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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions (10 Of 12) >> Repair Instructions >> Engine Mount Replacement - Right Side >> Removal Procedure

Removal Procedure

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (KL9)
  2. GM5535974Courtesy of GENERAL MOTORS COMPANY

    Remove the oil level indicator. (1)

  3. GM5535975Courtesy of GENERAL MOTORS COMPANY

    Oil Level Indicator Tube Bolt (1) - Remove

  4. Front Wheelhouse Liner- Right Side - Remove - Front Wheelhouse Liner Replacement
  5. GM5535977Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1) @ Oil Level Indicator Tube (2) - Disconnect

  6. Engine Wiring Harness (3) - Reposition
  7. GM5535978Courtesy of GENERAL MOTORS COMPANY

    Oil Level Indicator Tube (1) @ Oil Pan - Remove

  8. Oil Level Indicator Tube (1) - Remove
  9. Oil Level Indicator Seal (2) - Remove and DISCARD
  10. Wiring Harness - Position aside
  11. GM4992215Courtesy of GENERAL MOTORS COMPANY

    Exhaust Manifold Heat Shield Bolt- Right Side (1) - Remove [ 3x ]

  12. GM4992288Courtesy of GENERAL MOTORS COMPANY

    Remove the right exhaust manifold heat shield (1) through the wheel opening.

  13. GM5508826Courtesy of GENERAL MOTORS COMPANY

    Exhaust Heat Shield Bolt (1) - Remove

  14. Exhaust Front Pipe Heat Shield- Right Side (2) - Remove
  15. GM5568855Courtesy of GENERAL MOTORS COMPANY

    Disconnect the heated oxygen sensor electrical connector.

  16. GM5584486Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Nut- Right Side (1) - Remove [ 3x ]

  17. GM5549243Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Pull only on the spark plug wire boot to remove the wire.

    NOTE:

    Inspect the spark plug wire for damage and replace if necessary.

    Twist the 4 spark plug wire boots a 1/2 turn and remove the 4 spark plug wires (1) from the 4 gas engine ignition spark plugs (2).

  18. GM4992369Courtesy of GENERAL MOTORS COMPANY

    Exhaust Manifold Bolt (1) - Remove and DISCARD [ 5x ]

  19. GM4992392Courtesy of GENERAL MOTORS COMPANY

    Remove the right side exhaust manifold (1) through the wheel opening.

  20. Exhaust Manifold Gasket- Right Side (2) - Remove and DISCARD
  21. GM5001113Courtesy of GENERAL MOTORS COMPANY

    Exhaust System Seal (1) - Remove and DISCARD

  22. GM5033661Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Work through the front wheelhouse opening to access the 3 engine mount frame side bolts (1).

    Engine Mount Frame Side Bolt- Right Side (1) - Remove [ 3x ]

  23. GM5034854Courtesy of GENERAL MOTORS COMPANY

    Install EN-36857  Engine Lift Bracket (1) to the front of the right side cylinder head as shown using EN-51768  Engine Support Fixture Adaptor Bolt - M8.

  24. CAUTION:

    When raising or supporting the engine for any reason, do not use a jack under the oil pan, any sheet metal, or the crankshaft pulley. Lifting the engine in an unapproved manner may cause component damage.

    NOTE:

    When raising the engine only raise enough to separate the engine mount from the engine mount bracket. Raising any further will require removal of the fan shroud or the exhaust pipe.

  25. Raise the engine using a suitable lifting device to remove the engine mount.
  26. GM5035238Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Work through the front wheelhouse opening to access the 4 engine mount engine side bolts (1).

    Engine Mount Engine Side Bolt- Right Side (1) - Remove [ 4x ]

  27. GM5035320Courtesy of GENERAL MOTORS COMPANY

    Engine Mount- Right Side (1) - Remove