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.
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HOMESERVICE MANUALSCHEVROLET2007SILVERADO CLASSIC 1500 4WD V6-4.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCAMSHAFT POSITION SENSORSERVICE AND REPAIR
2007 Chevrolet Silverado Classic 1500 4WD V6-4.3L
Camshaft Position Sensor: Service and Repair
2007 Chevrolet Silverado Classic 1500 4WD V6-4.3LSECTION Service and Repair
CAMSHAFT POSITION SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the ignition coil wire from the distributor.
2. Remove the spark plug wires from the distributor.
1. Twist the spark plug wire boot 1/2 turn.
2. Pull only on the boot or use a tool designed for this purpose in order to remove the wires from the distributor.
3. Disconnect the camshaft position (CMP) sensor electrical connector (2).
4. Remove the distributor cap screws.
5. Remove the distributor cap.
6. Remove the rotor screws.
7. Remove the rotor.
8. Align the square slot in the reluctor wheel with the CMP sensor.
9. Remove the CMP screws.
10. Remove the CMP sensor.
INSTALLATION PROCEDURE
IMPORTANT: Do not use the old cap, CMP sensor, and rotor screws. Use the replacement screws that have been coated with a threadlock compound.
1. Insert the CMP sensor in the reluctor wheel slot.
NOTE: Refer to Fastener Notice.
2. Install NEW CMP screws.
Tighten the screws to 2.2 N.m (19 lb in).
3. Install the rotor.
4. Install NEW rotor screws.
Tighten the screws to 2 N.m (18 lb in).
5. Install the distributor cap.
6. Install NEW distributor cap screws.
Tighten the screws to 2.4 N.m (21 lb in).
7. Connect the CMP sensor electrical connector (2).
8. Connect the spark plug wires and ignition coil wire to the distributor.
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.