Knock Sensor, Removing And Installing: Removing

WARNING: This page is about a different car, the 2010 Audi A5, 2009 Audi A5, and 2008 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Fuel system is under high pressure! Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure. Refer to RELEASING PRESSURE IN HIGH PRESSURE AREA .
Then wrap a clean cloth around the connection and relieve residual pressure by carefully loosening the connection.
Always follow the instructions when disconnecting the battery. Refer to BATTERY .

Remove the right cylinder bank knock sensor.

Courtesy of AUDI OF AMERICA, LLC

4 - Knock Sensor 1 -G61-

NOTE:

Remove fuel injector 2 to reach the bolt for the Knock Sensor 1 -G61- -4-.

-- Remove the intake manifold. Refer to INTAKE MANIFOLD UPPER SECTION, REMOVING AND INSTALLING .

-- Remove the lower right intake manifold section with the fuel rail. Refer to INTAKE MANIFOLD LOWER SECTION WITH FUEL RAIL, REMOVING AND INSTALLING .

Remove the left cylinder bank knock sensor.

Courtesy of AUDI OF AMERICA, LLC

5 - Knock Sensor 2 -G66-

NOTE:

Remove fuel injector 5 to reach the bolt for the Knock Sensor 2 -G66- -5-.

-- Remove the intake manifold. Refer to INTAKE MANIFOLD UPPER SECTION, REMOVING AND INSTALLING .

-- Remove the each intake manifold lower section with the fuel rail. Refer to INTAKE MANIFOLD LOWER SECTION WITH FUEL RAIL, REMOVING AND INSTALLING .