11 21 500 Replacing crankshaft (M62)
Engine Removed
Unscrew oil sump. See OIL SUMP .
Remove oil pump. See OIL PUMP WITH FILTER .
Remove timing case cover at bottom,
refer to 11 14 110 REMOVING AND INSTALLING TIMING CASE COVER, BOTTOM (M62 VANOS FROM 9/98) .
Remove piston,
refer to 11 25 530 REMOVING AND INSTALLING/REPLACING ALL PISTONS (M62) .
Remove flywheel,
refer to 11 22 500 REMOVING AND INSTALLING/REPLACING FLYWHEEL (M62/S62) or 11 22 510 REMOVING AND INSTALLING/REPLACING FLYWHEEL (M62) .
Remove rear end cover. This task is described in the section Replacing crankshaft radial seal,
refer to 11 14 151 REPLACING CRANKSHAFT RADIAL SEAL (M62/S62) .
Unfasten taper screw mount on main bearing. (Collar screws and spacer screws.)
Remove screws securing main bearing caps.
Remove main bearing caps 1 to 5.
Lever out crankshaft.
refer to CRANKSHAFT AND BEARINGS in Technical Data.
If necessary, remove sprocket wheel from crankshaft.
Fit special tool 11 2 383 to crankshaft.
Remove sprocket wheel with special tool 11 2 001 in conjunction with special tool 11 2 005 and special tool 11 2 004.
Installation:
Shrink-fit sprocket wheel to crankshaft.
Check wedge for correct position.
Heat sprocket wheel with a hot-air blower or on a heating plate to Max. 150°C.
Replace main crankshaft bearing shells,
refer to 11 21 531 REPLACING MAIN CRANKSHAFT BEARING SHELL (M62) .
Replace conrod bearing shells,
refer to 11 24 571 REPLACING ALL CONROD BEARINGS (M62) .
Replace deep-groove ball bearings in crankshaft,
refer to 11 21 571 REPLACING GROOVED BALL BEARING IN CRANKSHAFT (M62/S62) .