VQ40DE Models

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Generator (VQ40DE Models) With Torque Specifications

Courtesy of NISSAN NORTH AMERICA, INC.

NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

Removal

Disconnect the negative battery terminal. Refer to "REMOVAL AND INSTALLATION ".
Partially drain the engine coolant. Refer to "CHANGING ENGINE COOLANT ".
Remove engine room cover.
Remove air duct and resonator assembly. Refer to "EXPLODED VIEW ".
Remove upper radiator hose.
Disconnect coolant reservoir hose from radiator.
Remove the crankcase ventilation hose.
Remove the fan shroud. Refer to "EXPLODED VIEW ".
Remove engine cooling fan (Motor Driven Type). Refer to "REMOVAL AND INSTALLATION (MOTOR DRIVEN TYPE) ".
Remove the drive belt. Refer to "REMOVAL AND INSTALLATION ".
Remove the generator stay, using power tools.
Remove the generator upper bolt, using power tools.
Disconnect the generator harness connectors.
Remove the generator.

Installation

Installation is in the reverse order of removal.

Install the generator and check the tension of the drive belt. Refer to "CHECKING DRIVE BELTS ".
CAUTION: Tighten terminal nut carefully.

Terminal nut: 10.8 N.m (1.1 kg-m, 8 ft-lb)
For this model, the power generation variable voltage control system that controls the power generation voltage of the generator has been adopted. Therefore, the power generation variable voltage control system operation inspection should be performed after replacing the generator, and then make sure that the system operates normally. Refer to "DIAGNOSIS PROCEDURE ".