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Knock Sensor, Removing And Installing: Removing

-- Remove the supercharger, refer to SUPERCHARGER, REMOVING AND INSTALLING .

-- Remove the lower intake manifold section, refer to INTAKE MANIFOLD LOWER SECTION WITH FUEL RAIL, REMOVING AND INSTALLING .

-- Remove the connector -3- on cylinder bank 1 from the retainer.

Fig 1: Electrical Connectors On Right Rear of Engine
GWWA15-10927Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2- for Knock Sensor 1 -G61- from the bracket and disconnect it.

NOTE:

Ignore item -1-.

-- Remove the connector -2- on cylinder bank 2 for Knock Sensor 2 -G66- and disconnect it.

Fig 2: Electrical Connectors On Left Rear Of Engine
GWWA15-10926Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore items -1 and 3-.

-- Remove the screw -1- for Knock Sensor 1 -G61- or the bolt -2- for the Knock Sensor 2 -G66- and then remove the knock sensor.

Fig 3: Identifying Bolt -1- For KS 1 And Bolt -2- For KS 2
GWWA28-10003Courtesy of AUDI OF AMERICA, LLC