Cylinder Block Assembly: Service and Repair

Pistons and connecting rods, disassembling and assembling





1- Piston rings
^ Offset gaps by 120°
^ "TOP" faces piston crown
2- Piston
^ Mark with installed position and cylinder number
^ Arrow on piston crown points to belt pulley end
3- Piston pin
^ If difficult to remove, heat piston to 60°C
4- Circlip
5- Connecting rod
^ Mark cylinder allocation - A - with colored felt tip pen
^ Installed position: Marking - B - faces belt pulley end
6- Bearing shell
^ Note installed position
^ Note version: Upper bearing shell (toward piston) made of a more wear resistant material; Identification: Black line on bearing surface in area of joint
^ Do not interchange used bearing shells
^ Axial clearance, wear limit: 0.37 mm
^ Check radial clearance with Plastigage(R): Wear limit: 0.08 mm. Do not rotate crankshaft when checking radial clearance.
7- Cylinder block
8- Connecting rod bearing cap
^ Note installed position
9- Oil spray jet
^ For piston cooling
10- 25 Nm
^ Insert without sealant
11- Connecting rod bolt, 30 Nm plus an additional 1/4 turn (90°)
^ Replace
^ Oil threads and contact surface
^ Use old bolts to measure radial clearance