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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Automatic Transmission - 4L80-E - Service & Replacement) >> Repair Instructions >> Park Lock Pawl and Actuator Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission filter. Refer to Automatic Transmission Fluid/Filter Replacement   . 
  2. Remove the park/neutral position (PNP) switch. Refer to Park/Neutral Position Switch Replacement   . 
  3. Remove the manual shaft nut and pin.
  4. Remove the detent lever and actuator.
  5. Remove the parking pawl bracket bolts.
  6. Remove the parking pawl return spring.
    Fig 1: Removing Manual Shaft Pin, Detent Lever & Actuator
    G01952371Courtesy of GENERAL MOTORS CORP.
  7. Use the modified screw extractor in order to remove the plug.
  8. Remove the parking pawl shaft retainer, shaft and 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.
  9. Remove the manual shaft.
  10. Remove the manual shaft seal.
    Fig 2: Removing Parking Pawl Shaft Retainer, Shaft & Pawl
    G01952372Courtesy of GENERAL MOTORS CORP.
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