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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Engine Mechanical - 3.6L (LF4) - Repair Instructions (1 Of 4)) >> Repair Instructions >> Engine Mount Bracket Replacement - Left Side >> Installation Procedure

Installation Procedure

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  1. GM5869549
    NOTE:

    Some components not shown for graphic clarity.

    Engine Mount Bracket (1) - Install

  2. GM5869547
    CAUTION:

    Refer to Torque-to-Yield Fastener Caution .

    Engine Mount Bracket Bolt (1) - Install NEW and tighten [4x] - Fastener Specifications

  3. GM5867019

    Engine Mount (1) - Install

  4. Lower the engine.
  5. GM5867016
    CAUTION:

    Refer to Fastener Caution .

    Engine Mount Nut (2) - Install and tighten - Fastener Specifications

    6. CAUTION:

    Refer to Torque-to-Yield Fastener Caution .

  6. Engine Mount Bolt (1) - Install NEW and tighten [2x] - Fastener Specifications
  7. GM5872277

    Turbocharger Exhaust Pipe Gasket (2) - Install NEW

  8. Warm Up Three-Way Catalytic Converter (1) - Install
  9. GM5872256

    Catalytic Converter Nut (1) - Install and tighten [4x] - Fastener Specifications

  10. GM5786728
    CAUTION:

    Refer to Component Fastener Tightening Caution .

    NOTE:

    A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation. Adhesives, Fluids, Lubricants, and Sealers

    Install and tighten the heated oxygen sensor (1) using a suitable tool. Fastener Specifications

  11. Connect the heated oxygen sensor electrical connector.
  12. GM5786732

    Install and tighten the heated oxygen sensor (1) using a suitable tool. Fastener Specifications

  13. Connect the heated oxygen sensor electrical connector.
  14. GM5872016

    Catalytic Converter Brace (2) - Install

  15. Catalytic Converter Brace Bracket Nut (1) - Install and tighten [5x] - Fastener Specifications
  16. GM5865329

    Catalytic Converter Gasket (2) - Install NEW

  17. With the aid of an assistant, install the exhaust muffler (1).
  18. GM5865300

    Exhaust Muffler Hanger Bracket Nut (1) - Install and tighten [4x] - Fastener Specifications

  19. GM5865293

    Electrical Connector (1) - Connect

  20. GM5865287

    Electrical Connector (1) - Connect

  21. GM5406632

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Right Side (2) - Install [2x]

  22. GM5406578

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Left Side (2) - Install [2x]

  23. GM5865271

    Exhaust Pipe Clamp (1) - Tighten [2x] - Fastener Specifications

  24. GM5865265

    Catalytic Converter Nut (1) - Install and tighten [2x] - Fastener Specifications

  25. GM5400756

    Floor Panel Reinforcement (2) - Install

  26. Floor Panel Number 4 Cross Bar Reinforcement Bolt (1) - Install and tighten [6x] - Fastener Specifications
  27. GM5400642

    Underbody Rear Air Deflector- Right Side (5) - Install

  28. Underbody Rear Air Deflector Nut- Right Side (3) - Install and tighten [3x] - Fastener Specifications
  29. Underbody Rear Air Deflector Bolt- Right Side (2) - Install and tighten [3x] - Fastener Specifications
  30. Underbody Rear Air Deflector Nut- Right Side (4) - Install and tighten [2x] - Fastener Specifications
  31. Rear Wheelhouse Liner Bolt- Right Side (1) - Install and tighten - Fastener Specifications
  32. GM5400553

    Underbody Rear Air Deflector- Left Side (5) - Install

  33. Underbody Rear Air Deflector Nut- Left Side (2) - Install and tighten [3x] - Fastener Specifications
  34. Underbody Rear Air Deflector Bolt- Left Side (3) - Install and tighten [3x] - Fastener Specifications
  35. Underbody Rear Air Deflector Nut- Left Side (4) - Install and tighten [2x] - Fastener Specifications
  36. Rear Wheelhouse Liner Bolt- Left Side (1) - Install and tighten - Fastener Specifications
  37. GM5395705

    Rear Tire Front Air Deflector- Left Side and Right Side (2) - Install [2x]

  38. Rear Tire Front Air Deflector Bolt- Left Side and Right Side (1) - Install and tighten [4x] - Fastener Specifications
  39. GM5877068

    Install the front cradle sheer plate (2) between the front bumper fascia center air deflector and the driveline and front suspension cradle and raise into position.

  40. Ensure that the left and right side wheelhouse liners (1) are positioned in place under the front cradle sheer plate (2).
  41. GM5877073

    Front Wheelhouse Liner Bolt (1) - Install and tighten [2x] - Fastener Specifications

  42. GM5877036

    Front Crossmember Brace Bolt (3) - Install and tighten [8x] - Fastener Specifications

  43. Front Cradle Shear Plate Nut (2) - Install and tighten [2x] - Fastener Specifications
  44. Front Cradle Shear Plate Bolt (1) - Install and tighten [4x] - Fastener Specifications
  45. Remove the jack.
  46. GM5862911

    Front Bumper Fascia Air Deflector Retainer (2) - Install

  47. Front Bumper Fascia Air Deflector Bolt (1) - Install and tighten [4x] - Fastener Specifications
  48. GM5874489
    NOTE:

    Left side shown, right side similar.

    Front Compartment Air Deflector- Left Side and Right Side (1) - Install

  49. GM5874488
    NOTE:

    Left side shown, right side similar.

    Front Compartment Air Deflector Bolt- Left Side and Right Side (3) - Install and tighten [6x] - Fastener Specifications

  50. Front Wheelhouse Liner Retainer- Left Side and Right Side (2) - Install [2x]
  51. Front Wheelhouse Liner Bolt- Left Side and Right Side (1) - Install and tighten [6x] - Fastener Specifications
  52. Remove the support and lower the vehicle.
  53. Remove the engine support fixture. Engine Support Fixture
  54. Inspect the exhaust system for leaks.
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