GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 45059 Angle Meter


    Object Number: 412440  Size: SH
  1. Install the crankshaft bearings and lubricate bearing surfaces with engine oil.

  2. Object Number: 412438  Size: SH
  3. Install the crankshaft on the journals.

  4. Object Number: 412491  Size: SH
  5. Apply sealer P/N 21019581, to the surfaces of the engine block to bedplate mating surfaces.

  6. Object Number: 412444  Size: SH
  7. Install the lower bearing halves, without grooves, into the lower crankcase. Apply oil to bearing surfaces.

  8. Object Number: 412435  Size: SH
  9. Install the lower crankcase. Tap gently into place with a suitable tool if necessary. Ensure it is aligned properly on the dowels.
  10. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 466499  Size: SH
  11. Install the crankshaft bearing bolts in sequence finger tight.
  12. 6.1. Tighten the crankshaft bearing bolts in sequence.

    Tighten
    Tighten the crankshaft bearing bolts to 20 N·m (15 lb ft).

    6.2. Tighten the crankshaft bearing bolts in sequence.

    Tighten
    Tighten the crankshaft bearing bolts 70 degrees using J 45059 .


    Object Number: 466531  Size: SH
  13. Tighten the lower crankcase perimeter bolts in sequence.
  14. Tighten
    Tighten the lower crankcase perimeter bolts to 25 N·m (18 lb ft).