GM DOD 5.3 Oil Pressure Relief Valve Symptoms
Can the oil pressure relief valve be checked/corrected without Spring action. Is your Vortec 5.3 reading LOW OIL PRESSURE? Well, mine did too, and here's what I found: The previous owner had replaced 5.3/6.0 GM V8s plugging up oil filters, oil pressure dropping pressure relief valve in the oil pan which limits oil pressure to 55 lbs. Oil pressure issues | Chevy Silverado and GMC Sierra Forum ...