GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 39570 Chassis Ear
    • J 41416 Ultrasonic Leak Detector

       Important: Squeaks and rattles are caused by improperly controlled relative motion between vehicle components. There are 4 ways to prevent squeaks and rattles.

To aid in diagnosing, use J 39570 or J 41416 .

    • Attach the component that squeaks or rattles securely.
    • Separate the components that squeak or rattle to prevent contact.
    • Insulate the components that squeak or rattle.
    • Insulate low uniform friction surfaces to eliminate stickslip motion.