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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 5.3L) >> Repair Instructions - On Vehicle >> Crankshaft Rear Oil Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Oil Seal Orientation
    GM1699207Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: For proper orientation, note the installation direction of the oil seal. The oil seal is a reverse-lip design. The part number is applied to the outside face of the seal, as shown.
  1. Inspect the seal and identify the part number markings for proper orientation.
    2. Fig 2: View Of Crankshaft Rear Oil Seal
    GM1272844Courtesy 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.
  2. Lubricate the outside diameter (OD) of the oil seal (141) with clean engine oil. DO NOT allow oil or other lubricants to contact the seal surface.
  3. Lubricate the rear cover oil seal bore with clean engine oil. DO NOT allow oil or other lubricants to contact the crankshaft surface.
    4. Fig 3: View Of J 41479 Cone & Bolts
    GM63200Courtesy of GENERAL MOTORS CORP.
  4. Install the J 41479  tapered cone (2) with the J 41479-2A  and bolts onto the rear of the crankshaft. See Special Tools .
  5. Tighten the bolts until snug. Do not overtighten.
  6. Install the rear oil seal onto the tapered cone (2) and push the seal to the rear cover bore.
  7. Install the oil seal with the part number markings facing away from the engine.
  8. Thread the J 41479  threaded rod into the tapered cone until the tool (1) contacts the oil seal. See Special Tools .
  9. Align the oil seal into the tool (1).
  10. Rotate the handle of the tool (1) clockwise until the seal enters the rear cover and bottoms into the cover bore.
  11. Remove the J 41479  and the J 41479-2A  . See Special Tools .
  12. Install the engine flywheel. Refer to Engine Flywheel Replacement .
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