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 MANUALSCHEVROLET2009SILVERADO 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVARIABLE VALVE TIMING ACTUATORSERVICE AND REPAIR
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Variable Valve Timing Actuator: Service and Repair
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Service and Repair
Camshaft Position Sensor Exciter Ring Replacement
Removal Procedure
1. Remove the engine front cover. Refer to Engine Front Cover Replacement (Service and Repair) .
Caution: Do not use an impact driver to remove or install the oil pump driven gear nut. Use of an impact driver may shear the oil pump drive gear pin in the crankshaft.
2. While holding the secondary oil pump shaft with a hex driver, remove the oil pump driven gear nut.
3. Remove the oil pump driven gear.
Note
DO NOT remove the reluctor from the oil pump drive gear. The reluctor is timed to the gear and once removed the correct timing will be lost.
4. Remove the oil pump drive gear and crankshaft sensor reluctor.
5. Remove the camshaft reluctor screws.
6. Remove the camshaft reluctor.
7. Clean and inspect the camshaft reluctor for damage. Replace the reluctor if damage is found.
Installation Procedure
1. Position the camshaft reluctor to the camshaft gear.
Caution: Refer to Fastener Caution (Fastener Caution) .
2. Install the camshaft reluctor bolts.
Tighten the bolts to 9 Nm (80 lb in).
Note
Do not damage the teeth on the reluctor.
3. Install the oil pump drive gear and reluctor to the crankshaft.
4. Install the oil pump driven gear.
Caution: Do not use an impact driver to remove or install the oil pump driven gear nut. Use of an impact driver may shear the oil pump drive gear pin in the crankshaft.
5. While holding the secondary oil pump shaft with a hex driver, install the oil pump driven gear nut.
Tighten the nut to 100 Nm (74 lb ft).
6. Install the engine front cover. Refer to Engine Front Cover Replacement (Service and Repair) .
RENDER: 1.0x
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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.