GM Service Manual Online
For 1990-2009 cars only

Piston, Connecting Rod, and Bearing Removal LDK

Special Tools

EN-43966-1 Connecting Rod Guides

For equivalent regional tools, refer to Special Tools.


    Object Number: 2146305  Size: SH
  1. Rotate the crankshaft to a position where the connecting rod bolts are the most accessible.
  2. Mark the connecting rod and cap with the cylinder position. Also mark their orientation. This will ensure the caps and connecting rods are re-assembled properly.
  3. Remove any ridge at the top of the cylinder bore to avoid damage to the piston ring lands.
  4. Remove the connecting rod bolts.
  5. Remove the connecting rod cap (1).

  6. Object Number: 2146306  Size: SH
  7. Install EN-43966-1 guides  (1) on the connecting rod bolts before removing the piston and connecting rod assembly.
  8. Remove the piston and connecting rod assembly (2).