GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • SA9179NE Dial Indicator
    • J 8001 Dial Indicator Set
    • J 45051 Torque Converter End Play Checking Tool

    Object Number: 781381  Size: SH
  1. Position the torque converter with the flywheel lugs facing down.
  2. Install the SA9179NE  (1) and J 45051  (2) andJ 8001  (3) onto the torque converter.
  3. Set the dial indicator to zero.
  4. Pull up on the J 45051  (2) handle.
  5. Inspect the reading on the SA9179NE  (1).
  6. End Play Specification
    The correct end play is 0.5 mm (0.02 in) or less.

  7. Repeat this procedure several times in order to get an accurate measurement.
  8. Replace the torque converter if the end play is too high.
  9. Inspect the torque converter assembly for the following:
  10. • External damage
    • Metal particles found after flushing the oil cooler and the cooler lines
    • External leaks in the hub weld area
    • The torque converter pilot is damaged or fits poorly into the crankshaft,
    • Internal failure of the stator roller clutch
    • A damaged or worn torque converter bushing
    • Contamination from the engine coolant
    • Stripped bolt threads