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Home >> Cadillac >> 2021 >> CT4 V, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (6 Of 6) >> Oil Pump Replacement (RWD) >> Installation Procedure

Installation Procedure

  1. GM5517358Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Gasket (2) - Install NEW

  2. Oil Pump Drive Shaft (1) - Install
  3. GM5517359Courtesy of GENERAL MOTORS COMPANY

    Oil Pump (1) - Install

  4. GM5517354Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Oil Pump Bolt (1) - Install and tighten [4x] - Fastener Specifications

  5. GM5517353Courtesy of GENERAL MOTORS COMPANY

    Balancer Shaft Bearing (3) - Install

  6. Balancer Shaft Bearing Cap (2) - Install
  7. Balancer Shaft Housing Bolt (1) - Install and tighten [2x] - Fastener Specifications
  8. GM5517355Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Connect

  9. GM5517356Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Suction Pipe Gasket (3) - Install NEW

  10. Oil Pump Suction Pipe (2) - Install
  11. Oil Pump Suction Pipe Bolt (1) - Install and tighten - Fastener Specifications
  12. GM5021097Courtesy of GENERAL MOTORS COMPANY

    Wipe the oil pan surface with the Adhesion Plastic Pan Primer Promoter using a clean shop towel. Allow the cleaner to flash / evaporate. Wipe off the sealing surfaces with a lint free cloth. Do not touch the sealing surface after cleaning to avoid inducing containment debris to the bonding surface area. Adhesives, Fluids, Lubricants, and Sealers

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

    Do not allow sealant to skim over, the oil pan must be installed within 8 minutes of sealer application.

  14. Apply a 3 mm bead of sealant (1) around the seal bead path, as shown.
  15. GM5657090Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use the front cradle to rest the oil pan on while feeding the EN-52483  Cover Installation Guide Pins through the oil pan bolt holes in two locations to keep oil pan square and aid in alignment.

    Install EN-52483  Cover Installation Guide Pins in two locations to keep oil pan square and aid in alignment.

  16. GM5897694Courtesy of GENERAL MOTORS COMPANY

    Oil Pan (1) - Install NEW

    17. NOTE:

    Install some lower oil pan bolts to secure the oil pan.

  17. Lower Oil Pan Bolt (2) - Install and hand tighten [4x]
  18. EN-52483  Cover Installation Guide Pins - Remove [2x]
    19. NOTE:

    Install the remaining lower oil pan bolts.

  19. Lower Oil Pan Bolt (2) - Install and hand tighten [16x]
  20. Lower Oil Pan Bolt (2) - Tighten in sequence [20x] - Fastener Specifications
  21. GM5399464Courtesy of GENERAL MOTORS COMPANY

    {If equipped} Front Crossmember Brace (2) - Install

  22. {If equipped} Front Crossmember Brace Nut (1) - Install and tighten [4x] - Fastener Specifications
  23. GM5948738Courtesy of GENERAL MOTORS COMPANY

    Oil Pan Drain Plug (1) - Install

  24. Lower the vehicle. Lifting and Jacking the Vehicle
  25. Fill the engine with the appropriate oil type and quantity.
  26. Install the oil fill cap.
  27. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
  28. Operate the engine, check for leaks, and oil pressure.
  29. Perform the engine oil life reset. GM Oil Life System Resetting (With Scan Tool) , or GM Oil Life System Resetting (Without Scan Tool)
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