Camshaft Position Sensor: Service and Repair

2013 Chevrolet Express 1500 RWD V6-4.3LSECTION Service and Repair



Camshaft Position Sensor Replacement

Removal Procedure





1. Disconnect the engine wiring harness electrical connector (1) from the camshaft position (CMP) sensor wiring harness jumper (2).

2. Remove the water pump. Refer to Water Pump Replacement (V6) Service and RepairWater Pump Replacement (V8) Service and RepairWater Pump Replacement (LMF/LY2) Service and RepairWater Pump Replacement (Diesel) Service and Repair.





3. Remove the CMP sensor bolt.

4. Remove the CMP sensor and wiring harness jumper from the engine front cover.

5. Disconnect the CMP sensor wiring harness jumper from the CMP sensor.

6. Remove the CMP sensor from the wiring harness jumper.

Installation Procedure





Note:
Do not reuse the original O-ring seal.

1. If reinstalling the old CMP sensor, install a NEW O-ring seal onto the sensor.

2. Install the CMP sensor to the wiring harness jumper.

3. Connect the CMP sensor wiring harness jumper to the CMP sensor.

4. Lubricate the O-ring seal with clean engine oil.

5. Install the CMP sensor and wiring harness jumper to the engine front cover.

Caution:
Refer to Fastener Caution Fastener Caution.

6. Install the CMP sensor bolt and tighten to 10 Nm (89 lb in).





7. Install the water pump. Refer to Water Pump Replacement (V6) Service and RepairWater Pump Replacement (V8) Service and RepairWater Pump Replacement (LMF/LY2) Service and RepairWater Pump Replacement (Diesel) Service and Repair.

8. Connect the engine wiring harness electrical connector (1) to the CMP sensor wiring harness jumper (2).

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.