Astro Van M V6-262 4.3L VIN Z (1994)
Knock Sensor: Service and Repair
REMOVAL
1.
Disconnect battery cable.
2.
Drain cooling system.
3.
Disconnect wiring harness connector from knock sensor.
4.
Remove knock sensor.
INSTALLATION
1.
Install knock sensor. Apply water base caulk to sensor threads. Do not use silicon tape as this will insulate sensor from engine. Tighten to 19 Nm
(14 lb. ft.).
2.
Connect wiring harness connector to knock sensor.
3.
Connect negative battery cable.
4.
Refill cooling system and pressure test for leaks.
