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.
2012 Ford Escape 2WD V6-3.0LFACTORY OEM SERVICE PROCEDURE
Knock Sensor: Service and Repair
Knock Sensor (KS)
Cylinder Head-Mounted Knock Sensor (KS)
Engine Block-Mounted Knock Sensor (KS)
Removal
Cylinder head-mounted Knock Sensor (KS)
1. Disconnect the Knock Sensor (KS) electrical connector.
2. Remove the bolt and the KS (Knock Sensor).
Engine block-mounted KS (Knock Sensor)
3. Remove the lower intake manifold.
4. Disconnect the KS (Knock Sensor) electrical connector.
5. Remove the bolt and the KS (Knock Sensor).
Installation
Engine block-mounted KS (Knock Sensor)
1. Install the KS (Knock Sensor) and the bolt.
- Tighten to 25 Nm (18 lb-ft).
2. Connect the KS (Knock Sensor) electrical connector.
3. Install the lower intake manifold.
Cylinder head-mounted KS (Knock Sensor)
4. Install the KS (Knock Sensor) and the bolt.
- Tighten to 25 Nm (18 lb-ft).
5. Connect the KS (Knock Sensor) electrical connector.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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