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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2011TAHOE 2WD V8-6.0L HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMKNOCK SENSORSERVICE AND REPAIRKNOCK SENSOR 1 REPLACEMENT
2011 Chevrolet Tahoe 2WD V8-6.0L Hybrid
Knock Sensor 1 Replacement
2011 Chevrolet Tahoe 2WD V8-6.0L HybridSECTION Knock Sensor 1 Replacement
Knock Sensor 1 Replacement
Removal Procedure
1. If equipped with 4WD, remove the left front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Left Side Front Wheelhouse Liner Replacement - Left Side.
2. Remove the left front wheel and tire. Refer to Tire and Wheel Removal and Installation Service and Repair.
3. Working through the wheel well opening, reposition the engine wiring harness sleeve (3).
4. Disconnect the engine wiring harness electrical connector (4) from knock sensor.
5. Remove the knock sensor bolt (739) and knock sensor (718).
Installation Procedure
Caution: Refer to Fastener Caution Fastener Caution.
1. Position the knock sensor (718) to the engine block and install the knock sensor bolt (739). Tighten the bolt to 25 Nm (18 lb ft).
2. Connect the engine wiring harness electrical connector (4) to knock sensor.
3. Position the engine wiring harness sleeve (3) over the knock sensor electrical connection.
4. Install the left front wheel and tire. Refer to Tire and Wheel Removal and Installation Service and Repair.
5. If removed, install the left front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Left Side Front Wheelhouse Liner Replacement - Left Side.
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.