Removal and Installation

CHARGING SYSTEM

Removal and Installation

VQ35DE ENGINE MODELS

SC-29 Exploded View:

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.




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 mounting 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.

Alternator Pulley Inspection
Perform the following.
- Make sure that alternator pulley does not rattle.
- Make sure that alternator pulley nut is tight.

Alternator pulley nut Torque : 118 N.m (12.0 kg-m, 87 ft-lb)

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-14, "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 system operation inspection should be performed after replacing the alternator, and then make sure that the system operates normally. Refer to SC-27, "Power Generation Voltage Variable Control System Operation Inspection". Component Tests and General Diagnostics