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 Chevrolet Avalanche 2500FACTORY OEM SERVICE PROCEDURE

Removal Procedure

Fig 1: View Of Engine Protection Shield

Courtesy of GENERAL MOTORS CORP.

Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Remove the engine shield bolts and shield, if equipped.

Fig 2: View Of CMP Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the camshaft position (CMP) sensor electrical connector (1).

Fig 3: View Of CMP Sensor & Bolt

Courtesy of GENERAL MOTORS CORP.

Remove the CMP sensor bolt.
Remove the CMP sensor.
Inspect the CMP sensor for wear, cracks or leakage if the sensor is not being replaced.

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.