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 MANUALSCHEVROLET2012EXPRESS 2500 V8-4.8LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINEENGINE LUBRICATIONOIL LEVEL SENSORSERVICE AND REPAIR
2012 Chevrolet Express 2500 V8-4.8L
Oil Level Sensor: Service and Repair
2012 Chevrolet Express 2500 V8-4.8LSECTION Service and Repair
Engine Oil Level Sensor and/or Switch Replacement (6.2L and 7.0L)
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
2. Place a suitable drain pan under the oil pan drain plug.
3. Remove the oil pan drain plug (430).
4. Allow the oil pan to drain completely.
5. Re-install the oil pan drain plug until snug.
6. Remove the drain pan from under the vehicle.
7. Disconnect the engine harness electrical connector (4) from the oil level sensor.
8. Remove the oil level sensor from the oil pan.
Installation Procedure
Caution:
Refer to Fastener Caution Fastener Caution.
1. Install the oil level sensor to the oil pan.
Tighten the sensor to 20 Nm (15 lb ft).
2. Connect the engine harness electrical connector (4) to the oil level sensor.
3. Ensure that the oil pan drain plug is tight.
Tighten the drain plug to 25 Nm (18 lb ft).
4. Lower the vehicle.
5. Fill the engine with NEW engine oil. Refer to Fluid and Lubricant Recommendations Maintenance and Approximate Fluid Capacities [1][2]Maintenance.
6. Start the engine and inspect for leaks.
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.