Jeep 5033316AA Sensor-Knock

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To disconnect the knock sensors, disconnect the cable(s) from the negative battery terminal(s). For the 3.6L V6, remove the intake manifolds and disconnect the electrical connector before removing the sensor(s) mounting bolt(s). Finally, install the knock sensor(s) by reversing the removal process.

To replace the knock sensors, start by disconnecting the cable from the negative battery terminal. Then, disconnect the knock sensor electrical connector. Remove the intake manifold and then remove the knock sensor assembly by removing the mounting bolts. Disconnect the electrical connector from the knock sensor and remove the mounting bolt.

To access the knock sensors on V8 engines, the vehicle needs to be raised and secured on jackstands. The galvanized heat shield is pulled off for the left knock sensor, and the electrical connector is disconnected.

The knock sensors are located in the valley between the cylinder heads.

To replace the Throttle Position Sensor (TPS), follow the steps for replacement, including removal of the air cleaner assembly for the 2.5L engine, unplugging the electrical connector, removing the screws retaining the TPS, and reinstalling it securely.

To replace the knock sensor, start by disconnecting the cable from the negative terminal of the battery. Then, remove the engine cover and disconnect the electrical connector(s) from the knock sensor(s). Next, remove the mounting bolt and detach the sensor from the engine block. Finally, installation is the reverse of removal, making sure to tighten the knock sensor bolt to the specified torque.

Start by disconnecting the cable(s) from the negative battery terminal(s). For the 3.6L V6 engine, remove the intake manifolds and then disconnect the electrical connector(s) before removing the sensor(s) mounting bolt(s). For the 3.7L V6 and 4.7L V8 engines, remove the intake manifold and then disconnect the knock sensor electrical connector located at the rear of the engine, behind the intake manifold. For HEMI engines, raise the front of the vehicle and secure it on jackstands. Disconnect the electrical connector from the knock sensor and remove the knock sensor mounting bolt. Finally, install the knock sensor(s) by reversing the removal process and tightening the mounting bolts.