Jeep Workshop Manuals
Grand Cherokee 2WD V6-3.7L (2008)
Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Knock Sensor > Component Information > Service and Repair > Removal > Page 1411
Knock Sensor: Service and Repair
NOTE: The left sensor is identified by an identification tag (LEFT) (2). It is also identified by a larger bolt head. The Powertrain Control
1. Thoroughly clean knock sensor mounting holes.
NOTE: Over or under tightening the sensor mounting bolts will affect knock sensor performance, possibly causing improper spark
NOTE: Note foam strip on bolt threads. This foam is used only to retain the bolts to sensors for plant assembly. It is not used as a sealant. Do
3. Install and tighten mounting bolts. Tighten to 15 +/- 2 ft.lbs. (20 Nm) (176 in.lbs).
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