REPLACING ALL CONROD BEARINGS (N62/N62TU)
Special tools required:
(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).
Fig. 155: Identifying Letter Crankshaft Construction Stage
Install new conrod bearing shells.
Insert one red and one blue bearing shell for each conrod.
Install piston.
Fig. 156: Installing Conrod Bearing Shells
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.
Fig. 157: Locating Connecting-Rod Bearing Clearance
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 or special tool 11 2 110.
Tightening torque 11 24 1AZ.
Fig. 158: Identifying Special Tool (00 9 120)
Remove bearing cap and read off bearing play at width of flattened plastic thread with assistance of measurement scale.
Conrod bearing clearance.
Fig. 159: Locating Conrod Bearing Clearance
Tighten down conrod bolts with special tool 00 9 120 or special tool 11 2 110.
Tightening torque 11 24 1AZ.
Fig. 160: Identifying Special Tool (00 9 120)