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 MANUALSCHEVROLET1999EXPRESS 1 TON VAN V8-5.7L VIN RREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOIL PRESSURE SENSORSERVICE AND REPAIR
1999 Chevrolet Express 1 Ton Van V8-5.7L VIN R
Oil Pressure Sensor: Service and Repair
1999 Chevrolet Express 1 Ton Van V8-5.7L VIN RSECTION Service and Repair
Removal Procedure
- Tools Required
- J 41712 Oil Pressure Switch Socket.
1. Disconnect the electrical connector.
2. Hold the engine oil pressure sensor fitting with a wrench.
Important: Note the alignment of the oil pressure sensor fitting prior to removal.
3. Remove the engine oil pressure sensor using J 41712.
4. Remove the engine oil pressure sensor fitting, if necessary.
Installation Procedure
Notice: Fastener Notice in Service Precautions.
1. Install the oil pressure sensor fitting, if removed.
1.1. Tighten the engine oil pressure sensor fitting to 15 Nm (11 ft. lbs.).
Important: Do not loosen the fitting. Do not tighten more than one turn.
1.2. Tighten the fitting until properly align.
2. Install the oil pressure sensor.
3. Hold the oil pressure sensor fitting with a wrench to prevent from turning.
Using J 41712 tighten the oil pressure sensor to 30 Nm (22 ft. lbs.).
4. Install the electrical connector.
- Tools Required
- J 41712 Oil Pressure Switch Socket.
1. Disconnect the electrical connector.
2. Hold the engine oil pressure sensor fitting with a wrench.
Important: Note the alignment of the oil pressure sensor fitting prior to removal.
3. Remove the engine oil pressure sensor using J 41712.
4. Remove the engine oil pressure sensor fitting, if necessary.
Installation Procedure
Notice: Fastener Notice in Service Precautions.
1. Install the oil pressure sensor fitting, if removed.
1.1. Tighten the engine oil pressure sensor fitting to 15 Nm (11 ft. lbs.).
Important: Do not loosen the fitting. Do not tighten more than one turn.
1.2. Tighten the fitting until properly align.
2. Install the oil pressure sensor.
3. Hold the oil pressure sensor fitting with a wrench to prevent from turning.
Using J 41712 tighten the oil pressure sensor to 30 Nm (22 ft. lbs.).
4. Install the electrical connector.
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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.