Knock Sensor: Removing
WARNING: This page is about a different car, the 2010 Volkswagen Routan and 2009 Volkswagen Routan. However, it is still accessible from the selected car via links, so may be relevant.
-- Disconnect the negative battery cable. Refer to BATTERY, DISCONNECTING AND CONNECTING .
-- Remove the knock sensor cover (4).
-- Disconnect the wiring harness electrical connector (1) from the knock sensor (2).
-- Remove the knock sensor bolt (3) and sensor (2) from the engine.