Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJD0
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 08/2016]
Title: 2GR-FE BATTERY / CHARGING: CHARGING SYSTEM: Noise Occurs from Generator while Engine is Running; 2016 MY Sienna [12/2015 - 08/2016]

Noise Occurs from Generator while Engine is Running

PROCEDURE

1.

CHECK LOOSENESS OF V-RIBBED BELT

(a) Check the tension of the belt by pushing it down with a finger.

OK:

The tension of the belt is enough.

NG

REPLACE V-RIBBED BELT TENSIONER ASSEMBLY

OK

2.

CHECK V-RIBBED BELT FOR WEAR

(a) Check the V-ribbed belt for wear.

OK:

The V-ribbed belt is not worn.

NG

REPLACE V-RIBBED BELT

OK

3.

CHECK GENERATOR CLUTCH PULLEY FOR WEAR

(a) Check the generator clutch pulley grooves for wear or other defects.

OK:

The generator clutch pulley grooves are not damaged.

NG

REPLACE GENERATOR CLUTCH PULLEY

OK

4.

CHECK FOR NOISE WHILE GENERATOR CLUTCH PULLEY IS OPERATING

(a) Perform a driving test and check if noise occurs when decelerating.

OK:

Noise does not occur.

OK

REPLACE GENERATOR ASSEMBLY

NG

REPLACE GENERATOR CLUTCH PULLEY