GM Service Manual Online
For 1990-2009 cars only

Special Tools

EN-45059 Torque Angle Sensor Kit

For equivalent regional tools, refer to Special Tools.

  1. Remove the oil pan. Refer to Oil Pan Removal.

  2. Object Number: 2026855  Size: SH
  3. Remove the connecting rod bearing cap.

  4. Object Number: 2026853  Size: SH
    2.1. Mark the installation position (1) of the connecting rod bearing cap.
    2.2. Remove the 2 bolts.
    2.3. Degrease the connecting rod bearing cap and wet the connecting rod bearing clip with engine oil.

    Note: Do not rotate the crankshaft.

  5. Lay on plastigage. Refer to Adhesives, Fluids, Lubricants, and Sealers for the recommended plastigage.
  6. Lay plastigage (flexible plastic thread) over the entire width of the connecting rod bearing journal.

  7. Install the connecting rod bearing cap.
  8. Caution: Refer to Fastener Caution in the Preface section.

  9. Tighten the 2 bolts in three passes using the EN-45059 sensor kit :
  10. 5.1. First pass tighten to  35 N·m (26 lb ft).
    5.2. Second pass tighten to an additional  45 degrees
    5.3. Third pass tighten to an additional  15 degrees

    Object Number: 2026855  Size: SH
  11. Remove the connecting rod bearing cap.
  12. Remove the 2 bolts.


    Object Number: 2026856  Size: SH

    Note: When reading the value, do not confuse millimeters and inches on the measuring scale.

  13. Measure the connecting rod bearing play.
  14. • Compare the width of the flattened plastic thread with the measuring scale.
    • Permissible connecting rod bearing play: 0.019-0.071 mm (0.0007-0.0028 in).

    Note: Check markings on parts.

  15. Install the connecting rod bearing cap.
  16. • Wet the connecting rod bearing journal and con-rod bearing clips with engine oil.
    • Renew the bolts.
  17. Tighten the 2 bolts in three passes using the EN-45059 sensor kit :
  18. 9.1. First pass tighten to  35 N·m (26 lb ft)
    9.2. Second pass tighten to an additional  45 degrees
    9.3. Third pass tighten to an additional  15 degrees
  19. Install the oil pan. Refer to Oil Pan Installation.