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Home >> Lexus >> 2007 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging (4GR-FSE) >> Charging System >> Noise Occurs from Generator while Engine is Running

Noise Occurs from Generator while Engine is Running

  1. CHECK LOOSENESS OF V-RIBBED BELT 
    1. 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: Go To Next Step 

  2. CHECK V-RIBBED BELT FOR WEAR 
    1. Check the V-ribbed belt for wear.

    OK: 

    The V-ribbed belt is not worn. 

    NG: REPLACE V-RIBBED BELT 

    OK: Go To Next Step 

  3. CHECK CLUTCH PULLEY FOR WEAR 
    1. Check the clutch pulley groove for wear or other defects.

    OK: 

    The clutch pulley groove is not damaged. 

    NG: REPLACE CLUTCH PULLEY 

    OK: Go To Next Step 

  4. CHECK THAT NOISE WHILE CLUTCH PULLEY IS OPERATING 
    1. Perform a driving test and check if noise occurs when decelerating.

    OK: 

    Noise does not occur. 

    NG: REPLACE CLUTCH PULLEY 

    OK: Go To Next Step 

    REPLACE GENERATOR ASSEMBLY