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Home >> Cadillac >> 2016 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 3.6L (LGX, LF3) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Engine Block Assemble (LF3)

Engine Block Assemble (LF3)

WARNING: This page is about a different variant/trim than selected.
  1. Install the cylinder block-to-cylinder head alignment dowels.
    Fig 1: Cylinder Block-To-Cylinder Head Alignment Dowels
    GM902736Courtesy of GENERAL MOTORS COMPANY
  2. Install the NEW front oil gallery expansion plug.
    Fig 2: View Of Front Oil Gallery Expansion Plug
    GM902730Courtesy of GENERAL MOTORS COMPANY
  3. Ensure the NEW front oil gallery expansion plug is installed to the proper depth.
  4. Install the cylinder block-to-transmission alignment dowels.
    Fig 3: Identifying Cylinder Block-To-Transmission Alignment Dowels
    GM902737Courtesy of GENERAL MOTORS COMPANY
  5. Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant

    Apply the RTV sealant on the NEW coolant expansion plugs. Refer to Adhesives, Fluids, Lubricants and Sealers (LF3) for recommended sealant.

    Fig 4: Identifying Coolant Expansion Plugs
    GM902733Courtesy of GENERAL MOTORS COMPANY
  6. Install the NEW coolant expansion plugs.
  7. Ensure the NEW coolant expansion plugs are installed to the proper depth.
  8. Apply thread sealant on the threads of the M20 left side oil gallery threaded plug. Refer to Adhesives, Fluids, Lubricants and Sealers (LF3) for recommended sealant.
    Fig 5: Removing/Installing M20 Left Side Oil Gallery Threaded Plug
    GM1327926Courtesy of GENERAL MOTORS COMPANY
  9. Install the M20 left side oil gallery threaded plug and tighten to 75 N.m (55 lb ft).
    CAUTION: Refer to Fastener Caution .
  10. Apply thread sealant on the threads of the M14 left side coolant drain threaded plug. Refer to Adhesives, Fluids, Lubricants and Sealers (LF3) for recommended sealant.
    Fig 6: View Of M14 Left Side Coolant Drain Threaded Plug
    GM1327925Courtesy of GENERAL MOTORS COMPANY
  11. Install the M14 left side coolant drain threaded plug and tighten to 50 N.m (37 lb ft).
  12. Apply thread sealant on the threads of the M14 rear oil gallery threaded plug. Refer to Adhesives, Fluids, Lubricants and Sealers (LF3) for recommended sealant.
    Fig 7: Identifying M14 Rear Oil Gallery Threaded Plug
    GM1327924Courtesy of GENERAL MOTORS COMPANY
  13. Install the M14 rear oil gallery threaded plug and tighten to 50 N.m (37 lb ft).
  14. Apply thread sealant on the threads of the M14 right side coolant drain threaded plug. Refer to Adhesives, Fluids, Lubricants and Sealers (LF3) for recommended sealant.
    Fig 8: Identifying M14 Right Side Coolant Drain Threaded Plug
    GM1327923Courtesy of GENERAL MOTORS COMPANY
  15. Install the M14 right side coolant drain threaded plug and tighten to 50 N.m (37 lb ft).
  16. Apply thread sealant on the threads of the M14 right side oil gallery threaded plug. Refer to Adhesives, Fluids, Lubricants and Sealers (LF3) for recommended sealant.
    Fig 9: Identifying M14 Right Side Oil Gallery Threaded Plug
    GM1327922Courtesy of GENERAL MOTORS COMPANY
  17. Install the M14 right side oil gallery threaded plug and tighten to 50 N.m (37 lb ft).
  18. Install the cylinder block-to-oil pan alignment dowels.
    Fig 10: Identifying Cylinder Block-To-Oil Pan Alignment Dowels
    GM902740Courtesy of GENERAL MOTORS COMPANY
  19. Install the NEW right front oil pan rail oil gallery expansion plug.
    Fig 11: Locating Right Front Oil Pan Rail Oil Gallery Expansion Plug
    GM902732Courtesy of GENERAL MOTORS COMPANY
  20. Ensure the NEW right front oil pan rail oil gallery expansion plug is installed to the proper depth.
  21. Install the oil jets.
    Fig 12: Identifying Oil Jets & Bolts
    GM1866877Courtesy of GENERAL MOTORS COMPANY
  22. Install the oil jet bolts and tighten to 10 N.m (89 lb in).
  23. Install the NEW crankshaft position sensor O-ring, if damaged.
    Fig 13: View Of Crankshaft Position Sensor O-Ring
    GM1930269Courtesy of GENERAL MOTORS COMPANY
  24. Install the crankshaft position sensor.
    Fig 14: View Of Crankshaft Position Sensor
    GM1930246Courtesy of GENERAL MOTORS COMPANY
  25. Install the crankshaft position sensor bolt and tighten to 10 N.m (89 lb in).
  26. Install the left knock sensor to the cylinder block, as shown.
    Fig 15: Identifying Left Knock Sensor & Bolt
    GM1930214Courtesy of GENERAL MOTORS COMPANY
  27. Install the left knock sensor bolt and tighten to 25 N.m (18 lb ft).
  28. Ensure proper sensor orientation.
  29. Install the right knock sensor to the cylinder block, as shown.
    Fig 16: View Of Right Knock Sensor
    GM1930195Courtesy of GENERAL MOTORS COMPANY
  30. Install the right knock sensor bolt and tighten to 25 N.m (18 lb ft).
  31. Ensure proper sensor orientation.
  32. Install the block heater cartridge, if equipped.
    Fig 17: View Of Block Heater Cartridge
    GM1930194Courtesy of GENERAL MOTORS COMPANY
  33. Install the engine front cover studs (1) and tighten to 15 N.m (11 lb ft).
    Fig 18: Identifying Engine Front Cover Studs
    GM2296303Courtesy of GENERAL MOTORS COMPANY
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