Infiniti G37 Coupe. Manual - part 1286

STARTER MOTOR

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< ON-VEHICLE REPAIR >

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ON-VEHICLE REPAIR

STARTER MOTOR

Exploded View

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REMOVAL

DISASSEMBLY

Type: S114-932

1.

“B” terminal nut

2.

“B” terminal harness

3.

Starter motor

4.

Harness clip bracket

5.

Starter motor mounting bolt

6.

Converter housing (A/T models)
Transmission case (M/T models)

7.

“S” connector

 : Vehicle front

Refer to 

GI-4, "Components"

 for symbols in the figure.

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< ON-VEHICLE REPAIR >

STARTER MOTOR

Removal and Installation

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REMOVAL

1.

Disconnect the battery cable from the negative terminal.

2.

Remove engine undercover, using power tools.

3.

Remove road wheel and tire (Front LH), using power tools.

4.

Disconnect steering lower joint (1), then remove it. Refer to 

ST-

20, "WITHOUT 4WAS : Exploded View"

 (Without 4WAS) or 

ST-

21, "WITH 4WAS : Exploded View"

 (With 4WAS).

5.

Remove engine mounting insulator (LH) mounting nut (Lower).
Refer to 

EM-67, "Exploded View"

.

6.

Jack up the engine front side to create clearance for removing
starter motor.

7.

Remove “B” terminal nut (A).

1.

Magnetic switch assembly

2.

Dust cover kit

3.

Shift lever set

4.

Center bracket (A)

5.

Yoke assembly

6.

Armature assembly

7.

Brush holder assembly

8.

Thrust washer

9.

Rear cover assembly

10. Shaft gear assembly

11.

Packing

12. Thrust washer

13. Center bracket (P)

14. E-ring

15. Pinion assembly

16. Pinion stopper

17. Pinion stopper clip

18. Gear case assembly

 : High-temperature grease point

Refer to 

GI-4, "Components"

 for symbols not described on the above.

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STARTER MOTOR

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8.

Disconnect “S” connector (A).

9.

Remove starter motor mounting bolts (B), using power tools.

10. Remove starter motor (1) from the side of the vehicle.

INSTALLATION

Install in the reverse order of removal.

CAUTION:

Be sure to tighten “B” terminal nut carefully.

Inspection

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INSPECTION AFTER DISASSEMBLY

Pinion/Clutch Check

1.

Inspect pinion teeth.
• Replace pinion if teeth are worn or damaged. (Also check condition of ring gear teeth.)

2.

Inspect reduction gear teeth.
• Replace reduction gear if teeth are worn or damaged. (Also check condition of armature shaft gear

teeth.)

3.

Check to see if pinion locks in one direction and rotates smoothly in the opposite direction.
• If it locks or rotates in both directions, or unusual resistance is evident, replace.

: Vehicle front

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: Vehicle front

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< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Starter Motor

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Type

S114-932

HITACHI make

Reduction gear type

System voltage

[V]

12

No-load

Terminal voltage

[V]

11

Current

[A]

Less than 110

Revolution

[rpm]

More than 2,700

Minimum diameter of commutator

[mm (in)]

28.0 (1.102)

Minimum length of brush

[mm (in)]

10.5 (0.413)

Brush spring tension

[N (kg, lb)]

16.2 (1.65, 3.6)

Clearance between bearing metal and armature shaft

[mm (in)]

Less than 0.2 (0.008)

Clearance between pinion front edge and pinion stopper

[mm (in)]

0.3 - 2.5 (0.012 - 0.098)