Tools Required
|     •  | J 24270 
 Cylinder
Bore Ridge Reamer | 
 
- Mark the piston with the
number of the cylinder from which the piston is being removed.
 
- Mark the connecting rod and the connecting rod cap in order to
 ensure correct assembly.
 
Notice: If there is a pronounced ridge at the top of the piston travel, the
ridge must be removed with a ridge reamer before the piston and connecting
rod assembly are removed. Applying force may break the piston rings or damage
the piston.
- Use the 
J 24270 
 in order to remove the cylinder bore ring ridge. Complete the following
steps:
 
| 3.1.  | Turn the crankshaft until the piston is at the bottom of the stroke. | 
 
| 3.2.  | Cover the piston with a cloth. | 
 
| 3.3.  | Remove the cylinder ring ridge. | 
 
| 3.4.  | Turn the crankshaft until the piston is at the top of the stroke. | 
 
| 3.6.  | Remove the metal shavings from the cylinder and piston. | 
 
- Remove the connecting
rod bolts.
 
- Remove the connecting rod cap.
 
- Remove the connecting rod bearing half.
 
- Install 
J 41556 
into the connecting rod.
 
- Remove the connecting rod and piston assembly from the engine
with a suitable tool.