Spark Plug: Service and Repair
03 - Service Procedures
Spark Plugs, Removing and Installing
Spark Plugs, 2.0L TSI/TFSI, Removing and Installing
Spark Plugs, 6-Cylinder FSI, Removing and Installing
Special tools, testers and auxiliary items required
• Spark plug wrench (3122 B)
• Torque Wrench (V.A.G 1331)
• Puller (T40039)
• Puller (T10112)
• Puller (T10094 A)
• Removal/installation tool (T10118)
• Puller (T10095 A)
2.0L TSI/TFSI
Removing
Perform the following work procedure:
• To pull off spark plugs, place ignition coil puller (T40039) on topmost thick rib - arrow - of ignition coils with power output stages.
• If lower ribs are used, these can be damaged
- Remove engine covers.
Spark plugs are located under ignition coils with power output stages - 2 -.
- Remove both bolts - 1 -.
• Note installation position of ignition coils with power output stages!
- Pull all ignition coils approximately 30 mm out of cylinder head in direction of - arrow - using ignition coil puller (T40039).
- Push connector in direction of ignition coils with power output stages, press catch down by hand and disconnect connectors - arrows -.
- Remove spark plugs using spark plug wrench (3122 B).
• Review plug designation and tightening torque.
• Observe waste disposal regulations!
Installing
- Install new spark plugs using spark plug wrench (3122 B).
- Guide ignition coils with power output stages into cylinder head.
- Align ignition coils with power output stages into designated recesses of cylinder head cover.
- Connect all connectors to ignition coils - arrows -.
- Press ignition coils with power output stages onto spark plugs by hand until stop. They must engage audibly.
- Secure wiring using bolts - 1 -.
- Install engine cover.
6-Cylinder FSI
Perform the following work procedure:
- Carefully loosen connector retainer with help of assembly tool (T10118) and remove connector.
- Then place Puller (T10095 A) on ignition coils with power output stages and remove them.
- Remove spark plugs using spark plug wrench (3122 B).
- Install new spark plugs using spark plug wrench (3122 B).
• Utilize plug designation and tightening torque data.
• Observe waste disposal regulations!
- Press ignition coils with power output stages onto spark plugs.
- Slide connector onto ignition coils with power output stages until it engages audibly.