Ignition System Component Overview

Fig 1: Identifying Assembly Overview: Ignition System Component

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Knock Sensor 1 -G61-
- On the front of the cylinder head under the intake manifold.
- Contacts are gold plated.
- For electrical connectors, refer to Fig 4.
- Removing and installing, refer to Knock Sensor 1 -G61- .
Bolt
- 22 Nm
- Tightening specification influences the function of the knock sensor.
Ignition Coil with Power Output Stage
- Ignition coil 1 with power output stage -N70-.
- Ignition coil 2 with power output stage -N127-.
- Ignition coil 3 with power output stage -N291-.
- Ignition coil 4 with power output stage -N292-.
- Removing and installing, refer to IGNITION COIL WITH POWER OUTPUT STAGE .
Spark Plug --
- 25 Nm
- If the spark plug is replaced, lubricate the ignition coil with power output stage. Refer to INSTALLING, IGNITION COILS WITH POWER OUTPUT STAGES .
- Note the change intervals.
- Type and electrode gap, refer to SPARK PLUG TECHNICAL DATA .
- Remove and install using the spark plug removal tool 3122 B.
O-ring
- No replacement part available.
- Replace if damaged.
Engine Speed Sensor -G28-
- On the front lower left side of the cylinder block, next to the oil separator. Refer to Fig 3.
- Removing and installing, refer to Engine Speed Sensor -G28- .
Bolt
- 9 Nm
Camshaft Position Sensor -G40-
- Bolted on the front of the cylinder head cover. Refer to Fig 2.
- For electrical connectors, refer to Fig 4.

Fig 2: Identifying Camshaft Position Sensor G40 Electrical Connector

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Fig 3: Identifying Engine Speed (RPM) Sensor G28 Connector -1-

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Fig 4: Identifying Electrical Connector -2- To Knock Sensor 1

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.