Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2002EXPRESS 1 TON VAN V8-8.1L VIN GREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSKNOCK SENSORSERVICE AND REPAIRKNOCK SENSOR (KS) 2 REPLACEMENT
2002 Chevrolet Express 1 Ton Van V8-8.1L VIN G
Knock Sensor (KS) 2 Replacement
2002 Chevrolet Express 1 Ton Van V8-8.1L VIN GSECTION Knock Sensor (KS) 2 Replacement
REMOVAL PROCEDURE
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the wiring harness connector from the knock sensor (2).
3. Remove the knock sensor (2) from the engine block (1).
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the knock sensor (2) into the engine block (1).
Tighten
Tighten the knock sensor to 19 N.m (14 lb ft).
2. Connect the harness connector to the knock sensor(2).
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the wiring harness connector from the knock sensor (2).
3. Remove the knock sensor (2) from the engine block (1).
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the knock sensor (2) into the engine block (1).
Tighten
Tighten the knock sensor to 19 N.m (14 lb ft).
2. Connect the harness connector to the knock sensor(2).
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.