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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 832 (Engine Mechanical (Repair Instructions 1 Of 3) - 5.7L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1 >> On-Vehicle Repair Instructions >> Engine Rear Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
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 center the crankshaft rear 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.
  • The crankshaft rear oil seal will be installed after the rear cover has been installed.
  • An improperly aligned rear cover may cause premature rear oil seal wear and/or engine assembly oil leaks.
    Fig 1: Rear Cover Gasket & Bolts
    GM1554289Courtesy of GENERAL MOTORS CORP.
  1. Install the rear cover gasket and cover.
  2. Install the rear cover bolts until snug. Do not overtighten.
    3. Fig 2: Oil Pan-To-Front Cover Bolts & Oil Pan-To-Rear Cover Bolts
    GM701560Courtesy of GENERAL MOTORS CORP.
  3. Install the oil pan-to-rear cover bolts (1) until snug. Do not overtighten.
    4. Fig 3: View Of J 41476
    GM451716Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The tapered legs of the alignment tool must enter the rear cover oil seal bore.
  4. Rotate the crankshaft until 2 opposing flywheel bolt holes are parallel to the oil pan surface.
  5. Install the J 41476  and bolts onto the rear of the crankshaft.
    6. NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Tighten the J 41476  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).

  7. Remove the J 41476  .
    8. Fig 4: View Of Crankshaft Rear Oil Seal
    GM490692Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Do not lubricate the oil seal inside diameter (ID) or the crankshaft surface.
    • Do not reuse the crankshaft rear oil seal.
  8. Lubricate the outside diameter (OD) of the oil seal (1) with clean engine oil.

    Do not allow oil or other lubricants to contact the seal surface.

  9. Lubricate the rear cover oil seal bore with clean engine oil.

    Do not allow oil or other lubricants to contact the crankshaft surface.

    10. Fig 5: J 41479, Rear Crankshaft & Cone
    GM1554286Courtesy of GENERAL MOTORS CORP.
  10. Install the J 41479  cone (2) and bolts onto the rear of the crankshaft.
  11. Tighten the bolts until snug. Do not overtighten.
  12. Install the rear oil seal onto the tapered cone (2) until the tool (1) contacts the oil seal.
  13. Thread the J 41479  threaded rod into the tapered cone (2) until the tool (1) contacts the oil seal.
  14. Align the oil seal onto the tool (1).
  15. Rotate the handle of the J 41479  clockwise until the seal enters the rear cover and bottoms into the cover bore.
  16. Remove the J 41479  .
  17. Install the engine flywheel. Refer to Engine Flywheel Replacement .
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