Knock Sensor, Removing And Installing: Removing

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2017 Audi S5, 2016 Audi S5, 2016 Audi S4, 2015 Audi S5, and 2015 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

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

-- Remove the left and right intake manifold lower sections. Refer to INTAKE MANIFOLD LOWER SECTION WITH FUEL RAIL, REMOVING AND INSTALLING .

-- Remove the connector -1- for the Knock Sensor 1 -G61- from the right bracket and disconnect it.

Fig 1: Disconnect Knock Sensor (KS) 1 -G61- Electrical Harness Connector -1-

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore items -2 and arrow-.

-- Remove the connector -2- for the Knock Sensor 2 -G66- from the left bracket and disconnect it.

Fig 2: Electrical Connectors On Left Rear Of Engine

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore items -1 and 3- and -arrows-.

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

Fig 3: Identifying Bolts For Knock Sensors (KS) 1 And 2

Courtesy of AUDI OF AMERICA, LLC