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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1029 (Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 3 Of 3)) >> Repair Instructions (Off-Vehicle Repair Instructions Part 3) >> Crankshaft Rear Oil Seal Installation (RPO HP2)

Crankshaft Rear Oil Seal Installation (RPO HP2)

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    IMPORTANT:
    • Do not lubricate the oil seal inside diameter (ID) or crankshaft surface.
    • Do not use the crankshaft rear oil seal again.
  1. Lubricate the outside diameter (OD) of the oil seal (141) with clean engine oil.
    2. Fig 1: View Of Crankshaft Rear Oil Seal
    GM1272844Courtesy of GENERAL MOTORS CORP.
  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.
  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.
  6. Thread the J 41479  (1) threaded rod into the J 41479-2A  (2) until the tool contacts the oil seal.
    7. Fig 2: Installing Crankshaft Rear Oil Seal Using J 41479-2A & J 41479
    GM1201554Courtesy of GENERAL MOTORS CORP.
  7. Align the oil seal to the J 41479  (1).
  8. Rotate the handle of the J 41479  (1) clockwise until the seal enters the rear cover and bottoms into the cover bore.
  9. Remove the tools.
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