11 37 012 Removing and Installing/Replacing Left Intermediate Lever (N63O1)

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Special Tools Required:

2 249 160 .
2 249 166 .

Cylinder Bank 2

(Cylinder Bank 5 To 8)

Necessary Preliminary Tasks:

Remove The Engine with FRONT AXLE .

Remove LEFT CYLINDER HEAD COVER .

Remove The Drive Belt for The 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 Intermediate Shaft Adjusting Screw

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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 Horizontally 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.

Preload Throttle Return Spring with Special Tool 2 249 160 .

Fig 3: Fitting Special Tool (2 249 160) To Cylinder Head

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Loosen The Collar Bolt (2).

Release Retaining Screw (3).

Remove Gate (1).

Fig 4: Identifying Collar Bolt, Gate, 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 Arms

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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, and Retaining Screw

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Position Fixture (1) On Cylinder Head.

Insert Retaining Screw (3) and Loosen By 45°.

Loosen The Collar Bolt (2).

Fig 8: Identifying Collar Bolt, Gate, and Retaining Screw

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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 9: Identifying Collar Bolt, Gate, and Retaining Screw

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Using Special Tool 2 249 166 , Press Gate Upward In Direction of Arrow To The Cylinder Head.

Fig 10: Pressing Gate Using Special Tool (2 249 166) 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 11: Identifying Collar Bolt, Gate, and Retaining Screw

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Preload Special Tool 2 249 160 .

Pull Up Release Mechanism (1).

Loosen Lock In Direction of Arrow.

Remove Special Tool 2 249 160 .

Fig 12: Removing Special Tool (2 249 160) and Clamping In Vice

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Make Sure Throttle Return Spring On Roller Cam Follower (1) Is In The Correct Installation Position.

Fig 13: Checking Installation Position of Return Spring On Roller Cam Follower

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Installation Note:

Assemble Engine.