GM Service Manual Online
For 1990-2009 cars only

Special Tools

    â€¢ J 39570 Chassis Ear
    â€¢ 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 .

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