Ignition Coils, Removing And Installing

Cylinder 1 Ignition Coil, Removing

-- Loosen the hose clamps -arrows- and remove the air duct pipe -1-.

Courtesy of AUDI

Cylinder 2 and 3 Ignition Coils, Removing

Courtesy of AUDI

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

-- Disconnect the heated oxygen sensor connectors -1 and 2- and free up the wires.

-- Disconnect the connectors:

Courtesy of AUDI

1 -  For Camshaft Adjustment Valve 1 -N205-

3 -  For the ignition coils

5 -  For the Camshaft Position Sensor -G40-

-- Remove the bolts -4- and free up the ground wire.

-- Remove the wiring duct -2- from the ball pin and push to the side.

Cylinder 4, 5 and 6 Ignition Coils, Removing:

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

-- Remove the Engine Control Module -J623- from the bracket and push it slightly to the side. Refer to Engine Control Module -J623-, REMOVING AND INSTALLING .

-- Vehicles with 2.9L engine and particulate filter: remove the connector -1- for the Exhaust Gas Temperature Sensor 3 Bank 2 -G497- from the bracket, disconnect it and free up the wire.

Courtesy of AUDI

-- Release the catch in direction of -arrow- and remove the wiring duct -1- from the ball pin and push to the side. If necessary, free up the wiring harness.

Courtesy of AUDI

-- Disconnect the connectors -2-.

All additional procedures are described. Refer to IGNITION COILS, REMOVING AND INSTALLING .

Installing

Additional procedures:

-- Install the Engine Control Module -J623-. Refer to Engine Control Module -J623-, REMOVING AND INSTALLING .

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

-- Install the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

Tightening Specifications

• Refer to OVERVIEW - CHARGE AIR HOSE CONNECTIONS .
• Ground Wires. Refer to the appropriate Wiring Diagram.