Piston, Connecting Rod, and Bearing Removal (LDK, LHU)

Special Tools 

EN-43966-1  Connecting Rod Guides

For equivalent regional tools, refer to Special Tools (LDK, LHU) .

Fig 1: View of Connecting Rod Cap
Courtesy of GENERAL MOTORS COMPANY
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).
Fig 2: Piston And Connecting Rod Assembly
Courtesy of GENERAL MOTORS COMPANY
6. Install EN-43966-1  guides (1) on the connecting rod bolts before removing the piston and connecting rod assembly.
7. Remove the piston and connecting rod assembly (2).