Connecting Rod Bearing: Service and Repair

Removal and Installation

(piston removed)

Caution: Note grinding stages of crankshaft, refer to Engine, Specifications.





Install new conrod bearing shells.
Insert one blue (1) and one red (2) bearing shell for each conrod.
Install pistons.





Check connecting-rod bearing clearance:
Piston in BDC position.
Fit special tool 00 2 590 (Plastigage Type PG 1) to the oil-free crankshaft.
Place bearing caps in position, making sure that matching numbers are paired.





Caution: Do not distort conrods or crankshaft.
Use the old connecting-rod bolts to check connecting-rod clearance.
Tighten down conrod bolts with special tool 00 9 120. refer to Engine, Specifications.





Remove bearing cover and read off bearing clearance across width of pinched plastic thread with the help of the measuring scale.
Conrod bearing clearance, refer to Engine, Specifications.
- Remove plastic thread.
- Lubricate crankshaft and bearing shells.
- Insert new conrod bolts and tighten down.
Tightening Torque, refer to Engine, Specifications.