GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1997 🢒 Yukon - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E 🢒 Parking System Components Removal

    Object Number: 28393 Size: SH

    Important: Do not apply excessive force, prying or hammering to any of the parking mechanism parts. This could cause the parking system to fail.

  1. Remove the manual shaft detent lever (711) and the parking pawl actuator assembly (710).
  2. Inspect the detent lever and actuator for cracks, burrs or damage.

    3. Object Number: 28394 Size: SH
  3. Remove the parking pawl actuator bracket (713) and bolts (714).
  4. Inspect the parking pawl actuator bracket (713) for cracks, burrs or damage.
  5. Remove the parking pawl spring (705).
  6. Inspect the parking pawl spring (705) for distortion or damage.

    7. Object Number: 28395 Size: SH
  7. Remove the parking pawl shaft hole plug (701) from the transmission case using a screw extractor.

    8. Object Number: 28396 Size: SH
  8. Remove the parking pawl shaft retainer (704).
  9. Remove the parking pawl shaft (702).

    10. Important: Do not damage the parking pawl shaft case bore or a fluid leak may occur at the hole plug.

  10. Remove the parking pawl (703) from the transmission case.
  11. Inspect the parking pawl (703) for cracks, burrs or damage.
  12. Inspect the parking pawl shaft (702) for damage and proper fit.