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.
2004 Land Rover Freelander (LN) V6-2.5LFACTORY OEM SERVICE PROCEDURE
Knock Sensor: Service and Repair
Sensor - Knock (KS)
Service repair no - 18.30.28
Remove
1. Disconnect battery earth lead.
2. Remove LH inlet manifold.
3. Disconnect KS multiplug.
4. Note the routing of each KS harness.
5. Remove 2 bolts securing KS to cylinder block and remove sensors.
Refit
1. Clean KS and mating faces on cylinder block.
2. Position KS, ensure that harnesses are correctly routed, fit and tighten bolts to 25 Nm (18 ft. lbs.).
3. Connect KS multiplug.
4. Fit LH inlet manifold.
5. Connect battery earth lead.
Factory Service Tools
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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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