Infiniti QX56 (Z62). Manual - part 234

CHG

ALTERNATOR

CHG-25

< REMOVAL AND INSTALLATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

REMOVAL AND INSTALLATION

ALTERNATOR

Exploded View

INFOID:0000000006274877

REMOVAL

DISASSEMBLY

1.

Alternator bracket

2.

Alternator bracket mounting bolt

3.

“B” terminal harness

4.

“B” terminal nut

5.

Alternator connector

6.

Alternator

7.

Alternator stay

8.

Alternator mounting bolt (lower)

9.

Alternator stay mounting bolt

10. Ground harness

11.

Alternator mounting bolt (upper)

Refer to 

GI-4, "Components"

 for symbols in the figure.

JMMIA0361GB

CHG-26

< REMOVAL AND INSTALLATION >

ALTERNATOR

Type: A002TX1491

Removal and Installation

INFOID:0000000006274878

REMOVAL

1.

Disconnect the battery cable from the negative terminal. Refer to 

PG-164, "Removal and Installation"

.

2.

Remove front under cover. Refer to 

EXT-25, "Removal and Installation"

.

3.

Remove drive belt. Refer to 

EM-20, "Removal and Installation"

.

4.

Disconnect engine oil pressure switch connector (A) and alter-
nator connector (B).

5.

Remove harness bracket bolt (C).

6.

Remove “B” terminal nut (D) and disconnect “B” terminal har-
ness.

JMMIA0363GB

1.

Rear bearing

2.

Rotor assembly

3.

Retainer

4.

Front bearing

5.

Front bracket assembly

6.

Pulley

7.

Pulley nut

8.

Stator assembly

9.

IC voltage regulator assembly

10. Diode assembly

11.

Rear bracket assembly

12. Terminal set

Refer to 

GI-4, "Components"

 for symbols in the figure.

JMMIA0364ZZ

CHG

ALTERNATOR

CHG-27

< REMOVAL AND INSTALLATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

7.

Remove ground harness mounting bolt.

8.

Remove alternator mounting bolt (lower), and then alternator mounting bolt (upper).

9.

Remove A/T fluid cooler tube (1) from fan shroud (2).

10. Move A/T fluid cooler tube (1) and secure work space.

11. Remove alternator assembly (2) from underneath the vehicle. 

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Be careful to tighten “B” terminal nut carefully.
• Install alternator, and check tension of belt. Refer to 

EM-20, "Checking"

.

• For this model, the power generation voltage variable control system that controls the power gener-

ation 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 

CHG-17, "Inspection Procedure"

.

• When installing alternator bracket, tighten mounting bolts in

numerical order as shown in the figure.

JMMIA0365ZZ

JMMIA0366ZZ

JMMIA0367ZZ

JMMIA0456ZZ

CHG-28

< REMOVAL AND INSTALLATION >

ALTERNATOR

Inspection

INFOID:0000000006274885

ALTERNATOR PULLEY INSPECTION

Perform the following.
• Make sure that alternator pulley does not rattle.
• Make sure that alternator pulley nut is tight. Refer to 

CHG-25, "Exploded View"

.