Knock Sensor: Service and Repair

2006 Pontiac Solstice L4-2.4L VIN BSECTION Service and Repair


KNOCK SENSOR (KS) REPLACEMENT

REMOVAL PROCEDURE




1. Disconnect the knock sensor (KS) electrical connector (3).
2. Remove the KS electrical connector clip from the oil level indicator tube bracket.




3. Remove the KS bolt.
4. Remove the KS.

INSTALLATION PROCEDURE

IMPORTANT: Rotate the pigtail 90 degrees from vertical before securing the fastener.




1. Install the KS.

NOTE: Refer to Fastener Notice.

2. Install the KS bolt.

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




3. Disconnect the KS electrical connector (3).
4. Install the KS electrical connector clip to the oil level indicator tube bracket.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.