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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 Replacement - Right Side (RWD) >> 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. GM5399121Courtesy of GENERAL MOTORS COMPANY

    Disconnect and reposition electrical connectors as necessary.

  2. 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.

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

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

  5. GM5395458Courtesy of GENERAL MOTORS COMPANY

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

  6. GM5395459Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Heat Shield (1) - Remove

  7. GM5517334Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Nut (1) - Remove

  8. Engine Mount Bolt (2) - Loosen3/4 [2x]
  9. Raise and support the vehicle. Lifting and Jacking the Vehicle
  10. Position Drain Pan
  11. GM5414842Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Connector Bolt (1) - Remove [2x]

  12. Transmission Fluid Cooler Pipe Bolt (2) - Remove
  13. Transmission Fluid Cooler Pipe Clip Bolt (3) - Remove
  14. GM5414849Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Nut (1) - Remove

  15. NOTE:

    Cap the fittings and plug the holes when removing the transmission fluid cooler pipes.

  16. Transmission Fluid Cooler Inlet and Outlet Pipe (2) - Remove
  17. GM5414854Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Seal (1) - Remove and DISCARD [2x]

  18. Transmission Fluid Cooler Seal (2) - Remove and DISCARD
  19. GM5414859Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Thermal Bypass Valve Gasket (1) - Remove and DISCARD [2x]

  20. Oil Filter - Remove
  21. Position a screw jack and a block of wood under the transmission bell-housing.
  22. GM5517333Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Engine Mount (2) - Disconnect

  23. GM5517334Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Bolt (2) - Remove and DISCARD [2x]

  24. Raise screw jack just enough to remove the engine mount.
  25. GM5517335Courtesy of GENERAL MOTORS COMPANY

    Engine Mount (1) - Remove

  26. GM5517336Courtesy of GENERAL MOTORS COMPANY
    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.

    Inspect the engine mount to ensure the phenolic spacer (1) is in place and not damaged.