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Home >> GMC >> 2003 >> Safari Van AWD V6-4.3L VIN X >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Service and Repair
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Knock Sensor: Service and Repair

REMOVAL PROCEDURE
1. Disconnect the negative battery cable.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

2. Remove the engine cover.




3. Disconnect the knock sensor harness connector (3).
4. Remove the knock sensor bolt (1) and knock sensor (2).

INSTALLATION PROCEDURE




1. Install the knock sensor (2) and the knock sensor bolt (1).

NOTE: Refer to Component Fastener Tightening Notice in Service Precautions.

Tighten
Tighten the sensor to 25 N.m (18 lb ft).

2. Connect the knock sensor harness connector (3).
3. Install the engine cover.
4. Connect the negative battery cable.
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