11 12 106 Removing and installing right cylinder head (S65)

Necessary preliminary tasks: 

• Remove EXHAUST SYSTEM .
• Remove right EXHAUST MANIFOLD .
• Remove right CYLINDER HEAD COVER  .
• Remove right INLET CAMSHAFT  .
• Remove right EXHAUST CAMSHAFT  .
• Partially unfasten ENGINE WIRING HARNESS and lay to one side.
• Remove THROTTLE VALVES from cylinders 1 to 4.
• Remove THERMOSTAT HOUSING  .
• Remove rear water pipe from cylinder head.

Release screws (1).

Remove coolant fitting (2).

Installation: 

Replace seal.

Fig 1: Identifying Coolant Fitting And Screws

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Release screw (1).

Fig 2: Identifying Screw

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Remove bearing pin (1) with special tool 11 5 290.

Fig 3: Identifying Bearing Pin

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Release screws (1).

Fig 4: Identifying Screws

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Remove screw (1) with a magnet (2) from gearcase.

Fig 5: Identifying Screw On Magnet

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Release cylinder head bolt (1) with special tool 11 2 250.

Fig 6: Identifying Cylinder Head Bolt

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Release cylinder head bolts from outside to inside in sequence (10 to 1).

Fig 7: Right Cylinder Head Bolts Tightening/Loosening Sequence (S65)

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Installation: 

Fit new cylinder head screws.

Tighten down cylinder head bolts from inside to outside in sequence (1 to 10).

Tightening torque: 11 12 1AZ .

Fig 8: Right Cylinder Head Bolts Tightening/Loosening Sequence (S65)

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Insert bolts (1).

Fig 9: Identifying Bolts

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Assemble engine.