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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1367 (Suspension System General Diagnosis) >> Diagnostic Information and Procedures >> Ball Joint Inspection

Ball Joint Inspection

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the front lower ball joint. Refer to Lower Ball Joint Replacement in Front Suspension.
  2. Clamp the ball joint in a soft-jawed vise.
  3. Fig 1: Ball Joint Inspection
    GM238010Courtesy of GENERAL MOTORS CORP.
  4. Inspect the movement of the ball joint by moving the ball joint back and forth 5 times.
  5. Install a new nut on the stud.
  6. Use a beam type torque wrench in order to turn the nut continuously for 1 turn every 3 to 5 seconds.
  7. Take the torque reading on the fifth turn.

    Reading:  The reading should be between 0.98 N.m (8.674 lb in) and 4.9 N.m (43.37 lb in).

  8. If the movement of the ball joint is not within the specification, replace the ball joint. Refer to Lower Ball Joint Replacement .