Knock Sensor, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi A8 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the plenum chamber bulkhead, refer to BULKHEAD .

Knock Sensor 1 -G61- Cylinder Bank 1 (right):

Fig 1: Identifying Knock Sensor 1 -G61- Cylinder Bank 1 (right)

Courtesy of AUDI OF AMERICA, LLC

-- Remove the cylinder "2" FSI fuel injector, refer to FUEL INJECTORS, REMOVING AND INSTALLING, FSI FUEL INJECTION .

-- Remove the connector -arrow- from the bracket, disconnect it, and free up the wire.

Knock Sensor 2 -G66- Cylinder Bank 2 (left):

Fig 2: Identifying Knock Sensor 2 -G66- Cylinder Bank 2 (left)

Courtesy of AUDI OF AMERICA, LLC

-- Remove the cylinder "5" FSI fuel injector, refer to FUEL INJECTORS, REMOVING AND INSTALLING, FSI FUEL INJECTION .

-- Remove the connector -arrow- from the bracket, disconnect it, and free up the wire.

Continued for Both Sides:

Fig 3: Identifying Bolt -1- For Knock Sensor 1 -G61- Or The Bolt -2- For Knock Sensor 2 -G66-

Courtesy of AUDI OF AMERICA, LLC

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