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Home >> Ford >> 2000 >> Excursion 7.3 F, RWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine - 7.3L (99F E Series & 99F F450/550) V8 Turbo Diesel - VIN F >> Engine Oiling >> Low-Pressure Oil Pump >> Inspection

Low-Pressure Oil Pump: Inspection

  1. Inspect components for damage and wear. Install inner and outer rotors in low-pressure oil pump body. Place straightedge across low-pressure oil pump body so it is above both rotors. Using feeler gauge, measure rotor end clearance between rotor and straightedge. Rotor end clearance should be .0010-.0030" (.025-.076 mm).
  2. With both rotors installed in low-pressure oil pump body, use feeler gauge to measure clearance between outer edge of outer gerotor and oil pump body. Outer gerotor-to-oil pump body clearance should be .028-.032" (.71-.81 mm). Replace low-pressure oil pump if any measurement is not within specification.