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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 920 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Instructions >> Stator Shaft Replacement >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

J 43765  Stator Shaft Installer/Remover. See Special Tools .

Removal Procedure

    Fig 1: Removing/Installing Stator Shaft
    GM1217384Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Remove the needle bearing only if replacing both the bearing and the stator shaft.
  1. Position the oil pump cover assembly (2) on a press bed so that the assembly is supported by wooden blocks and the stator shaft is facing down.
  2. Install the short end of J 43765-2 remover (1) into the rear of the oil pump cover assembly.
  3. Press the stator shaft from the oil pump cover assembly (2).

Installation Procedure

    Fig 2: View Of Oil Pump Cover
    GM1217524Courtesy of GENERAL MOTORS CORP.
  1. Position the oil pump cover (2) on the work table so that the rear hub is facing down.
  2. Align the stator shaft with the oil pump cover so that the stator shaft is centered over the oil pump cover and the rear of the stator shaft is facing down.
    3. Fig 3: Aligning Stator Shaft Holes With Fluid Passage
    GM1217048Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The arrows on the drawing indicate the holes that must be aligned.
  3. Rotate the stator shaft (1) until the lowest and smallest hole in the stator shaft is aligned with the fluid passage (2).
  4. Gently tap the stator shaft into the oil pump cover until the oil pump cover holds the ground sleeve in a vertical position.
    5. Fig 4: Installing J 43765-1 Onto The Stator Shaft
    GM1217632Courtesy of GENERAL MOTORS CORP.
  5. Align J 43765-1 protector (1) so that the lip of the tool is downward.
  6. Install J 43765-1 protector (1) onto the stator shaft.
    7. Fig 5: Locating J 43765-3 Into The Rear Hub Of The Oil Pump Cover Assembly
    GM1217047Courtesy of GENERAL MOTORS CORP.
  7. While holding J 43765-1 protector (3) in place, turn over the oil pump cover assembly (2) and place J 43765-1 on a press.
  8. Install J 43765-3 installer (1) into the rear hub of the oil pump cover assembly (2).
  9. Press on J 43765-3 installer (1) until the stator shaft seats.
    10. Fig 6: Checking Total Indicated Runout (TIR) Of Stator Shaft
    GM1217049Courtesy of GENERAL MOTORS CORP.
  10. Check the total indicated runout (TIR) of the stator shaft as follows:
    1. Install the oil pump cover assembly (1) in a lathe, clamping on dimension D.
    2. Use a dial indicator, to make sure the oil pump cover surface C is square with the dimension D.
    3. Check the TIR along the stator shaft axis B at the stator shaft pitch diameter A.

      Specification:  The TIR must not exceed 0.20 mm (0.008 in).

    4. Remove the oil pump cover assembly from the lathe.
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