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 MANUALSCHEVROLET2008IMPALA V8-5.3LREPAIR AND DIAGNOSISSPECIFICATIONSPRESSURE, VACUUM AND TEMPERATURE SPECIFICATIONSENGINE OIL PRESSURE
2008 Chevrolet Impala V8-5.3L
Engine Oil Pressure
2008 Chevrolet Impala V8-5.3LSECTION Engine Oil Pressure
Oil Pressure - Minimum Hot
1,000 engine RPM 6 psig (41 kPa)
2,000 engine RPM 18 psig (124 kPa)
4,000 engine RPM 24 psig (165 kPa)
Active Fuel Management Relief Valve - RPO LC9, LMG, LH6, L76
Oil Pressure 55-75 psig (379-517 kPa) Min-Max.
NOTE: As Measured at Oil Pressure Sensor Location.
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.