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Home >> Mercedes Benz >> 1979 >> 6.9 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 6.9 Liter V8 >> Engine Oiling >> Notes

Engine Oiling: Notes

Crankcase Capacity  - 12 quarts with filter.

Oil Filter  - Full-flow paper cartridge with 50 psi (3.5 kg/cm2 ) relief valve built in.

Pressure Regulator Valve  - Non-adjustable relief valve opens at 115 psi (8 kg/cm2 ).

Normal Oil Pressure  - At least 7 psi at idle and 50 psi (3.5 kg/cm2 ) at 3000 RPM.