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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> ENGINE MECHANICAL - 4.8L, 5.3L, AND 6.0L (4 Of 4) >> Off-Vehicle Repair Instructions (Part 3) >> Crankshaft Rear Oil Seal Installation (RPO HP2)

Crankshaft Rear Oil Seal Installation (RPO HP2)

    IMPORTANT:
    • Do not lubricate the oil seal inside diameter (ID) or crankshaft surface.
    • Do not use the crankshaft rear oil seal again.
    Fig 1: View Of Crankshaft Rear Oil Seal
    GM1272844Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the outside diameter (OD) of the oil seal (141) with clean engine oil.
  2. Lubricate the rear cover oil seal bore with clean engine oil.

    DO NOT allow oil or other lubricants to contact the crankshaft surface.

  3. Install the J 41479-2A  (2) and bolts onto the rear of the crankshaft. See Special Tools .
  4. Tighten the bolts until snug. Do not overtighten.
  5. Install the rear oil seal onto the J 41479-2A  and push the seal to the rear cover bore. See Special Tools .
  6. Thread the J 41479  (1) threaded rod into the J 41479-2A  (2) until the tool contacts the oil seal. See Special Tools .
  7. Align the oil seal to the J 41479  (1). See Special Tools .
  8. Rotate the handle of the J 41479  (1) clockwise until the seal enters the rear cover and bottoms into the cover bore. See Special Tools .
    Fig 2: Using J 41479 To Install Rear Oil Seal
    GM1201554Courtesy of GENERAL MOTORS CORP.
  9. Remove the tools.
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