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Home >> Cadillac >> 2021 >> CT4 V, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (3 Of 6) >> Positive Crankcase Ventilation Valve Replacement >> Installation Procedure

Installation Procedure

  1. GM5159346Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Valve (1) - Install NEW

  2. GM5022287Courtesy of GENERAL MOTORS COMPANY

    Ensure the 2 engine front cover locating pins (1) are in place.

  3. Timing Belt Front Upper Cover Seal (2) - Install NEW
  4. GM5512168Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure that the sealing surface is clear of oil, grease and old sealant material.

    NOTE:

    Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant

    NOTE:

    The timing chain upper cover must be installed within 8 minutes of the RTV sealant application.

    Apply room temperature vulcanizing (RTV) sealant at the seam between the camshaft housing and the cylinder head where indicated.

  5. GM5022287Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Upper Cover (3) - Install

  6. Timing Chain Upper Cover Bolt (4) - Install and hand tighten [9x]
  7. Timing Chain Upper Cover Bolt (5) - Install and hand tighten
  8. CAUTION:

    Refer to Fastener Caution .

  9. Timing Chain Upper Cover Bolt (4, 5) - Tighten in sequence [10x] - Fastener Specifications
  10. GM5020482Courtesy of GENERAL MOTORS COMPANY

    Camshaft Position Actuator Magnet Gasket (3) - Install NEW [2x]

  11. Camshaft Position Actuator Magnet (2) - Install [2x]
  12. Camshaft Position Actuator Magnet Bolt (1) - Install and tighten [4x] - Fastener Specifications
  13. GM5512093Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Install

  14. GM5512092Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Tube (4) - Connect - Plastic Collar Quick Connect Fitting Service

  15. Electrical Connector (1) - Connect [2x]
  16. GM5432174Courtesy of GENERAL MOTORS COMPANY

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

  17. GM5432171Courtesy of GENERAL MOTORS COMPANY

    Push down on the front of the intake manifold cover (2).

  18. Intake Manifold Cover Bolt (1) - Install and tighten [2x] - Fastener Specifications
  19. Install the oil fill cap.
  20. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection