS ............................ ... 12
VQ35DE ENGINE MODELS ............................ ... 13
Trouble Diagnosis with Battery/Starting/Charging
System Tester (Starting) ...................................... ... 14
DIAGNOSTIC RESULT ITEM CHART ............. ... 14
WORK FLOW ................................................... ... 15
DIAGNOSTIC PROCEDURE 1 ........................ ... 16
DIAGNOSTIC PROCEDURE 2 ........................ ... 17
MINIMUM SPECIFICATION OF CRANKING
VOLTAGE REFERENCING COOLANT TEM-
PERATURE ...................................................... ... 17
Removal and Installation (VK45DE Engine Models) ... 18
REMOVAL ........................................................ ... 18
INSTALLATION ................................................ ... 18
Removal and Installation [VQ35DE Engine Models
(2WD)] ................................................................. ... 19
REMOVAL ........................................................ ... 19 INSTALLATION ................................................
... 19
Removal and Installation [VQ35DE Engine Models
(AWD)] ................................................................. ... 20
REMOVAL ........................................................ ... 20
INSTALLATION ................................................ ... 20
Disassembly and Assembly ................................. ... 21
VK45DE ENGINE MODELS (M002T85075) .... ... 21
VQ35DE ENGINE MODELS (2WD) (S114-880) ... 22
VQ35DE ENGINE MODELS (AWD) (S114-881) ... 23
Inspection After Disassembly .............................. ... 23
PINION/CLUTCH CHECK ................................ ... 23
CHARGING SYSTEM ............................................ ... 24
System Description .............................................. ... 24
MALFUNCTION INDICATOR ........................... ... 24
Wiring Diagram — CHARGE — .......................... ... 25
VK45DE ENGINE MODELS ............................. ... 25
VQ35DE ENGINE MODELS ............................ ... 26
Trouble Diagnosis with Battery/Starting/Charging
System Tester (Charging) .................................... ... 27
DIAGNOSTIC RESULT ITEM CHART ............. ... 28
WORK FLOW ................................................... ... 29
PRELIMINARY INSPECTION .......................... ... 30
DIAGNOSTIC PROCEDURE 1 ........................ ... 31
DIAGNOSTIC PROCEDURE 2 ........................ ... 32
DIAGNOSTIC PROCEDURE 3 ........................ ... 32
DIAGNOSTIC PROCEDURE 4 ........................ ... 33
Removal and Installation (VK45DE Engine Models) ... 34
REMOVAL ........................................................ ... 34
ALTERNATOR PULLEY INSPECTION ............ ... 35
INSTALLATION ................................................ ... 35
Removal and Installation (VQ35DE Engine Models) ... 35
REMOVAL ........................................................ ... 35
ALTERNATOR PULLEY INSPECTION ............ ... 36
INSTALLATION ................................................ ... 36
Disassembly and Assembly ................................. ... 37
VK45DE ENGINE MODELS (LR1110-716V) .... ... 37
VQ35DE ENGINE MODELS (A3TG0191) ....... ... 38
SERVICE DATA AND SPECIFICATIONS (SDS) ... ... 39
Battery ................................................................. ... 39

SC-30
CHARGING SYSTEM
Revision: 2006 July 2007 FX35/FX45
PRELIMINARY INSPECTION
1. CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight.
OK or NG
OK >> GO TO 2.
NG >> Repair battery terminals connection.
2. CHECK FUSE AND FUSIBLE LINK
Check for blown alternator and combination meter fuses.
OK or NG
OK >> GO TO 3.
NG >> If fuse is blown, be sure eliminate cause of malfunction before installing new fuse.
3. CHECK “E” TERMINAL CONNECTION
Check if “E” terminal is clean and tight.
OK or NG
OK >> GO TO 4.
NG >> Repair “E” terminal connection.
4. CHECK ALTERNATOR DRIVE BELT TENSION
Check alternator drive belt tension. Refer to EM-174, "
Checking Drive Belts" (VK45DE) or EM-15, "Checking
Drive Belts" (VQ35DE).
OK or NG
OK >> INSPECTION END
NG >> Repair as needed.
Unit Power source (Power supply terminals) Fuse No.
Alternator Battery (“S” terminal) 33
Combination meter Ignition switch ON (“L” terminal) 14

SC-34
CHARGING SYSTEM
Revision: 2006 July 2007 FX35/FX45
Removal and Installation (VK45DE Engine Models)NKS002UY
REMOVAL
1. Disconnect the battery cable from the negative terminal.
2. Remove engine front undercover, using power tools.
3. Remove radiator shroud (lower). Refer to CO-41, "
RADIATOR" .
4. Remove alternator, water pump and A/C compressor belt. Refer to EM-174, "
Removal and Installation" .
5. Remove alternator mounting bolts, using power tools.
6. Disconnect alternator connector.
7. Remove “B” terminal nut.
8. Remove alternator ground harness mounting bolt.
9. Remove alternator assembly downward from the vehicle.
1. Alternator ground harness mounting bolt 2. B terminal nut 3. B terminal harness
4. Alternator Nut 5. Alternator bracket 6. Alternator connector
7. Alternator 8. Alternator mounting bolt 9. Alternator stay
10. Alternator mounting bolt 11. Alternator stay mounting bolt 12. Alternator ground harness
: N·m (kg-m, in-lb) : N·m (kg-m, ft-lb) : Engine front
SKIB7209E
PKIA2954E
PKIA2820E

CHARGING SYSTEM SC-35
C
D E
F
G H
I
J
L
M A
B
SC
Revision: 2006 July 2007 FX35/FX45
ALTERNATOR PULLEY INSPECTION
Perform the following.

Make sure that alternator pulley does not rattle.

Make sure that alternator pulley nut is tight.
INSTALLATION
Installation is the reverse order of removal.

Install alternator, and check tension of belt. Refer to EM-174, "Checking Drive Belts" .
CAUTION:
Be sure to tighten “B” terminal nut carefully.
Removal and Installation (VQ35DE Engine Models)NKS004OT
REMOVAL
1. Disconnect the battery cable from the negative terminal.
2. Remove engine front undercover, using power tools.
3. Remove alternator and power steering oil pump belt. Refer to EM-16, "
Removal and Installation" .
4. Disconnect alternator connector.
5. Remove “B” terminal nut.
6. Remove harness clip and water hose bracket from alternator. Alternator pulley nut:
: 73.5 N·m (7.5 kg-m, 54 ft-lb)
1. B terminal nut 2. B terminal harness 3. Alternator connector
4. Alternator mounting bolt 5. Alternator stay mounting bolt 6. Alternator stay
7. Alternator
: N·m (kg-m, ft-lb) : Engine front
PKIB8815E
PKIA2358E

SC-36
CHARGING SYSTEM
Revision: 2006 July 2007 FX35/FX45
7. Remove oil pressure switch harness clip from alternator stay.
(2WD)
8. Disconnect oil pressure switch connector. (2WD)
9. Remove alternator stay mounting bolts and alternator stay, using power tools.
10. Remove alternator mounting bolt, using power tools.
11. Remove alternator assembly downward from the vehicle.
ALTERNATOR PULLEY INSPECTION
Perform the following.

Make sure that alternator pulley does not rattle.

Make sure that alternator pulley nut is tight.
INSTALLATION
Installation is the reverse order of removal.

Install alternator, and check tension of belt. Refer to EM-15, "Checking Drive Belts" .
CAUTION:
Be sure to tighten “B” terminal nut carefully.
PKIA1923E
Alternator pulley nut:
: 118 N·m (12.0 kg-m, 87 ft-lb)