5510C42 KNOCK SENSOR - R+R - Alfa - 156 - eLearn

3238403 - 5510C42 knock sensor - r+r

) Ensure that the ignition key is in the OFF position, then disconnect the negative battery terminal (-).

	Name	Connector
-	Battery	A1B

Proceed with removal - 7055B54 under-engine guard - r r . Proceed with removal - 1076B18 rigid section of exhaust pipe between catalytic converter and silencer - r + r . 1. Disconnect the electrical connection for the knock sensor.

	Name	Connector
1	Detonation sensor - 1	K50

2. Undo the bolt (2a) and remove the knock sensor (2b).

Refitting ( Removing

) 1. Place the detonation sensor (1a) in its seating and secure it tightening the bolt (1b) to the specified torque.

	Fastening	Component	Ø	Value(daNm)
1b	-	KNOCK SENSOR	M8	(Engine crankcase side) 2.3 ÷ 2.8

2. Connect the electrical connection for the knock sensor.

Proceed with refitting - 1076B18 rigid section of exhaust pipe between catalytic converter and silencer - r + r . Proceed with refitting - 7055B54 under-engine guard - r r . Connect the negative (-) battery terminal.Remove the car from the ramps.