GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 45059 Angle Meter

For equivalent regional tools, refer to Special Tools.


    Object Number: 2146309  Size: SH
  1. Install the upper crankshaft bearings (1) and lubricate bearing surfaces with engine oil.

  2. Object Number: 2146372  Size: SH
  3. Install the crankshaft (1) on the journals.

  4. Object Number: 2146310  Size: SH
  5. Install the lower bearing halves (1), without grooves, into the lower crankcase. Apply oil to bearing surfaces.

  6. Object Number: 2146373  Size: SH

    Note: 

       • The block assembly surface must be free of contamination prior to applying the sealer.
       • Install and align the bedplate to block within 20 minutes of applying the sealer.
       • The bedplate must be fastened to final torque specification within 60 minutes of applying the sealer.

  7. Apply a 4.25 mm bead of sealer, dimension a, directly in the groove of the block to bedplate mating surfaces. Refer to Adhesives, Fluids, Lubricants, and Sealers.

  8. Object Number: 2153631  Size: SH
  9. Install the lower crankcase (1). Tap gently into place with a suitable tool if necessary. Ensure it is aligned properly on the dowels.
  10. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 466499  Size: SH
  11. Install the NEW crankshaft bearing bolts in sequence finger tight.
  12. 6.1. Tighten the crankshaft bearing bolts in sequence to 20 N·m  (15 lb ft).
    6.2. Tighten the crankshaft bearing bolts in sequence using the J 45059 meter an additional 70 degrees.

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