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Installation Procedure

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  1. Clean all sealing surfaces.
  2. GM5152485Courtesy of GENERAL MOTORS COMPANY

    Slip the EN-52439 - 3  Crankshaft Oil Seal Ring Guide Rear (2) through the seal from the outside cover to inside [2x] to shape the seal lip in the crankshaft rear oil seal housing (1).

  3. Mark the crankshaft rear oil seal housing with a reference line to the dowel to align the EN-52439 - 1  Crankshaft Oil Seal Ring Guide Rear.
  4. GM5152487Courtesy of GENERAL MOTORS COMPANY

    Install the EN-52439 - 3  Crankshaft Oil Seal Ring Guide Rear (2) through the seal with the EN-52439 - 1  Crankshaft Oil Seal Ring Guide Rear (1) to keep the shape of the seal in the crankshaft rear oil seal housing (3).

  5. Align the EN-52439 - 1  Crankshaft Oil Seal Ring Guide Rear dowel hole to the line previous applied on the new cover.
  6. GM5020811Courtesy 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 10 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 EN-52439 - 1  Crankshaft Oil Seal Ring Guide Rear (2) 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 

  7. GM5020807Courtesy of GENERAL MOTORS COMPANY

    EN-52483  Guide Pins (2) - Install

  8. Crankshaft Rear Oil Seal Housing (1) - Install NEW
  9. EN-52439 - 1  Crankshaft Oil Seal Ring Guide Rear (3).
  10. GM5020817Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Rear Oil Seal Housing Bolt (1) - Install and hand tighten [13x]

  11. Remove the EN-52483  Guide Pins
  12. Fig 1: Identifying Crankshaft Rear Oil Seal Housing Bolts With Tightening Sequence
    GM5020822Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The bolts (1, 2, 3, 5) must be tightening two times.

    Crankshaft Rear Oil Seal Housing Bolt - Tighten in sequence [13x] 8.5 N.m (75 lb in)

  13. GM5045423Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Position Sensor (2) - Install - Crankshaft Position Sensor Replacement

  14. Crankshaft Position Sensor Inner Exciter Ring - Install - Crankshaft Position Sensor Inner Exciter Ring Replacement 
  15. GM4968275Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Flex Plate (1) - Install - Automatic Transmission Flex Plate Replacement 

  16. Fig 2: Identifying Oil Pan Drain Plug, Seal And Oil Filter
    GM4962065Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Drain Plug (3) - Install

  17. Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement