Removal And Installation: Removal
NOTE:
The forward sensor (1) is known to the Powertrain Control Module (PCM) as knock sensor 1. The rear sensor (2) is known to the PCM as knock sensor 2.
- Perform the fuel pressure release procedure. Refer to FUEL DELIVERY, GAS, STANDARD PROCEDURE .
- Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
- Drain the cooling system. Refer to STANDARD PROCEDURE .
- Remove the air cleaner housing assembly, upper and lower intake manifolds and the oil filter housing. Refer to HOUSING, OIL FILTER, REMOVAL AND INSTALLATION
.
- Remove the electrical connector (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 and knock sensor 1 (1) or knock sensor 2 (2).