Removal And Installation: Removal
NOTE:
The forward sensor is known to the Powertrain Control Module (PCM) as knock sensor 1, the rear sensor is known to the PCM as knock sensor 2.
- Perform the fuel pressure release procedure. Refer to FUEL SYSTEM PRESSURE RELEASE .
- Disconnect and isolate the negative battery cable(s). Refer to STANDARD PROCEDURE .
- Drain the cooling system. Refer to DRAINING .
- Remove the engine oil cooler. Refer to
COOLER, OIL, REMOVAL AND INSTALLATION
.
- Disconnect the wire harness connector(s) (1).NOTE:
There may be a foam strip on the bolt threads. This foam is used only to retain the bolts to the sensors for plant assembly. It is not used as a sealant. Do not apply any adhesive, sealant or thread locking compound to these bolts.
- Remove the mounting bolt(s) (1) and discard, remove knock sensor 1 or knock sensor 2.