Crankshaft Position Sensor: Service and Repair

2010 Mercury Mountaineer 2WD V8-4.6LSECTION Service and Repair



Crankshaft Position (CKP) Sensor - 4.6L (3V)

















Removal and Installation

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Vehicle Jacking and Lifting.

2. Remove the accessory drive belt. For additional information, refer to Drive Belts, Mounts, Brackets and Accessories.

3. Disconnect the A/C compressor coil electrical connector.

4. Detach the battery cable retainer from the A/C compressor stud bolts.

5. Remove the nut and detach the A/C tube bracket.
- To install, tighten to 10 Nm (89 lb-in).

6. Remove the nuts, the stud bolt and position the A/C compressor aside.
- To install, tighten to 25 Nm (18 lb-ft).

7. Disconnect the Crankshaft Position (CKP) sensor electrical connector.

8. Remove the bolt and the CKP sensor.
- To install, tighten to 10 Nm (89 lb-in).

9. To install, reverse the removal procedure.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.