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Home >> Cadillac >> 2021 >> CT4 V, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (4 Of 6) >> Crankshaft Rear Oil Seal and Housing Replacement >> Installation Procedure

Installation Procedure

  1. Clean all sealing surfaces.
  2. GM5045205Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • The crankshaft rear oil seal housing surface must be free of contamination prior to applying the sealer.
    • Install and align the crankshaft rear oil seal housing to the block within 8 minutes after applying the sealer.
    • The crankshaft rear oil seal housing must be fastened to final torque specification within 15 minutes after applying the sealer.

    Set the crankshaft rear oil seal housing on the back side to apply approximately a 4 mm (0.16 in) thick bead of sealant (1) to the crankshaft rear oil seal housing. Adhesives, Fluids, Lubricants, and Sealers

  3. GM5021095Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Rear Oil Seal Housing Locating Pin (1) - Install [2x]

  4. Crankshaft Rear Oil Seal Housing (2) - Install
  5. Crankshaft Rear Oil Seal Housing Bolt (3) - Install and tighten in sequence [14x] - Fastener Specifications
  6. GM5130060Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Position Sensor (2) - Install

    7. CAUTION:

    Refer to Fastener Caution

  7. Crankshaft Position Sensor Bolt (1) - Install and tighten - Fastener Specifications
  8. GM5021490Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not allow the crankshaft position sensor reluctor ring to come into contact with external magnetic fields or sharp metal objects. Do not drop the crankshaft position sensor reluctor ring. Do not damage the rubberized encoder track. Failure to follow these precautions may cause damage to the component.

    NOTE:

    Ensure that the flywheel locating pin (2) sits in the correct holes in the crankshaft and the crankshaft position sensor inner exciter ring.

    Flywheel Locating Pin (1) - Install

  9. Crankshaft Position Sensor Inner Exciter Ring (2) - Install
  10. Clean the 8 flex plate bolt hole threads in the crankshaft.
  11. GM4968259Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Check the flex plate for damage before installation.
    • Check the guide pin for correct seat in the crankshaft.

    Automatic Transmission Flex Plate (1) - Install

  12. Check that guide pin (2) is in the correct hole of the automatic transmission flex plate.
    13. CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

  13. Automatic Transmission Flex Plate Bolt (3) - Install, but do NOT tighten [8x]
  14. GM4968252Courtesy of GENERAL MOTORS COMPANY

    EN-52476  Flywheel Holding Tool (1) - Install

  15. Automatic Transmission Flex Plate Bolt (2) - Tighten [8x] - Fastener Specifications
  16. EN-52476  Flywheel Holding Tool - Remove
  17. Transmission - Install - Transmission Replacement (All Wheel Drive) , or Transmission Replacement (Rear Wheel Drive)
  18. Lower the vehicle.
  19. Check the transmission fluid level. Transmission Fluid Level and Condition Check

    Connect the battery. - Battery Negative Cable Disconnection and Connection

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