Camshaft, Removing And Installing: Removing

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

NOTE:

The sealing surfaces of the lower cylinder head cover and on the upper cylinder head must not be reworked.

The camshaft bearings are integrated in the cylinder head or cylinder head cover. Before removing the cylinder head cover, release the tension on the camshaft timing chain.

When installing, secure all cable ties back to same positions.

Before removing the camshafts, the engine support with the engine mount must be temporally installed, to that the engine support bridge or does not interfere with the removal of the camshafts.

-- Remove the camshaft timing chain. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .

-- Reinstall the engine support and engine mount temporary. Tighten the screws only by hand.

-- Remove the engine support bridge.

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Remove the nuts -arrows-.

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-- Disconnect the connectors -1, 2, 3 and 4-. Open the bracket for the wiring harness.

-- Unclip the fuel hose -1-, release the wiring duct -arrows- and remove upward from the bracket.

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-- Disconnect the connectors -1, 2 and 3-.

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-- Move the wiring harness toward the front.

-- Remove the ignition coils. Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .

-- Remove the bolts -1-.

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-- Remove the coolant hoses -arrows- and pivot the coolant pipe -2- to the side.

-- Remove the high pressure pump. Refer to HIGH PRESSURE PUMP, REMOVING AND INSTALLING .

-- Remove the vacuum pump. Refer to VACUUM PUMP, REMOVING AND INSTALLING .

-- Unclip the hose -3-.

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-- Remove the bolts -1- and remove the engine lifting eye -2-.

-- Remove the oil separator. Refer to OIL SEPARATOR, REMOVING AND INSTALLING .

-- Remove the EVAP Canister Purge Regulator Valve 1 -N80- from the bracket.

-- Remove the bolts -arrows-.

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-- Open the hose clamp -2- and remove the coolant hose.

-- Move the coolant pipe -1- to the side.

-- Install the : T10531/3 . In the "TDC point" the flat area -1- points upward. Install the : T10531/4 . Turn the crankshaft with a 32 mm open end wrench counter-clockwise out of "TDC".

Fig 1: Identifying Assembly Tool - Turning Over Tool T10531/3

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-- Turn the intake camshaft in the direction of the -arrow 1- using the : T40266 . Slide the : T40271/2 out of the chain sprocket splines -2- and bring the camshaft into its resting position.

Fig 2: Identifying Adapter T40266 And Intake Camshaft

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-- Remove the cylinder head cover bolts in -1 to 6- sequence.

Fig 3: Cylinder Head Cover Bolt Loosening Sequence

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-- Remove the cylinder head cover.

-- Remove the camshaft and cover the open engine components.