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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 326 (Engine Mechanical - 3.0L (LGY) - Repair Instructions) >> Repair Instructions >> Camshaft Replacement - Left Side >> Installation Procedure

Installation Procedure

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  1. GM5521009Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Laser Etched or ID flats - Correct Camshaft Location - Bank 2 (G)

    Intake Camshaft - Left Side (1) - Install

    1. Make sure the camshaft flats with laser etched markings are straight up in relation to the cylinder head and that the crankshaft is in the stage 1 position. The crankshaft key way will be at approximately the 11 o'clock position. Timing Chain Alignment Diagram
    2. Ensure the flat is facing upward when installed to help when installing timing chains.
  2. NOTE:

    Laser Etched or ID flats - Correct Camshaft Location - Bank 2 (H)

  3. Exhaust Camshaft - Left Side (2) - Install
    1. Make sure the camshaft flats with laser etched markings are straight up in relation to the cylinder head and that the crankshaft is in the stage 1 position. The crankshaft key way will be at approximately the 11 o'clock position. Timing Chain Alignment Diagram
    2. Ensure the flat is facing upward when installed to help when installing timing chains.
  4. GM5521010Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Many internal engine components will develop specific wear patterns on their friction surfaces.
    • Components MUST be separated, marked, or organized in a way to ensure installation to their original location and position. Take precautions in order to prevent interchanging of parts.
    • Tag or mark each part immediately when removed. Indicate location, direction, or orientation when necessary.

    Camshaft Bearing Cap (1) - Install

  5. Camshaft Bearing Cap (2) - Install [2x]
  6. Camshaft Bearing Cap Bolt (3) - Install and hand tighten [12x]
  7. GM5521011Courtesy of GENERAL MOTORS COMPANY
  8. Camshaft Bearing Cap (2) - Install
  9. Camshaft Carrier Bolt (3) - Install and hand tighten [4x]
  10. Camshaft Bearing Cap Bolt (4) - Install and hand tighten
  11. Fig 1: Identifying Camshaft Bearing Cap Bolts With Tightening Sequence - Left Side
    GM5518232Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  12. Camshaft Bearing Cap Bolt (3) - Tighten in sequence [12x]
    1. First Pass: 6 N.m (53 lb in)
    2. Final Pass: 60 degrees
  13. GM4170814Courtesy of GENERAL MOTORS COMPANY

    Camshaft Position Actuator (1) - Install [2x] - Camshaft Position Actuator Replacement - Bank 2