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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 >> Installation Procedure

Installation 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. Install the pawl shaft.
  2. Install the parking pawl.
  3. Install the plug using a 8 mm or (5/16 inch) rod with Loctite® or the equivalent.
  4. Install the retainer.
    Fig 1: Installing Pawl Shaft, Parking Pawl & Retainer
    G02424502Courtesy of GENERAL MOTORS CORP.
  5. Install the pawl return spring.
  6. Install the detent lever to the actuator assembly.
  7. Install actuator assembly over the parking pawl.
  8. Install the manual shaft seal.
  9. Lubricate the manual shaft with transmission oil and install the manual shaft into the case.
  10. Install the nut on the shaft.
  11. Install the roll pin.
    CAUTION: Refer to FASTENER NOTICE .
  12. Install the parking lock bracket with the two bolts.

    Tighten 

    Tighten the bolts to 24 N.m (18 lb ft).

    Fig 2: Installing Detent Lever, Actuator Assembly, Manual Shaft & Components
    G02424503Courtesy of GENERAL MOTORS CORP.
  13. Install the park/neutral position switch. Refer to Park/Neutral Position Switch Replacement .
  14. Install the oil pan and filter. Refer to Automatic Transmission Fluid/Filter Replacement .
  15. Lower the vehicle.
  16. Fill the transmission to the proper level with Dexron® III transmission fluid. Refer to Transmission Fluid Checking Procedure .
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