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Home >> Chevrolet >> 2021 >> Tahoe Z71 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions (4 Of 11) >> Repair Instructions >> Crankshaft Rear Oil Seal Replacement (4WD) >> Removal Procedure

Removal Procedure

  1. Transmission - Remove - Automatic Transmission Removal and Installation (L84, L87 with 4WD and NP0) , or Automatic Transmission Removal and Installation (L84, L87 with 4WD and NQH)
  2. Position the EN-42386  Flywheel Holding Tool (1) into place.
    GM5591309Courtesy of GENERAL MOTORS COMPANY
  3. Install M10-1.5 x 120 mm (3) and M10-1.5 x 45 mm (2) bolts and tighten to 50 N.m (37 lb ft).
  4. Automatic Transmission Flex Plate Bolt (1) - Remove and DISCARD [8x]
    GM5591310Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  5. Automatic Transmission Flex Plate (1) - Remove
    GM5591311Courtesy of GENERAL MOTORS COMPANY
  6. Install the EN-51096  Seal Remover (2) to the GE-23907-1  Slide Hammer with Shaft (1).
    GM5595487Courtesy of GENERAL MOTORS COMPANY
    7. NOTE:

    The 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).

  7. 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).
  8. Using the EN-51096  Seal Remover (2) and GE-23907-1  Slide Hammer with Shaft (1), remove the crankshaft rear oil seal (3).
  9. Crankshaft Rear Oil Seal (1) - Remove and DISCARD
    GM5595490Courtesy of GENERAL MOTORS COMPANY
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