LEMON Manuals: Even more car manuals for everyone
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 >> Manual Shift Shaft, Detent Lever, and Position Switch Assembly Assemble >> Special Tools

Special Tools

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.

J 43909:  Manual Shift Shaft Seal Installer

For equivalent regional tools, refer to Special Tools .

    Fig 1: New Manual Shift Shaft Seal & J 43909
    GM1217162Courtesy of GENERAL MOTORS CORP.
  1. Install a new manual shift shaft seal (1) onto J 43909:  installer (2).
  2. Using J 43909:  installer (2), drive the manual shift shaft seal (1) into the transmission case.
  3. Make sure the manual shift shaft seal is seated on the bottom of the bore.
    4. Fig 2: Connecting Detent Lever/IMS Assembly To Park Pawl Assembly
    GM1640907Courtesy of GENERAL MOTORS CORP.
  4. Install the nib of the park pawl assembly (1) through the keyhole in the detent lever/internal mode switch (IMS) assembly (2).
  5. Rotate the park pawl assembly 180 degrees.
    6. Fig 3: Manual Shift Shaft
    GM1581025Courtesy of GENERAL MOTORS CORP.
  6. Place the roller end of the park pawl assembly (5) into the transmission case.
  7. Align the detent lever/IMS assembly (3) so that:
    • The detent notches of the detent lever are facing up.
    • The IMS connector is facing towards the rear of the transmission.
    • The guide hole for the manual valve pin is facing forward.
    • The manual shift shaft hole in the detent lever is aligned with the manual shift shaft seal (2).
  8. Slide the manual shift shaft (1) through the following components:
    • Transmission case
    • Manual shift shaft seal (2)
    • Detent lever/IMS assembly (3)
    9. Fig 4: Detent Lever/IMS Assembly Retaining Bolt
    GM1581023Courtesy of GENERAL MOTORS CORP.
    NOTE: The detent lever/IMS assembly retaining bolt contains patch lock material on the threads. Do not reuse the retaining bolt.
  9. Install the detent lever/IMS assembly (2) onto the manual shift shaft (1).
  10. Install the detent lever/IMS assembly retaining bolt (3).
    11. CAUTION: Refer to Fastener Caution .
  11. Using a T27 Torx® bit, tighten the detent lever/IMS assembly retaining bolt (3). Tighten the bolt to 10 N.m (89 lb in).
    12. Fig 5: Installing Spherical Pin Into Transmission Case
    GM1581027Courtesy of GENERAL MOTORS CORP.
    CAUTION: DO NOT mar the transmission case surface around the spherical pin when removing or installing the spherical pin. An unmarred surface is required to maintain the seal between the control valve assembly and the transmission case.
  12. Install the spherical pin (1) into the transmission case.
  13. Lightly tap the spherical pin (1) into position until the head of the pin (1) is seated against the transmission case.
scientia non olet · About LEMON Manuals