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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions (3 Of 11) >> Repair Instructions >> Crankshaft Rear Oil Seal Housing Replacement (4WD) >> Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. Engine Oil and Oil Filter - Remove and DISCARD - Engine Oil and Oil Filter Replacement
  3. Transmission - Remove - Automatic Transmission Removal and Installation (L84, L87, 4WD and NP0) , or Automatic Transmission Removal and Installation (L84, L87, 4WD and NQH)
  4. GM5591309Courtesy of GENERAL MOTORS COMPANY

    Position the EN-42386  Flywheel Holding Tool (1) into place.

  5. Install the M10-1.5 x 120 mm (3) and the M10-1.5 x 45 mm (2) bolts and tighten to 50 N.m (37 lb ft).
  6. GM5591310Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Note the position and direction of the automatic transmission flex plate before removal.

    Automatic Transmission Flex Plate Bolt (1) - Remove and DISCARD [8x]

  7. GM5591311Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Flex Plate (1) - Remove

  8. NOTE:

    If the crankshaft rear oil seal cover is reused, the crankshaft rear oil seal must be replaced.

  9. If the crankshaft rear oil seal cover is reused perform the following steps:
    1. GM5595487Courtesy of GENERAL MOTORS COMPANY

      Install the EN-51096  Seal Remover (2) to the GE-23907-1  Slide Hammer with Shaft (1).

    2. NOTE:

      EN-51096  Crankshaft Rear Seal Remover (2) has two ends. The end with the small bend will be used to remove the crankshaft rear oil seal (3).

    3. Slide the small bend of the EN-51096  Seal Remover (2) between the lip of the crankshaft rear oil seal and crankshaft. Ensure that the small bend of the EN-51096  Crankshaft Rear Seal Remover (2) engages the rear side of the crankshaft rear oil seal (3).
    4. Using the EN-51096  Seal Remover (2) and GE-23907-1  Slide Hammer with Shaft (1) remove the crankshaft rear oil seal (3).
    5. GM5595490Courtesy of GENERAL MOTORS COMPANY

      Crankshaft Rear Oil Seal (1) - Remove and DISCARD

  10. GM5642627Courtesy of GENERAL MOTORS COMPANY

    Oil Pan Bolt (1) - Loosen until disengaged [2x]

  11. GM5642554Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Rear Oil Seal Housing Bolt (1) - Loosen until disengaged [12x]

  12. Crankshaft Rear Oil Seal Housing (2) - Remove
  13. GM5598425Courtesy of GENERAL MOTORS COMPANY

    If reusing the crankshaft rear oil seal housing (2), remove and DISCARD the crankshaft rear oil seal housing gasket (1) from the crankshaft rear oil seal housing (2).

  14. Clean the engine block sealing surface.