Infiniti M35/M45 Y50. Manual — part 1049
CHARGING SYSTEM
SC-31
C
D
E
F
G
H
I
J
L
M
A
B
SC
Removal and Installation
NKS005C0
VQ35DE ENGINE MODELS
Removal (2WD Models)
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
.
4.
Disconnect alternator connector (1).
5.
Remove “B” terminal nut (2).
6.
Remove the harness bracket bolts (A).
7.
Remove oil pressure switch harness clip (A) from alternator stay.
8.
Disconnect oil pressure switch connector (1).
9.
Remove alternator mounting bolt (B) and alternator stay mount-
ing bolt (C) using power tools, then remove alternator stay (2).
10. Remove alternator mounting bolt (D), using power tools.
11. Remove alternator assembly downward from the vehicle.
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
SKIB2605J
PKIB8817E
SC-32
CHARGING SYSTEM
Removal (AWD Models)
1.
Disconnect the battery cable from the negative terminal.
2.
Remove power steering oil reservoir tank from the bracket.
3.
Remove the clips (A) and the hose clamp (B) from the harness
bracket (1).
4.
Remove engine front undercover, using power tools.
5.
Remove alternator and power steering oil pump belt. Refer to
6.
Remove alternator mounting bolt (A) and alternator stay mount-
ing bolt (B) using power tools, then remove alternator stay (1).
7.
Remove alternator mounting bolt (C), using power tools.
8.
Pull and turn alternator, and then remove the harness bracket
bolts (A).
9.
Disconnect alternator connector (1).
10. Remove “B” terminal nut (2).
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.
CAUTION:
Be sure to tighten “B” terminal nut carefully.
●
Install alternator, and check tension of belt. Refer to
●
For this model, the power generation voltage variable control system that controls the power generation
voltage of the alternator has been adopted. Therefore, the power generation voltage variable control sys-
tem operation inspection should be performed after replacing the alternator, and then make sure that the
system operates normally. Refer to
SC-29, "Power Generation Voltage Variable Control System Operation
PKIB8818E
PKIB8819E
SKIB2608J
Alternator pulley nut:
: 118 N·m (12.0 kg-m, 87 ft-lb)
CHARGING SYSTEM
SC-33
C
D
E
F
G
H
I
J
L
M
A
B
SC
VK45DE ENGINE MODELS
Removal
1.
Disconnect the battery cable from the negative terminal.
2.
Remove engine front undercover, using power tools.
3.
Remove “B” terminal nut (1).
4.
Disconnect alternator connector (2).
5.
Remove alternator ground harness mounting bolt (3).
6.
Remove the harness bracket bolts (A).
7.
Remove air intake duct. Refer to
EM-177, "AIR CLEANER AND AIR DUCT"
8.
Remove alternator, water pump and A/C compressor belt. Refer to
9.
Remove power steering oil reservoir tank (1) from the bracket,
engine coolant reservoir tank (2) and vacuum tank (3).
10. Remove the harness clips (A).
11. Remove alternator mounting bolts (B), using power tools.
12. Remove alternator assembly upward.
1.
Alternator ground harness
2.
“B” terminal nut
3.
“B” terminal harness
4.
Alternator nut
5.
Alternator bracket
6.
Alternator
7.
Alternator mounting bolt
8.
Alternator stay
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Engine front
PKIB8812E
PKIB8813E
PKIB8814E
SC-34
CHARGING SYSTEM
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.
CAUTION:
Be sure to tighten “B” terminal nut carefully.
●
Install alternator, and check tension of belt. Refer to
EM-174, "Checking Drive Belts"
●
For this model, the power generation voltage variable control system that controls the power generation
voltage of the alternator has been adopted. Therefore, the power generation voltage variable control sys-
tem operation inspection should be performed after replacing the alternator, and then make sure that the
system operates normally. Refer to
SC-29, "Power Generation Voltage Variable Control System Operation
Alternator pulley nut:
: 118 N·m (12.0 kg-m, 87 ft-lb)
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