GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • KM-470-B Angular Torque Gage
    • EN-48252 Crankshaft Oil Seal Installer

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1822657  Size: SH
  1. Install the CPS target wheel.
  2. Tighten
    Tighten the CPS target wheel tightening bolts to 12 N·m (8.9 lb ft).


    Object Number: 1822655  Size: SH
  3. Install the oil nozzle tube.
  4. Tighten
    Tighten the oil nozzle tube retaining bolts to 23 N·m (17 lb ft).


    Object Number: 2003034  Size: SH

    Important: Check the crankshaft and main bearing for damages, scratches and foreign materials.

  5. Lubricate the main bearings and crankshaft with new engine oil.
  6. Install the main bearings on the original position.
  7. Install the crankshaft.

  8. Object Number: 1822595  Size: SH
  9. Remove the lower crankcase. Refer to Lower Crankcase Replacement.

  10. Object Number: 1822665  Size: SH
  11. Install the crankshaft rear sealing with NEW one using by crankshaft rear oil seal installer EN-48252 .

  12. Object Number: 1822652  Size: SH
  13. Install the connecting rod caps. Refer to Piston, Connecting Rod, and Bearing Installation.
  14. Assemble the engine block. Refer to Engine Block Disassemble.