Sierra 1500 4WD V8-5.3L VIN B (2005)
Engine Oil Pressure: Specifications
Oil Pressure - Minimum - Hot .................... 41 kPa at 1,000 engine RPM (124 kPa at 2,000 engine RPM) 165 kPa at 4,000 engine RPM (6 psig at 1,000
engine RPM) 18 psig at 2,000 engine RPM (24 psig at 4,000 engine RPM)