11 33 516 Removing and installing/replacing rocker arms on left inlet side (N62 from 9/03): Installation

WARNING: This page is about a different variant/trim than selected.

Installation of rocker arms is described separately from removal.

Clean all bearings and cams of inlet camshaft and lubricate with engine oil.

Ends of compression rings (1) point upwards.

Make sure compression rings (1) are engaged at ends.

Fig 1: Engaging Compression Rings

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Install rocker arms (1) on inlet side.

IMPORTANT: Rocker arms (1) slip slightly when bearing bracket is fitted.
Make sure rocker arms (1) are secured as illustrated on hydraulic valve clearance compensating elements and on valves.

Align rocker arms (1) straight.

Fig 2: Installing Rocker Arms On Inlet Side

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Remove special tool 11 9 473.

Remove bearing bracket (1) from special tool 11 9 470.

Fig 3: Removing Bearing Bracket From Special Tool 11 9 470

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IMPORTANT: Do not tilt bearing bracket (1).

Lower bearing bracket (1) from above and carefully bring into contact with cylinder head.

Insert nuts and tighten by hand without play.

IMPORTANT: Make sure none of the intermediate levers or rocker arms have slipped out.

Tighten down nuts from inside to outside.

Fig 4: Tightening Bearing Bracket Nuts

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Tightening torque, see ENGINE - TIGHTENING TORQUES .

IMPORTANT: Do not mix up the camshaft bearing covers of cylinders 1 to 4 and 5 to 8.

Fit bearing cap R E1 in such a way that marking is legible from inlet side.

Install nuts and tighten down.

Tightening torque, see ENGINE - TIGHTENING TORQUES .

Fig 5: Fitting Bearing Cap R E1

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Rotate inlet camshaft in direction of rotation until cam on 5th cylinder points upwards at an angle as shown in illustration.

NOTE: The marking (1) on the hexagon drive of the inlet camshaft faces upwards.

Fig 6: Rotating Inlet Camshaft

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Install inlet and exhaust adjustment unit on left side.

Install spark plugs on cylinder bank 5 to 8.

Install left cylinder head cover .

Install ignition coils on cylinder bank 5 to 8. See IGNITION COIL .

Install servomotor for left eccentric shaft.

Assemble engine.