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Home >> Chevrolet >> 2022 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (1 Of 11)) >> Repair Instructions >> Crankshaft Front Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the charge air cooler, condenser, fan and radiator assembly from the vehicle. Charge Air Cooler, Condenser, Fan Motor, and Radiator Assembly Removal and Installation (LM2)
  2. Drain the engine oil. Engine Oil and Oil Filter Replacement
  3. GM5619156Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover Bolt (1) - Remove

  4. Engine Front Cover (2) - Remove
  5. Fig 1: Identifying Accessory Drive Primary Belt Routing (LM2)
    GM5174667Courtesy of GENERAL MOTORS COMPANY

    Rotate the accessory drive primary belt tensioner (1) clockwise to release the drive belt tension.

  6. Slide the accessory drive primary belt (2) off of the belt idler pulley and slowly release the accessory drive primary belt tensioner (1).
  7. Remove the accessory drive primary belt (2) from the vehicle.
  8. GM5137110Courtesy of GENERAL MOTORS COMPANY

    Install the EN-49979  Crankshaft Holder (1) with EN-956-1  Extension (3) to the crankshaft pulley.

  9. Crankshaft Pulley Bolt (2) - Loosen [4x]
  10. Remove the EN-49979  Crankshaft Holder (1) with EN-956-1  Extension (3).
  11. GM5137111Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Pulley Bolt (2) - Remove [4x]

  12. Crankshaft Pulley (1) - Remove
  13. GM5190250Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover Bolt (1) - Remove [8x]

  14. NOTE:

    It is likely you will bend the crankshaft front oil seal during the removal. Use care to not damage the engine block.

  15. Crankshaft Front Oil Seal (2) - Remove and DISCARD