Alternator: Service and Repair

ON-VEHICLE REPAIR

GENERATOR

Removal and Installation

VQ35DE

Removal
1. Disconnect the negative battery terminal.
2. Drain engine coolant.
3. Remove engine room cover.
4. Remove RH front wheel and tire assembly.
5. Remove front/right-side engine undercover.
6. Remove air cleaner and duct assembly.

7. Remove battery tray.
8. Remove cooling fan assembly.
9. Evacuate A/C system. Refer to "HFC-134a (R-134a) Service Procedure".
10. Remove the drive belt.
11. Remove the A/C compressor.
12. Remove idler pulley.
13. Remove A/C idler pulley.
14. Disconnect the oil pressure switch.
15. Disconnect the generator harness connectors.
16. Remove the generator bolt and nuts, using power tools.
17. Slide the generator out and remove.




Installation
Installation is in the reverse order of removal.

CAUTION:
Be sure to tighten "B" terminal nut carefully.
- Install generator and check tension of belt.

- For this model, the power generation voltage variable control system that controls the power generation voltage of the generator has been adopted. Therefore, the power generation voltage variable control system operation inspection should be performed after replacing the generator, and then make sure that the system operates normally. Refer to "System Description" in Charging System.