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  • edc60 09/02/10 1:59 am PST

    Clunking noise could be a bad CV joint in drive train.

    Get dealer or good suspension/drivetrain mechanic to check.

  • 0patience 09/02/10 8:43 pm PST

    No, it is not the rack and pinion.
    They are known for this and GM has a repair for it.

    A good, reputable shop will have access to the correct repair information for it, or see a dealer and ask them the cost to repair.

    Steering - Front End Clunk/Rattle/Knock On Bumps
    TECHNICAL
    Bulletin No.: 06-02-32-007G
    Date: April 05, 2010
    Subject: Clunk, Knock or Rattle Noise From Front of Vehicle While Driving or Turning Over Bumps at Low Speeds (Diagnose Noise and Perform Outlined Repair)
    Models:
    2004-2006 Chevrolet Malibu Maxx
    2004-2008 Chevrolet Malibu Classic
    2008-2010 Chevrolet Malibu
    2005-2010 Pontiac G6
    2007-2010 Saturn Aura
    Condition 1
    Some customers may comment on a clunk noise heard and felt in the steering wheel while driving at slow speeds and turning. The clunk noise may appear to be directly in front of the driver. Hitting a bump while turning can produce the clunk noise. Sometimes the noise may be duplicated when the vehicle is sitting still and the steering wheel is turned 90 degrees in either direction before initially centering the steering wheel.
    Cause 1
    The clunk noise may be caused by a slip/stick condition between the inner and outer components of the intermediate shaft.
    Condition 2
    There may be interference between the clamp and the steering gear input shaft. The clamp is beveled and if forced down on the input shaft too hard, it may cause a loose fit with the intermediate shaft to input shaft joint.
    Condition 3
    Important
    This condition ONLY applies to 2004-2007 Chevrolet Malibu/Maxx and 2005-2007 Pontiac G6.
    Some customers may comment on a knocking or rattling type noise from the front of the vehicle when driven at low speeds and over bumps. The noise only occurs when the steering wheel is in the straight ahead position and sounds like the noise is in the left suspension of the vehicle or directly in front of the driver.

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