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 MANUALSCHEVROLET2013SILVERADO 2500 4WD V8-6.0L (CNG)REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINDIFFERENTIAL ASSEMBLYDIFFERENTIAL LOCKACTUATORSERVICE AND REPAIR
2013 Chevrolet Silverado 2500 4WD V8-6.0L (CNG)
Actuator: Service and Repair
2013 Chevrolet Silverado 2500 4WD V8-6.0L (CNG)SECTION Service and Repair
Front Drive Axle Actuator Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
2. Remove the oil pan skid plate, if equipped. Refer to Oil Pan Skid Plate Replacement (2500/3500 with RPO NZZ) .
3. Disconnect the electrical connector from the actuator.
4. Remove the actuator (1) for the 8.25 inch axle (2) , (3) for the 9.5 inch axle (4), or (6) for the 9.25 inch HD axle by turning the actuator counterclockwise.
Installation Procedure
1. Apply sealant to the threads of the actuator (1) for the 8.25 inch axle (2) , (3) for the 9.25 inch axle (4), or (6) for the 9.25 inch HD axle. Use the correct sealant. Refer to Adhesives, Fluids, Lubricants, and Sealers Front Drive Axle.
Caution:
Refer to Fastener Caution Fastener Caution.
2. Install the actuator (1, 3, 6) and tighten to 20 Nm (15 lb ft)..
3. Connect the electrical connector to the actuator.
4. Install the oil pan skid plate, if equipped. Refer to Oil Pan Skid Plate Replacement (2500/3500 with RPO NZZ) .
5. Lower the vehicle.
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.