11 37 012 Removing and installing/replacing left intermediate lever (N62 from 9/03): Installation
Removal of intermediate levers is described separately from installation.
Clean all bearings and cams of inlet camshaft and lubricate with engine oil.
Only intermediate levers of the same tolerance class may be fitted in a single cylinder head.
The tolerance classes are designated as illustrated with the numbers from 1 to 5.
Used intermediate levers (2) may only be reused in the same position.
Lubricate all sliding surfaces on intermediate lever (2) with engine oil.
Raise torsion spring (1) with special tool 11 9 480.
Detach special tool 119 490.
Hold torsion spring (1) with special tool 11 9 480.
Install intermediate lever (2) from above.
Insert end of torsion spring (1) into guide on intermediate lever (2).
Raise second end of torsion spring with special tool 11 9 480.
Detach special tool 119 490.
Hold torsion spring (1) with special tool 11 9 480.
Install intermediate lever (2) from above.
Insert end of torsion spring (1) into guide on intermediate lever (2).
Remove special tool 119 474.
Remove special tools 11 9 472 and special tools 11 9 475.
Ends of compression rings (1) point upwards.
Make sure compression rings (1) are engaged at ends.
Make sure rocker arms (1) are secured as illustrated on hydraulic valve clearance compensating elements and on valves.
Align rocker arms (1) straight.
Remove special tool 11 9 473.
Remove bearing bracket (1) from special tool 11 9 470.
Lower bearing bracket (1) from above and carefully bring into contact with cylinder head.
Insert nuts and tighten by hand without play.
Tighten down nuts from inside to outside.
Tightening torque 11 31 1AZ. Refer to ENGINE - TIGHTENING TORQUES .
Fit bearing cap R E1 in such a way that marking is legible from inlet side.
Install nuts and tighten down.
Tightening torque 11 31 1AZ. Refer to ENGINE - TIGHTENING TORQUES .
Rotate inlet camshaft in direction of rotation until cam on 5th cylinder points upwards at an angle as shown in illustration.
Install inlet and exhaust adjustment unit on left side. Refer to 11 36 047 Removing and installing/replacing inlet and exhaust adjustment units on left side (N62) .
Install spark plugs on cylinder bank 5 to 8.
Install left cylinder head cover. Refer to 11 12 005 Removing and installing / sealing left cylinder head cover (N62 / N62TU) .
Install ignition coils on cylinder bank 5 to 8.
Install servomotor for left eccentric shaft. Refer to 11 37 022 Removing and installing/replacing servomotor for left eccentric shaft (N62) .
Assemble engine.