GM Service Manual Online
For 1990-2009 cars only

    Object Number: 635701  Size: SH
  1. Remove the bolt that attaches the oil pump to the rear crankshaft bearing cap.
  2. Remove the oil pump, driveshaft and retainer from the rear crankshaft bearing cap.
  3. Separate the oil pump, driveshaft and retainer.
  4. Discard the driveshaft retainer.

  5. Object Number: 635703  Size: SH
  6. Remove the crankshaft oil deflector nuts.
  7. Remove the crankshaft oil deflector.