GM Service Manual Online
For 1990-2009 cars only

    Object Number: 31379  Size: SH
  1. Remove the crankshaft rear oil seal from the crankshaft rear oil seal housing.
  2. Insert a suitable tool into the access notches and then carefully pry the crankshaft rear oil seal from the crankshaft rear oil seal housing.

  3. Discard the crankshaft rear oil seal.

  4. Object Number: 334317  Size: SH
  5. Remove the crankshaft rear oil seal housing nut and bolts.
  6. Remove the crankshaft rear oil seal housing.

  7. Object Number: 334319  Size: SH
  8. Remove the crankshaft rear oil seal housing gasket.
  9. Discard the crankshaft rear oil seal housing gasket.

  10. Object Number: 334326  Size: SH
  11. Remove the crankshaft rear oil seal housing retainer stud from the engine block.