11 37 014 Removing and installing/replacing intermediate lever on the right (N63O1)

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Special tools required:

2 249 160
2 249 166
Cylinder bank 1

(cylinder bank 1 to 4)

Necessary preliminary tasks:

Remove the engine with front axle.

Remove right CYLINDER HEAD COVER .

Remove drive belt for AIR CONDITIONING COMPRESSOR .

Remove tensioning device for DRIVE BELT .

IMPORTANT: Set intermediate shaft to zero lift.
Turn the intake camshaft to the point where a small amount of tension arises at the intermediate lever.

Adjust intermediate shaft using adjusting screw (1).

Fig 1: Identifying Adjustment Screw Of Intermediate Shaft

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Turn engine at central bolt as needed for removing the intermediate shaft.

Position intake camshaft (2) of the intermediate lever to be mounted in a horizontal position (see arrow in illustration).

Set intermediate shaft (1) to zero lift (see arrow in illustration).

Fig 2: Positioning Intake Camshaft And Setting Intermediate Shaft To Zero Lift

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NOTE: Throttle return spring and special tool do not need to be removed.

Fit special tool 2 249 160 on cylinder head.

Pretension throttle return spring with special tool 2 249 160 .

Fig 3: Fitting Special Tool 2 249 160 Onto Cylinder Head

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Loosen the collar bolt (2).

Release retaining screw (3).

Remove gate (1).

Fig 4: Identifying Collar Bolt, Gate, Fixture And Retaining Screw

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Remove roller cam follower (1) toward the top using a magnet.

Fig 5: Identifying Roller Cam Follower

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Installation note:

Make sure roller cam follower is in correct installation position.

Fig 6: Identifying Rocker Arm

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Position gate (1) on cylinder head.

Insert retaining screw (3) and loosen by 45°.

Insert collar bolt (2) and loosen by 45°.

Fig 7: Identifying Collar Bolt, Gate, Fixture And Retaining Screw

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Press on gate with special tool 2 249 166 in direction of arrow towards top at the cylinder head.

Fig 8: Pressing-On Gate Toward Top At Cylinder Head

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Attach retaining screw (3).

Tightening torque: 11 37 2AZ .

Attach collar bolt (2).

Tightening torque: 11 37 2AZ .

Fig 9: Identifying Collar Bolt, Gate, Fixture And Retaining Screw

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Pretension special tool 2 249 160 .

Pull up release mechanism (1).

Loosen lock in direction of arrow.

Remove special tool 2 249 160 .

Fig 10: Releasing Screw Of Torsion Spring

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Make sure throttle return spring on roller cam follower (1) is in the correct installation position.

Fig 11: Checking Installation Position Of Throttle Return Spring On Roller Cam Follower

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Installation note:

Assemble engine.