Camshaft Position Sensor: Service and Repair

2006 Buick Lucerne V6-3.8L VIN 2SECTION Service and Repair


CAMSHAFT POSITION (CMP) SENSOR REPLACEMENT

REMOVAL PROCEDURE




1. Remove the coolant recovery reservoir.
2. Remove the drive belt.
3. Disconnect the engine harness electrical connector (3) from the camshaft position (CMP) sensor.




4. Remove the CMP sensor bolt and sensor.

INSTALLATION PROCEDURE




1. Install the camshaft position sensor and bolt.

NOTE: Refer to Fastener Notice.

Tighten the bolt to 10 N.m (89 lb in).




2. Connect the engine harness electrical connector (3) to the CMP sensor.
3. Install the drive belt.
4. Install the coolant recovery reservoir.
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:

  • 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.