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Home >> Volkswagen >> 2012 >> Golf (5K1) L5-2.5L (CBUA) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Cylinder Block Assembly >> Service and Repair >> Engine Overview, Rear
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Engine Overview, Rear






Engine Overview, Rear






1 Cylinder Block

2 Locking Bolt

30 Nm

With a rolled seal.

The bore in the cylinder block is used for locking the crankshaft using the locking pin (T40069).

3 Knock Sensor 1 (G61)

Note the installed position: The wire connection points downward vertically.

4 Bolt

20 Nm

Tightening specification affects the function of the knock sensor.

5 Bolt

10 Nm

6 Cover

7 Plug

8 Wire Clip

Clipped to the cover plate.

9 Knock Sensor 2 (G66)

Note the installed position: The wire connection points 45° toward the right on the outside.

10 Wire Bracket

Bolted to the Secondary Air Injection (AIR) valve.

11 Connector

Green for knock sensor 1.

Installed position, refer to => [ Installed Position of the Knock Sensor Harness Connectors ].

Contacts are gold plated.

12 Connector

Gray for knock sensor 2.

Installed position, refer to => [ Installed Position of the Knock Sensor Harness Connectors ].

Contacts are gold plated.

Installed Position of the Knock Sensor Harness Connectors





1. Green for knock sensor 1

2. Gray for knock sensor 2