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HOMESERVICE MANUALSCHEVROLET2005EQUINOX FWD V6-3.4L VIN FREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSKNOCK SENSORSERVICE AND REPAIR
2005 Chevrolet Equinox FWD V6-3.4L VIN F

Knock Sensor: Service and Repair

2005 Chevrolet Equinox FWD V6-3.4L VIN FSECTION Service and Repair


KNOCK SENSOR (KS) REPLACEMENT

REMOVAL PROCEDURE

IMPORTANT: This engine is equipped with 2 knock sensors. This service procedure applies to both the right and left knock sensors




1. Raise the vehicle. Refer to Vehicle Lifting.
2. Disconnect the knock sensor (KS) electrical connector.
3. Remove the KS bolt.
4. Remove the KS.

INSTALLATION PROCEDURE

IMPORTANT: DO NOT apply thread locker to the sensor threads. The sensor threads are coated at the factory and applying additional thread locker affects the sensor's ability to detect detonation.




1. Install the KS to engine block.
2. Install the KS bolt.

NOTE: Refer to Fastener Notice in Service Precautions.

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

3. Connect the KS electrical connector.
4. Lower the vehicle.
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.