Removing And Installing

Removing Cylinder Bank 1 (Right) 

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

-- Free up the fuel line -4- and the line -1- from the EVAP canister on the air filter housing and air guide pipe.

Fig 1: Free Up Fuel Line

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-- Remove the vacuum hose -2-.

-- Remove the air guide pipe by loosening the hose clamp -3- and opening the clamps -arrows-.

-- Remove the air filter housing lower section. Refer to LOWER AIR FILTER HOUSING .

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

Fig 2: Camshaft Position Sensor And Exhaust Camshaft Control Valve Cylinder Bank 1 (Right)

Courtesy of AUDI OF AMERICA, LLC

-- 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 3: Identifying 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 bolt -arrow- from the coolant reservoir.

Fig 4: Identifying Coolant Hoses At Coolant Expansion Tank

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-- Disconnect the connector for the Engine Coolant Level Warning Switch -F66- on the bottom of the coolant reservoir and move the reservoir with the coolant hoses still connected -1- and -2- to the side.

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

Fig 5: CMP Sensor And Exhaust Camshaft Control Valve Cylinder Bank 2 (Left)

Courtesy of AUDI OF AMERICA, LLC

-- 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 6: 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 .