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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 999 (Automatic Transmission - ALLISON (Introduction, Service & Replacement)) >> Repair Instructions >> Manual Shift Shaft and Manual Shift Detent Lever Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place the new detent lever (4) in position in the transmission case. Rotate the detent lever 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 (4).
    Fig 1: Manual Shift Shaft and Manual Shift Detent Lever Assembly
    GM658999Courtesy of GENERAL MOTORS CORP.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Place the nut (1) in position over the manual shift shaft. Push the manual shift shaft (5) into the final position in the transmission case.
  3. Install the spring pin (3) into the transmission case that retains the manual shift shaft.

    Specification:  Spring pin installed height is 8.5-9.0 mm (0.33-0.35 inch) above transmission case surface.

  4. Hand tighten the nut (1).

    Tighten:  Tighten the nut (1) to 29 N.m (21 lb ft).

  5. Install the PNP switch. Refer to Park/Neutral Position Switch Replacement .
  6. Install the control valve assembly. Refer to Control Valve Body Replacement .
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