Toyota CH-R Service Manual: Noise Occurs from V-ribbed Belt or Generator Assembly

Toyota CH-R Service Manual / 3zr-fae Battery / Charging / Charging System / Noise Occurs from V-ribbed Belt or Generator Assembly

PROCEDURE

1.	CONFIRM PROBLEM SYMPTOM

(a) Confirm the problem symptom.

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

GO TO STEP 6

2.	CHECK FAN AND GENERATOR V BELT FOR WEAR

(a) Check the fan and generator V belt for wear or damage.

OK:

The fan and generator V belt is not worn or damaged.

REPLACE FAN AND GENERATOR V BELT

3.	CHECK GENERATOR PULLEY WITH CLUTCH FOR WEAR

(a) Check the generator pulley with clutch grooves for wear or damage.

OK:

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

REPLACE GENERATOR PULLEY WITH CLUTCH

4.	CHECK FOR NOISE WHILE CLUTCH PULLEY IS OPERATING

(a) Start the engine and check the generator pulley with clutch for looseness.

OK:

The generator pulley with clutch is not loose.

TIGHTEN GENERATOR PULLEY WITH CLUTCH TO SPECIFIED TORQUE

5.	INSPECT GENERATOR PULLEY WITH CLUTCH (UNIT INSPECTION)

(a) Remove the generator assembly.

Click here

(b) Check the installation condition of the generator pulley cap.

OK:

The generator pulley cap is not loose or missing.

OK:

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

(d) 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).

(e) Turn the generator pulley with clutch clockwise and counterclockwise by hand and check for noise.

OK:

Noise does not occur when turned in either direction.

(f) 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.

(g) 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.

*a	Protective Tape

INSPECT PULLEY OTHER THAN GENERATOR ASSEMBLY PULLEY

REPLACE GENERATOR PULLEY WITH CLUTCH

6.	CHECK FOR NOISE WHEN ROTOR IS TURNING FREELY

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

OK:

Noise does not occur.

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

OK:

Noise does not occur.

REPLACE GENERATOR PULLEY WITH CLUTCH

7.	CHECK ENGAGEMENT OF GENERATOR PULLEY WITH CLUTCH

(a) Remove the generator assembly.

Click here

(b) 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.

REPAIR OR REPLACE GENERATOR ASSEMBLY

REPLACE GENERATOR PULLEY WITH CLUTCH

Charging Failure

PROCEDURE 1. CHECK GENERATOR PULLEY WITH CLUTCH (ON-VEHICLE INSPECTION) (a) Start the engine and visually check that the generator rotor assembly (fan) in the gener ...

Generator

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