GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 24270 Cylinder Bore Ridge Reamer
    •  J 41556 Connecting Rod Guide

    Object Number: 11497  Size: SH

    Important: The connecting rods and the bearing caps are NOT interchangeable.

  1. Use the J 24270 in order to remove the cylinder bore ring ridge, if required.
  2. 1.1. Turn the crankshaft until the piston is at the bottom of the stroke.
    1.2. Place a cloth on top of the piston.
    1.3. Use the J 24270 or equivalent in order to remove cylinder ring ridge.
    1.4. Turn the crankshaft so the piston is at the top of the stroke.
    1.5. Remove the cloth.
    1.6. Remove the cutting debris from the cylinder and piston.

    Object Number: 53223  Size: SH

    Important: 

       • Using a paint stick or etching tool, place matchmarks or numbers on the connecting rods and the connecting rod caps. The connecting rods and caps MUST be assembled to their original position and direction.
       • A stamping mark on the side of the connecting rod, at the crank journal, may effect component geometry.
       • Mark the top of the piston to the specific cylinder bore.

  3. Remove the connecting rod bolts.
  4. Important: Mark, sort, or organize the connecting rod bearings so they may be installed to their original position and location.

  5. Remove the connecting rod cap. Refer to Separating Parts .

  6. Object Number: 63186  Size: SH
  7. Install the J 41556 to the connecting rod.

  8. Object Number: 64285  Size: SH
  9. Use a hammer and tap lightly on the end of the J 41556 in order to remove the piston and connecting rod assembly from the cylinder bore.

  10. Object Number: 53223  Size: SH
  11. Upon removal of the piston and connecting rod assembly, assemble the connecting rod cap and bolts onto the matching connecting rod.