mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Oxygen Sensor > < Knock Sensor|Specifications|Page 3647
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Knock Sensor: Service and Repair

REMOVAL 

1. Remove the lower intake manifold.
2. Remove the coolant crossover tube.  See: Engine, Cooling and Exhaust/Cooling System/Coolant Line/Hose/Service and Repair  
3. Disconnect the battery ground cable.
4. Disconnect the Knock Sensor (KS) electrical connector.
5. Remove the KS bolt and the KS from the cylinder block.

INSTALLATION 

To install, reverse the removal procedure. 

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Tighten the KS bolt to 25-34 N.m (18-25 lb-ft).

Oxygen Sensor > < Knock Sensor|Specifications|Page 3647