Noise Occurs from V-ribbed Belt or Generator Assembly [12/2012 - ]: Procedure

1. Confirm the problem symptom.

   Result

   Symptom	Proceed to
   Noise occurs from V-ribbed belt	A
   Noise occurs from generator assembly	B

Result: 

B 

See step  6

Result: 

A 

See step  2

1. Check the V-ribbed belt for wear or damage.

   OK

   The V-ribbed belt is not worn or damaged.

Result: 

NG 

REPLACE V-RIBBED BELT:  COMPONENTS [12/2012 - ] 

Result: 

OK 

See step  3

1. Check the generator pulley with clutch grooves for wear or damage.

   OK

   The generator pulley with clutch grooves are not worn or damaged.

Result: 

NG 

REPLACE GENERATOR PULLEY WITH CLUTCH:  COMPONENTS [12/2012 - 11/2013]  , or refer to  COMPONENTS [11/2013 - ] 

Result: 

OK 

See step  4

1. Start the engine and check the generator pulley with clutch for looseness.

   OK

   The generator pulley with clutch is not loose.

Result: 

NG 

TIGHTEN GENERATOR PULLEY WITH CLUTCH TO SPECIFIED TORQUE 

Result: 

OK 

See step  5

1. Remove the generator assembly.

   Refer to REMOVAL [12/2012 - ]

2. Check the installation condition of the generator pulley cap.

   OK

   The generator pulley cap is not loose or missing.

3. Check for forming of particles due to friction (for dry type pulley) or grease leaks (for wet type pulley).

   OK

   There are no large amounts of particles (for dry type pulley) or grease leaks (for wet type pulley).

4. Check the generator pulley with clutch for misalignment (interference with the generator assembly).

   OK

   The generator pulley with clutch is not misaligned (no interference with the generator assembly).

5. Turn the generator pulley with clutch clockwise and counterclockwise by hand and check for noise.

   OK

   Noise does not occur when turned in both directions.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

6. Turn the generator pulley with clutch clockwise and counterclockwise by hand and visually check for runout.

   OK

   The generator pulley with clutch does not have runout.

7. Hold the generator rotor assembly (fan) in the generator assembly with a screwdriver with its tip wrapped with protective tape, and check that the generator pulley with clutch locks when turned clockwise and turns freely when turned counterclockwise.

   OK

   The generator pulley with clutch locks when turned clockwise and turns freely when turned counterclockwise.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Protective Tape

Result: 

OK 

INSPECT PULLEY OTHER THAN GENERATOR ASSEMBLY PULLEY:  PROCEDURE - Step 1 

Result: 

NG 

REPLACE GENERATOR PULLEY WITH CLUTCH:  COMPONENTS [12/2012 - 11/2013]  ,  COMPONENTS [11/2013 - ] 

1. Perform a road test and check that noise does not occur when decelerating.

   OK

   Noise does not occur.

2. Stop the engine and check that generator pulley with clutch noise does not occur as the engine stops.

   OK

   Noise does not occur.

Result: 

NG 

REPLACE GENERATOR PULLEY WITH CLUTCH:  COMPONENTS [12/2012 - 11/2013]  ,  COMPONENTS [11/2013 - ] 

Result: 

OK 

See step  7

1. Remove the generator assembly.

   Refer to REMOVAL [12/2012 - ]

2. Hold the generator rotor assembly (fan) in the generator assembly with a screwdriver, with its tip wrapped with protective tape, and check that the generator pulley with clutch locks when turned from counterclockwise (free turning direction) to clockwise (locking direction).

   OK

   The generator pulley with clutch locks.

Result: 

OK 

REPAIR OR REPLACE GENERATOR ASSEMBLY:  COMPONENTS [12/2012 - 11/2013]  ,  COMPONENTS [11/2013 - ] 

Result: 

NG 

REPLACE GENERATOR PULLEY WITH CLUTCH:  COMPONENTS [12/2012 - 11/2013]  ,  COMPONENTS [11/2013 - ]