S15/T15 Sonoma P/U 2WD V6-262 4.3L VIN Z TBI (1995)
Knock Sensor: Service and Repair
With Powertrain Control Module (PCM)
Knock Sensors
REMOVE OR DISCONNECT
1. Negative battery cable.
2. Drain cooling system. Refer to Cooling System. See: Engine, Cooling and Exhaust/Cooling System/Service and Repair
NOTE: On knock sensors which are mounted in the end of the cylinder head draining the cooling system will not be necessary.
3. Wiring harness connector from knock sensor.
4. Knock sensor from cylinder head.
INSTALL OR CONNECT
1. Knock sensor into cylinder head. Apply water base caulk to sensor threads. Do not use silicon tape as this will insulate sensor from the engine
block.
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Tighten to 19 Nm (14 lb. ft.).
2. Wiring harness connector to the knock sensor.
3. Negative battery cable.
4. Refill cooling system if required. Refer to Cooling System. See: Engine, Cooling and Exhaust/Cooling System/Service and Repair