GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • DW-110-030 Engine Overhaul Stand
    • KM-470-B Angular Torque Gauge
    • EN-48251 Crankshaft Rear Oil Seal Installer
    • EN-48249 Piston Ring Compressor

Cleaning Procedure

  1. Clean the bed plate sealing surface.
  2. Clean the engine block sealing surface.
  3. Clean the bed plate tightening bolts.
  4. Clean the bed plate bolt holes.

Assembly Procedure


    Object Number: 1822655  Size: SH
  1. Coat the crankshaft bearing with engine oil.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the oil nozzle tube.
  4. Tighten
    Tighten the oil nozzle tube retaining bolts to 23 N·m (17 lb ft).


    Object Number: 1822657  Size: SH
  5. If replacing the crankshaft, transfer the CPS target wheel to the new crankshaft.
  6. Tighten
    Tighten the CPS target wheel tightening bolts to 12 N·m (8.9 lb ft).


    Object Number: 1822595  Size: SH
  7. Install the crankshaft with the journal bearings.

  8. Object Number: 1822595  Size: SH
  9. Coat the sealant (Hylomar 3000) on the bed plate sealing surface.
  10. Notice: Refer to Fastener Notice in the Preface section.

  11. Install the bed plate.
  12. Tighten

        • Tighten the bed plate inner bolts to 25  N·m (18.4 lb ft). Using KM-470-B , tighten bed plate inner bolts another 45 degrees plus 90 degrees.
        • Tighten the bed plate outer bolts to 35  N·m (25.8 lb ft).
        • Tighten the engine block ground bolt to 25 N·m (18.4 lb ft).
        •  Tighten the transaxle tightening bolt (bed plate-to-transaxle bolt) to 75 N·m (55.3 lb ft).

    Object Number: 1822662  Size: SH
  13. Inspect the crankshaft end play with the crankshaft bearings installed. Refer to Engine Mechanical Specifications .

  14. Object Number: 1822663  Size: SH
  15. Coat the piston and the rings with engine oil.
  16. Insert the piston and connecting rod using EN-48249 .

  17. Object Number: 1822664  Size: SH
  18. Install the connecting rod cap bolts.
  19. Tighten
    Tighten the connecting rod cap bolts to 25  N·m (18.4 lb ft). Using the KM-470-B , tighten the connecting rod cap bolts another 90 degrees.

  20. Inspect the connecting rod end play. Refer to Engine Mechanical Specifications .

  21. Object Number: 1822665  Size: SH
  22. Install the crankshaft rear seal ring with new one using EN-48251 .

  23. Object Number: 1822650  Size: SH
  24. Install the A/C compressor and generator bracket.
  25. Tighten
    Tighten the A/C compressor and generator bracket bolts to 35 N·m (25.8 lb ft).


    Object Number: 1822647  Size: SH
  26. Install the flywheel or flexible plate.
  27. Tighten
    Tighten the flywheel or flexible plate tightening bolts to 105 N·m (77.4 lb ft).