Rear oil seal and sealing flange (left cylinder head): Notes

NOTE: Rear sealing flange and oil seal on left-hand cylinder head must be replaced together as follows:

Remove bolts -arrows- and remove engine cover panels -A and C-.

Fig 1: Removing Engine Cover Panels
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Remove air duct -arrows-.

Fig 2: Removing Air Duct
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Remove coolant reservoir -arrows- and move it clear to the side.
NOTE: Leave coolant hoses connected.
Disconnect electrical connector from coolant level monitor.
Move wiring harness clear at bulkhead.

Fig 3: Removing Coolant Reservoir
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Unbolt bracket -arrows- for plug connectors on bulkhead and move clear to side.
Unbolt Hall sensor housing (10 Nm).
Remove bolt securing Hall sensor rotor (20 Nm) and carefully pry off rotor using a screwdriver.

Fig 4: Removing Connectors On Bulkhead
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Remove cover panel from cylinder head cover (cylinder bank 4-6).
Release hose clamp -arrow-. See Fig 5.
Remove upper section of intake line -1-.
Disconnect hose -2-.
Plug lower section of intake line.

Fig 5: Removing Hose Clamp And Upper Section Of Intake Hose
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Disconnect hose -1-(arrow).

Fig 6: Disconnecting Hose
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Remove bolt securing toothed belt guard from cylinder head cover.
Disconnect plug connectors off ignition coils.
Disconnect crankcase breather off cylinder head cover.
Remove cylinder head cover.
Remove double bearing cap -arrows-.
Take out oil seal and sealing flange.
Clean contact surfaces and sealing surfaces of double bearing cap.

Fig 7: Removing Double Bearing Cap
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Apply a thin coating of sealant, Part No. 454 300 A2, to shaded areas on double bearing cap (see illustration), install bearing cap and tighten bolts to 10 Nm.

Fig 8: Applying Thin Coating Of Sealant To Shaded Areas On Double Bearing Cap
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Install guide sleeve (from tool set 3241) onto camshaft.

Fig 9: Installing Guide Sleeve 3241/1 Onto Camshaft

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Press in oil seal until flush using press sleeve 3241/1 and bolt 3241/3.
Carefully knock in sealing flange against stop using 3202 and a plastic hammer.