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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Automatic Transmission - ALLISON (Introduction, Service & Replacement)) >> Repair Instructions >> Park/Neutral Position Switch Adjustment >> Park/Neutral Position Switch Adjustment

Park/Neutral Position Switch Adjustment

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. Make sure the manual shift shaft is in the Neutral (N) position as follows:
    • Place a wrench on the manual shift shaft flats and rotate the shaft to the furthest clockwise position.
    • Rotate the manual shift shaft counter-clockwise 2 detents.
    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
    Fig 1: Park/Neutral Position Switch Gear Positions
    GM1217152Courtesy of GENERAL MOTORS CORP.
  2. Ensure that J 41364-A  (2) is in the proper position on the Park/Neutral Position (PNP) switch (1).
    Fig 2: Installing J 41364-A To Park/Neutral Position (PNP) Switch
    GM1332587Courtesy of GENERAL MOTORS CORP.
  3. While maintaining the correct PNP switch alignment, slide the new PNP switch (1) over the manual shift shaft.
    4. NOTE: Refer to Component Fastener Tightening Notice in Cautions and Notices.
  4. While holding J 41364-A  in engagement with the PNP switch, install the 2 bolts so that the PNP switch may be rotated with some effort.

    Tighten:  Tighten the 2 bolts to 27 N.m (20 lb ft).

  5. Remove J 41364-A  .
  6. Install the splash shield (1), concave side toward the PNP switch (3), over the manual shift shaft (2).
    Fig 3: Installing The Splash Shield Over The Manual Shift Shaft
    GM1332588Courtesy of GENERAL MOTORS CORP.
    7. NOTE:
    • DO NOT drive the selector lever onto the manual shift shaft.
    • DO NOT use an impact wrench in order to tighten the selector lever nut. Hold the lever with a wrench while tightening the nut.
    • Failure to follow these instructions may result in transmission damage.
    Fig 4: Install Shift Lever Onto End Of The Manual Shift Shaft
    GM1332589Courtesy of GENERAL MOTORS CORP.
  7. Install shift lever (2), and then install the nut (3), by hand, onto the end of the manual shift shaft (4). Use a wrench (1) to keep the shift lever from rotating.

    Tighten:  Tighten nut (3) to 24 N.m (18 lb ft).

  8. Reconnect the shift selector linkage/cable to the shift lever (2).
  9. Connect the external wiring harness to the PNP switch.
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