Piston, Connecting Rod, and Bearing Removal
WARNING: This page is about a different variant/trim than selected.
Special Tools
- J 24270 Cylinder Bore Ridge Reamer
- J 41556 Connecting Rod Guide
For equivalent regional tools, refer to Special Tools .
- Use the J 24270
ridge reamer in order to remove the cylinder bore ring ridge, if required.
- Turn the crankshaft until the piston is at the bottom of the stroke.
- Place a cloth on top of the piston.
- Use the J 24270 ridge reamer , or equivalent, in order to remove a cylinder ring ridge.
- Turn the crankshaft so the piston is at the top of the stroke.
- Remove the cloth.
- Remove the cutting debris from the cylinder and piston.
- 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 crankshaft journal, may affect component geometry.
- Mark the top of the piston to the specific cylinder bore.
- Remove the connecting rod bolts (102), cap (103) and bearing (104).
- Install the J 41556 guide to the connecting rod.
- Using a hammer, tap lightly on the end of the J 41556 guide in order to remove the piston and connecting rod assembly from the cylinder bore.
- Remove the J 41556 guide.
- Upon removal of the piston and connecting rod assembly, assemble the connecting rod cap and bolts onto the matching connecting rod.
IMPORTANT:
Mark, sort, or organize the connecting rod bearings so they may be installed to their original position and location. The connecting rods and the bearing caps are NOT interchangeable. Refer to Separating Parts .