LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1224 (Engine Mechanical - 3.8L (On-Vehicle)) >> Repair Instructions >> Crankshaft Rear Oil Seal and Housing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
  2. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
  3. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  4. Remove the engine flywheel. Refer to Engine Flywheel Replacement .
  5. Remove the oil pan. Refer to Oil Pan Replacement .
  6. Remove the crankshaft rear oil seal housing bolts.
  7. Remove the crankshaft rear oil seal housing.
  8. Remove the crankshaft rear oil seal.

    Important:  Make sure not to damage the crankshaft outside diameter surface with any tool.

  9. Remove the gasket from the crankshaft rear oil seal housing and the cylinder block.
  10. Inspect the inside diameter of the bore. Correct or replace the crankshaft rear oil seal housing if necessary.
  11. Inspect the crankshaft for nicks of burrs on the surface that contacts the seal.
  12. Repair or replace the crankshaft if necessary.
    Fig 1: Crankshaft Rear Oil Seal & Housing
    G01703379Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals