Removing And Installing

Removing Cylinder Bank 1 (Right) 

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING .

-- Remove the air guide -arrow-.

Fig 1: Identifying Air Duct

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-- Free up the fuel lines -1- and -2- to the EVAP canister on the air guide pipe.

Fig 2: Free Up Fuel Hose

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-- Remove the vacuum hose -3-.

-- Remove the air guide pipe by loosening the hose clamp -4- and opening the clamps -arrows-.

-- Disconnect the vacuum line -1- and remove the air filter housing.

Fig 3: Disconnect Vacuum Line

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-- Disconnect the connector -2- from the Intake Air Switch-Over Valve -N335- (depending on the version).

-- Remove the bolts -arrows- from the connector strip.

Fig 4: Identifying Bolts On Right Cylinder Head

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-- Disconnect the connector -5- from the Camshaft Position Sensor 3 -G300-.

Fig 5: Disconnect Electrical Connector On Camshaft Position

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-- Press the releases and disconnect the connectors -1- from the Camshaft Adjustment Valve 1 -N205- and Exhaust Camshaft Adjustment Valve 1 -N318-.

-- Push the connector toward the ignition coil, open the lock by hand and connect the connector to the ignition coils.

-- Move the wiring harness slightly down.

Removing Cylinder Bank 2 (Left) 

-- Remove the bolts -arrows- from the coolant reservoir.

Fig 6: Identifying Coolant Hose And Coolant Reservoir

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-- Disconnect the connector from the Engine Coolant Level Warning Switch -F66- at the bottom of the coolant reservoir and move the coolant reservoir to the side with the coolant hoses -1 through 3- still connected.

-- Remove the bolts -arrows- from the connector strip.

Fig 7: Identifying Bolts On Left Cylinder Head

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-- Disconnect the connector -1- from the Camshaft Position Sensor 2 -G163- and connector -4- from the Camshaft Position Sensor 4 -G301-.

-- Remove the screw -5- from the ground wire.

-- Push the connector toward the ignition coil, open the lock by hand and connect the connector to the ignition coils.

-- Move the wiring harness slightly down.

Continuation for Both Sides 

-- Position the Ignition Coil Puller T40039 only on the topmost thick rib -arrow- and pull the ignition coils one after the other off the spark plugs.

Fig 8: Identifying Ignition Coil Puller - T40039-

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-- Remove the spark plugs with Spark Plug Removal Tool VAS 3122B.

Installing 

-- Use the Spark Plug Removal Tool VAS 3122B to tighten the new ignition coils to specification.

-- Lubricate the ignition coils. Refer to IGNITION COIL, LUBRICATING .

-- Align all the ignition coils one after the other and insert them loosely into the spark plug shaft.

-- Press the ignition coils evenly onto the spark plugs by hand. Do not hit them.

-- Connect the connector to the ignition coil until it clicks into place.

-- Tighten the screws to the tightening specification.

-- Installation is the reverse of removal.

-- Install engine cover. Refer to ENGINE COVER, REMOVING .