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Knock Sensor (KS)

NOTE: The thermostat housing must be removed to service the Knock Sensor (KS). For additional information, REFER to ENGINE COOLING .
NOTE: The lower intake manifold must be removed to service the Knock Sensor (KS). For additional information, REFER to ENGINE -3.5L or ENGINE -3.7L .
NOTE: Remove and discard the coolant tube O-ring seal. Install a new O-ring seal and lubricate it with clean engine coolant before installing the coolant tube.
Fig 1: Lnock Sensor, Coolant Tube, O-Ring Seal And KS Bolt With Torque Specifications
G09295367Courtesy of FORD MOTOR CO.
Item Part Number Description
1 9N271 Coolant tube
2 8565 Coolant tube O-ring seal
3 - Knock Sensor (KS) electrical connector (part of 12A581)
4 W704749 KS  bolt (2 required)
5 12A699 KS