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Home >> Cadillac >> 2021 >> CT5 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 3.0L (LGY)) >> Repair Instructions >> Upper Oil Pan Replacement (RWD) >> Installation Procedure

Installation Procedure

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  1. GM5338006Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    Place a 3 mm (0.118 in) bead of RTV sealant (1) on the block pan rail and the crankshaft rear oil seal housing. Adhesives, Fluids, Lubricants, and Sealers 

  2. GM5527072Courtesy of GENERAL MOTORS COMPANY

    Oil Pan (5) - Install

  3. Oil Pan Bolt (1, 2, 4) - Install and hand tighten [ 14x ]
  4. Oil Pan Bolt (3) - Install NEW and hand tighten [ 3x ]
  5. GM5338008Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Oil Pan Bolt (1-4) - Tighten in sequence [ 17x ]

    • Tighten bolts (1, 2, 4) to 25 N.m (18 lb-ft)
    • Tighten bolts (3) to:
      1. First Pass: 7 N.m (62 lb/in)
      2. Final Pass: 180 degrees
  6. GM4165892Courtesy of GENERAL MOTORS COMPANY

    Install the 5 lower transmission to engine mount bolts. (1) Transmission Replacement (RWD)

  7. Catalytic Converter Brace - Install - Catalytic Converter Brace Replacement (LSY) , or Catalytic Converter Brace Replacement (LGY)
  8. Engine Mount Bracket-Left Side - Install - Engine Mount Bracket Replacement - Left Side (RWD) 
  9. Engine Mount Bracket-Right Side - Install - Engine Mount Bracket Replacement - Right Side (RWD) 
  10. GM4255820Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connector. (1)

  11. Engine Wiring Harness Retainer (2) - Connect
  12. GM5500451Courtesy of GENERAL MOTORS COMPANY

    Position engine oil cooler and install 4 engine oil cooler bolts (1). Engine Oil Cooler Replacement (LSY) , or Engine Oil Cooler Replacement (LGY)

  13. Front Differential Carrier Assembly - Install - Front Differential Carrier Assembly Replacement
  14. Fill the engine oil to the proper level with NEW engine oil.
  15. Start the engine and inspect for leaks.