Ford 1S7Z-12A699-BB Sensor - Engine Knock

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Disconnect the cable from the negative battery terminal. For four-cylinder models, the knock sensors are located on the front side of the block, behind the intake manifold. Remove the intake manifold and disconnect the electrical connector from the knock sensor. Remove the knock sensor bolt and take out the knock sensor. The right-hand knock sensor should be installed with the wire end pointing towards the 6 o'clock position, while the left-side knock sensor should be installed with the wire end pointing towards the 3 o'clock position. For V6 models, the knock sensors are located in the valley between the cylinder heads. All V6 models have two knock sensors that share a single wiring harness, and on 2015 and later models, they must be replaced as a pair. Remove the upper and lower intake manifold, as well as the thermostat housing and coolant tube. Disconnect the knock sensor electrical connector(s) and remove the knock sensor bolt(s) and knock sensor(s). Installation is the reverse of removal, and the new ECT sensor should be tightened.