Connecting Rod Bearing: Service and Repair

11 24 571 - Replacing all conrod bearings (N62/N62TU)





Special tools required:
- 00 2 590
- 00 9 120 00 9 120 Torque Angle Measuring Dial
- 11 2 110





(piston removed)

Important!
Note grinding stages on crankshaft





The letter (1) denotes the crankshaft construction stage.

The numbers (2) denote the bearing shell classification for the relevant bearing position from 1 to 5 (main bearing cap).





Install new conrod bearing shells.

Insert one red and one blue bearing shell for each conrod.

Install piston.





Check connecting-rod bearing clearance:

Piston in BDC position.

Fit special tool 00 2 590 (Plastigage Type PG 1) to the oil-free crankshaft.

Fit bearing caps so that pair numbers match up.





Important!
Do not distort conrods or crankshaft.

Use conrod bolts to check conrod bearing clearance.

Tighten down conrod bolts with special tool 00 9 120 00 9 120 Torque Angle Measuring Dial or special tool 11 2 110.

Tightening torque 11 24 1AZ 11 24 Connecting Rods and Bearings.





Remove bearing cap and read off bearing play at width of flattened plastic thread with assistance of measurement scale.

Conrod bearing clearance.

- Remove plastic thread.
- Lubricate crankshaft and bearing shells.
- Install new conrod bolts.





Tighten down conrod bolts with special tool 00 9 120 00 9 120 Torque Angle Measuring Dial or special tool 11 2 110.

Tightening torque 11 24 1AZ 11 24 Connecting Rods and Bearings.