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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Mechanical - 3.8L) >> Repair Instructions - On Vehicle >> Crankshaft Rear Oil Seal and Housing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Crankshaft Rear Oil Seal & Housing (Second Design)
    GM1646929Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (L26, LY7 GE 47716 Fill) or Cooling System Draining and Filling (L26 Static Fill) .
  2. Remove the engine flywheel. Refer to Engine Flywheel Replacement .
  3. Remove the oil pan. Refer to Oil Pan Replacement .
    4. IMPORTANT: Ensure not to damage the crankshaft outside diameter surface with any tool.
  4. Remove the crankshaft rear oil seal housing bolts.
  5. Remove the crankshaft rear oil seal housing and gasket.
    6. Fig 2: Locating Crankshaft Rear Oil Seal In Housing
    GM1437945Courtesy of GENERAL MOTORS CORP.
  6. Place the crankshaft rear oil seal housing face down on a clean surface and support with blocks of wood.
  7. Use a suitable driving tool and hammer and lightly tap around the outer edge of the seal to remove it.
  8. Inspect the crankshaft for nicks or burrs on the surface that contacts the seal.
  9. Repair or replace the crankshaft, if necessary.
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