Blazer 4WD V6-4.3L VIN X (2005)
Knock Sensor: Service and Repair
KNOCK SENSOR (KS) REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. Remove the distributor.
3. Remove the fuel pipes.
4. Disconnect the knock sensor harness connector (3).
5. Remove the knock sensor retaining bolt (1).
6. Remove the knock sensor (2).
INSTALLATION PROCEDURE
1. Install the knock sensor (2) and bolt (1).
NOTE: Refer to Component Fastener Tightening Notice in Service Precautions.
Tighten the sensor to 25 N.m (18 lb ft).
2. Connect the knock sensor harness connector (3).
3. Install the fuel pipes.
4. Install the distributor.
5. Connect the negative battery cable.
