4-cyl. AUA engines
Disconnect spark plug connector -1- and release wires. Unscrew the spark plugs with a spark plug wrench 3122 V. Screw in new spark plugs with a spark plug wrench. Check the reliability of the fastening of the ignition wires and candle tips.
4-cyl. BBY engines and FSI BAD engines
Only for FBI engines
Detach line -1- from oil filler neck.
Remove the ignition coils from the mountings with puller -T10094-. Remove the ignition coil connectors with the ignition off. Unscrew the spark plugs with a spark plug wrench 3122 V. Screw in new spark plugs with a spark plug wrench. Place the ignition coils with connectors connected on the spark plugs. On FSI engines, install line -1- on oil filler neck. Pay attention to the position of the rubber grommet on the oil filler neck (leaks). Spark plugs in the cylinder head: 30 Nm.
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