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Home >> Cadillac >> 2003 >> Escalade ESV >> Repair and Diagnosis >> External Pages >> Different car >> Section 501 (Engine Mechanical (Repair Instructions -- 1 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Engine Rear Cover Replacement >> Installation Procedure

Installation Procedure

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IMPORTANT:
  • Do not reuse the crankshaft oil seal or rear cover gasket.
  • Do not apply any type of sealant to the rear cover gasket (unless specified).
  • The special tool in this procedure is used to properly center the crankshaft rear oil seal.
  • The crankshaft rear oil seal will be installed after the rear cover has been installed and aligned.

    Install the rear cover without the crankshaft oil seal.

    • All gasket surfaces should be free of oil or other foreign material during assembly.
    • The crankshaft rear oil seal MUST be centered in relation to the crankshaft.
    • An improperly aligned rear cover may cause premature rear oil seal wear and/or engine assembly oil leaks.
  1. Apply a 5 mm (0.20 in) bead of sealant GM P/N 12378190, or equivalent 20 mm (0.80 in) long to the oil pan to engine block junction.
    2. Fig 1: View Of Sealant Applied To Rear Oil Pan-To-Engine Block Junction
    GM451898Courtesy of GENERAL MOTORS CORP.
  2. Install the rear cover gasket and cover.
  3. Install the rear cover bolts until snug. Do not overtighten.
    4. Fig 2: View Of Rear Cover, Bolts & Gasket
    GM64282Courtesy of GENERAL MOTORS CORP.
  4. Install the oil pan-to-rear cover bolts (1) until snug. Do not overtighten.
    5. Fig 3: View Of Oil Pan-To-Rear Cover Bolts
    GM680413Courtesy of GENERAL MOTORS CORP.
  5. Rotate the crankshaft until two opposing flywheel bolt holes are parallel to the oil pan surface.
    IMPORTANT: The tapered legs of the alignment tool must enter the rear cover oil seal bore.
  6. Install the J 41476  and bolts onto the rear of the crankshaft.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 4: View Of J 41476
    GM451716Courtesy of GENERAL MOTORS CORP.
  7. Tighten the J 41476  mounting bolts until snug. Do not overtighten.

    Tighten: 

    1. Tighten the oil pan-to-rear cover bolts to 12 N.m (106 lb in).
    2. Tighten the engine rear cover bolts to 25 N.m (18 lb ft).

  8. Remove the J 41476  .
  9. Install a NEW crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Replacement .
  10. Install the engine flywheel. Refer to Engine Flywheel Replacement .
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