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Home >> Audi >> 2007 >> RS4 Quattro Sedan (8EC) V8-4.2L (BNS) >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Coil >> Service and Repair
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Ignition Coil: Service and Repair






Ignition Coils

Special tools, testers and auxiliary items required

• Hose Clamps Up to 25 mm Dia. (3094)

• Ignition Coil Puller (T40039)

Removing

Cylinder bank 2 (left):

- Remove cover - 1 - in engine compartment (left side).





- Clamp off coolant hose - 2 - using (3094 ) and disconnect from coolant expansion tank.





- Seal the connection using a plug that fits.

- Remove coolant expansion tank - arrow -.

- Disconnect electrical wire to Engine Coolant Level (ECL) Warning Switch (F66) at bottom on expansion tank and set aside coolant expansion tank with coolant hose - 1 - connected.

- Remove oil dipstick - 1 - from guide tube.





- Remove the bolts - 2 - and - 3 -.

- Disconnect electrical harness connectors at ignition coils.

- Press electrical wiring harness to side.

Cylinder bank 1 (right):





- Remove the bolts - arrows -.

- Remove the air duct - 1 - and - 2 -.

- Remove the bolts - 1 - and - 2 -.





- Disconnect electrical harness connectors at ignition coils.

- Press electrical wiring harness to side.

Continued for both sides:

- Remove the ignition coils using the (T40039).





Installing

Installation is in reverse order.
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