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 MANUALSGMC2013SIERRA 2500 4WD V8-6.0L (CNG)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOIL PRESSURE SENSORSERVICE AND REPAIR
2013 GMC Sierra 2500 4WD V8-6.0L (CNG)
Oil Pressure Sensor: Service and Repair
2013 GMC Sierra 2500 4WD V8-6.0L (CNG)SECTION Service and Repair
Engine Oil Pressure Sensor and/or Switch Replacement
Special Tools
J 41712 - Oil Pressure Switch Socket
Removal Procedure
1. Remove the intake manifold. Refer to Intake Manifold Replacement (Without AFM) Intake Manifold ReplacementIntake Manifold Replacement (With AFM) Intake Manifold Replacement.
2. Disconnect the engine harness electrical connector (1) from the oil pressure sensor.
3. If not equipped with active fuel management perform the following step, using J 41712 - oil pressure switch socket or equivalent, remove the oil pressure sensor (706) and washer (707).
4. If equipped with active fuel management perform the following step, using J 41712 - oil pressure switch socket or equivalent, remove the oil pressure sensor (706) and washer (707).
Installation Procedure
1. Apply sealant to the threads of the NEW oil pressure sensor. Refer to Adhesives, Fluids, Lubricants, and Sealers Adhesives, Fluids, Lubricants, and Sealers.
Caution: Refer to Fastener Caution Fastener Caution.
2. If equipped with active fuel management perform the following step, using J 41712 - oil pressure switch socket or equivalent. Install the oil pressure sensor (706) and washer (707).
Tighten the sensor to 35 Nm (26 lb ft).
3. If not equipped with active fuel management, perform the following step, using J 41712 - oil pressure switch socket or equivalent. Install the oil pressure sensor (706) and washer (707).
4. Connect the engine harness electrical connector (1) to the oil pressure sensor. Tighten the sensor to 35 Nm (26 lb ft).
5. Install the intake manifold. Refer to Intake Manifold Replacement (Without AFM) Intake Manifold ReplacementIntake Manifold Replacement (With AFM) Intake Manifold Replacement.
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.