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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Suspension General Diagnosis) >> Diagnostic Information and Procedures >> Ball Joint Inspection (Lower Ball Joint) >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

J 8001  Dial Indicator Set

    Fig 1: Installing Dial Indicator Against The End Of Lower Ball Joint
    GM1550870Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. With the wheel and tire on the vehicle, lift the suspension corner by hand to determine if any looseness is present. If vertical free play is experienced proceed with the following instructions.
  3. Remove the wheel and tire. Refer to Tire and Wheel Removal and Installation .
  4. Clean and inspect the ball joint seals for cuts or tears. If the ball joint seals are damaged, replace the ball joint. Refer to Lower Ball Joint Replacement .
  5. Install and position the dial indicator from J 8001  against the end of the ball joint.
  6. IMPORTANT: Do not pry between the lower arm and the wheel drive shaft boot or in such a manner that the ball joint seal is contacted. Damage to the wheel drive shaft boot will result (4WD).
  7. Gently lift or pry the suspension upward then let it settle.
  8. The dial indicator reading should be no more than 2 mm (0.079 in). If the reading is out of specification, replace the ball joint.