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Home >> Cadillac >> 2021 >> CT4 V, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (1 Of 6) >> Engine Mount Bracket Replacement - Right Side >> Removal Procedure

Removal Procedure

WARNING:

In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

WARNING:

Avoid contact with HOT components. Wear safety glasses and protective gloves to avoid personal injury.

  1. Disconnect the battery. Battery Negative Cable Disconnection and Connection
  2. Remove the oil fill cap.
  3. GM5432171Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover Bolt (1) - Remove [2x]

  4. Lift up on the front of the intake manifold cover (2).
  5. GM5432174Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Remove

  6. GM5398955Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct Clamp (1) - Loosen [2x]

  7. Evaporative Emission Canister Purge Tube (2) - Disconnect - Plastic Collar Quick Connect Fitting Service
  8. Positive Crankcase Ventilation Tube (3) - Disconnect - Plastic Collar Quick Connect Fitting Service
  9. Electrical Connector @ Evaporative Emission Canister Purge Solenoid Valve - Disconnect
  10. GM5398967Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (1) - Remove

  11. Disconnect the electrical connector and remove all wiring harnesses from the air cleaner assembly.
  12. GM5399053Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Bolt (1) - Remove

  13. GM5399073Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Assembly (1) - Remove

  14. GM5399121Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    The use of excessive force may damage the threads in the exhaust manifold/pipe.

    NOTE:

    The heated oxygen sensor MAY be difficult to remove when the engine temperature is less than 48°C (120°F).

    NOTE:

    The heated oxygen sensor in-line connector and louvered end MUST be kept clear of all grease, dirt, and other contaminants. Do NOT use cleaning solvents of any type. Do NOT drop or roughly handle the sensor.

    Disconnect and reposition electrical connectors as necessary.

  15. Using the EN-6179  Heated Oxygen Sensor Remover/Installer, remove the heated oxygen sensor (1).
  16. GM5395457Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Heat Shield Bolt (1) - Remove [2x]

  17. GM5395458Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Heat Shield Bolt (1) - Remove [2x]

  18. GM5395459Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Heat Shield (1) - Remove

  19. GM5494001Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Unclip

  20. GM5407967Courtesy of GENERAL MOTORS COMPANY

    Water Pump Cover Bolt (1) - Remove [3x]

  21. Water Pump Cover (2) - Remove
  22. Install the engine support fixture. Engine Support Fixture
  23. GM5491648Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Nut (1) - Remove

  24. Use the EN-51007  Global Engine Support Fixture to raise the engine off the engine mount.
  25. GM5491651Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Bracket Bolt (1) - Remove and DISCARD [4x]

  26. GM5495033Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Bracket (1) - Remove

  27. CAUTION:

    Phenolic spacer must be present to prevent galvanic/corrosive reaction and/or excessive temperature conduction between engine mount bracket and engine mount. Replace mount if phenolic spacer is missing or damaged. Failure to ensure phenolic spacer is intact and not damaged can lead to premature failure of engine mount and/or engine mount bracket.

  28. Ensure the phenolic spacer remains in place.