RAM 3500 Truck 2WD V8-5.7L (2008)
Engine Oil Pressure: Testing and Inspection
CHECKING ENGINE OIL PRESSURE
1. Remove oil pressure sending unit and install gauge assembly C-3292.
CAUTION: If oil pressure is 0 at idle, do not perform the 3000 RPM test.
2. If oil pressure is 0 at idle, shut off engine.
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Check for a clogged oil pick-up screen or a pressure relief valve stuck open.
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Remove oil pan and inspect for debris.
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Remove oil pressure relief valve.
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Inspect oil pressure relief valve, if scored or damaged replace.
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If pressure relief valve is ok, replace oil pump assembly.
3. Run engine at 3,000 rpm, oil pressure should be 170 - 758 kPa (25 - 110 psi).
4. Remove oil pressure gauge.
5. Install oil pressure sensor.