Q: How to Install a Knock Sensor on a 3.5L Engine on 2009 Dodge Challenger?
A: To install the 3.5L engine's knock sensor, tighten it to 20 Nm (15 ft. lbs.) and install the wire before installing the intake manifold. After fixing the manifold, connect the electrical connector, and then reconnect the negative battery cable and tighten the nut to 5Nm (45 in.lbs.).