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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Repair Instructions >> Park Lock Pawl and Actuator Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle.
  2. Remove the oil pan and filter. Refer to Automatic Transmission Fluid/Filter Replacement .
  3. Remove the park/neutral position switch. Refer to Park/Neutral Position Switch Replacement .
  4. Remove the manual shaft nut and the pin.
  5. Remove the detent lever and the actuator assembly. ]
  6. Remove the bolts and the parking pawl bracket.
  7. Remove the parking pawl return spring.
    Fig 1: Removing Detent Lever, Actuator Assembly & Components
    G02424500Courtesy of GENERAL MOTORS CORP.
  8. Use the modified screw extractor in order to remove the plug.
  9. Remove the parking pawl shaft retainer, the shaft and the pawl.

    Important:  If the manual shaft binds in the case during removal, file or sand the shaft in the area adjacent to the detent lever.

  10. Remove the manual shaft.
  11. Remove the manual shaft seal.
    Fig 2: Removing Pawl Shaft, Parking Pawl, Manual Shaft & Components
    G02424501Courtesy of GENERAL MOTORS CORP.
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