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Knock sensor, rear cylinder bank (516R)

Knock sensor, rear cylinder bank (516R)

To remove


1. Raise the car.

2. Remove the rear catalytic converter .

3. Remove the bracket between the front exhaust pipe and the engine using 32 025 061 Crow foot spanner .


4. Undo the cable fixing from the heat shield.


5. Remove the heat shield.

6. Unplug the knock sensor connector.

7. Remove the knock sensor.


To fit


1. Fit the knock sensor at the angle illustrated and tighten it to the correct torque.

Tightening torque 23 Nm (17 lbf ft)


2. Plug in the connector.

3. Fit the heat shield.

4. Secure the cable to the heat shield.

5. Fit the bracket to the engine and front exhaust pipe.

Tightening torque to engine: 23 Nm (17 lbf ft)

Tightening torque to exhaust pipe: 40 Nm (30 lbf ft)

Tightening torque to heat shield:

M6 = 9 Nm (6 lbf ft)

M10 = 38 Nm (28 lbf ft)


6. Fit rear catalytic converter using a new gasket.

7. Lower the car.