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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1739 (Automatic Transmission - ALLISON - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Transmission End Play Measurement

Transmission End Play Measurement

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools 

    Fig 1: Installing Ball Bearing
    GM1235600Courtesy of GENERAL MOTORS CORP.
  1. Using J 24446  (1), install the ball bearing (2) until the bearing seats. See Special Tools .
  2. Fig 2: Locating Transmission Retaining Ring
    GM1235598Courtesy of GENERAL MOTORS CORP.
  3. Align the retaining ring (1) so that the beveled edge is facing up.
  4. Install the retaining ring (1).
  5. Fig 3: View Of Dial Indicator Set On Transmission Case
    GM1217571Courtesy of GENERAL MOTORS CORP.
  6. Position the transmission case so that the front is facing up.
  7. Assemble the following tools and install them onto the torque converter housing as shown.
    • J 5959-3 extension (1)
    • J 5959-1 dial indicator (2)
    • J 5959-2 base (3)
    • J 5959-7 clamp (4)
  8. Zero the dial indicator (2).
  9. IMPORTANT: DO NOT pry on the turbine tone wheel when measuring the end play through the power take off access hole.
  10. Lift the rear of the 1-2-3-4, 4-5-6 clutch housing with a screwdriver through the power take-off (PTO) hole in the transmission case.
  11. Note the end play measured on the dial indicator.

    Specification:  The transmission end play must be 0.279-1.549 mm (0.011-0.061 in).

  12. If the end play is not within the specification, a different selective spacer must be installed.
  13. Remove the special tools from the transmission.
  14. Remove the retaining ring and the ball bearing assembly.
  15. Repeat the measurement and calculation to determine the correct selective spacer.