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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Automatic Transmission - ALLISON - Introduction (2 Of 2)) >> Repair Instructions >> Manual Shift Shaft, Detent Lever, and Position Switch Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Place the new detent lever/IMS assembly (4) in position in the transmission case. Rotate the detent lever/IMS assembly to engage the park pawl apply assembly (2). Reinstall the manual shift shaft (5) through the manual shift shaft seal and through the detent lever/IMS assembly (4).
    Fig 1: Installing Detent Lever/IMS Retaining Bolt
    GM1633283Courtesy of GENERAL MOTORS CORP.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Push the manual shift shaft (5) into the final position in the transmission case.
  3. Install the spherical pin (3) into the transmission case that retains the manual shift shaft.
  4. Install the detent lever/IMS retaining bolt (1) using a T27 Torx® bit.

    Tighten:  Tighten the bolt (1) to 10 N.m (92 lb in).

  5. Install the control valve assembly. Refer to Control Valve Body Replacement .
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