Toyota Sienna Quiz
Engine

Noise Occurs from Generator while Engine is Running

In this manual: Engine
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~1min read

INSPECTION 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.

2 CHECK V-RIBBED BELT FOR WEAR

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

OK: The V-ribbed belt is not worn.

3 CHECK CLUTCH PULLEY FOR WEAR

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

OK: The clutch pulley groove is not damaged.

4 CHECK FOR NOISE WHILE CLUTCH PULLEY IS OPERATING

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

OK: Noise does not occur.

REPLACE GENERATOR ASSEMBLY

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.