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.
2007 Ford Edge FWD V6-3.5LFACTORY OEM SERVICE PROCEDURE
Knock Sensor: Service and Repair
KNOCK SENSOR (KS)
Removal and Installation
1. Remove the thermostat housing.
2. Remove the lower intake manifold.
3. Remove the coolant tube.
- Discard the O-ring.
4. Disconnect the knock sensor (KS) electrical connector.
5. Remove the 2 bolts and the KS.
- To install, tighten to 20 Nm (15 lb-ft).
6. To install, reverse the removal procedure.
- Lubricate the new O-ring with clean engine coolant.
Removal and Installation
1. Remove the thermostat housing.
2. Remove the lower intake manifold.
3. Remove the coolant tube.
- Discard the O-ring.
4. Disconnect the knock sensor (KS) electrical connector.
5. Remove the 2 bolts and the KS.
- To install, tighten to 20 Nm (15 lb-ft).
6. To install, reverse the removal procedure.
- Lubricate the new O-ring with clean engine coolant.
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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