11 24 571 Replacing all conrod bearings (M62)
Pistons Removed
refer to CRANKSHAFT AND BEARINGS in Technical Data.
Install new conrod bearing shells.
Insert one red and one blue bearing shell for each conrod.
Install pistons,
refer to 11 25 530 REMOVING AND INSTALLING/REPLACING ALL PISTONS (M62) .
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.
Use the old connecting-rod bolts to check connecting-rod clearance.
Tighten down conrod screws with special tool 00 9 120 or special tool 112 110, respectively.
Tightening Torque,
refer to 11 24 1AZ in ENGINE - TIGHTENING TORQUES - X5 4.6L .
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 CONNECTING RODS AND BEARINGS in Technical Data.
- Remove plastic thread.
- Lubricate crankshaft and bearing shells.
- Insert new conrod bolts and tighten down.
Tightening Torque,
refer to 11 24 1AZ in ENGINE - TIGHTENING TORQUES - X5 4.6L .