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Clearance Test

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the oil pump for excessive metal particles.
  2. Inspect the oil pump for gouging, cracks or deep scratches.
  3. Inspect the oil pump inner and outer gear rotors for damage or excessive wear.
  4. Using a straightedge and the Feeler Gauge, measure the height clearance between the oil pump housing and the inner and outer rotors. If the measurement does not meet specifications, install new gerotors as a set.
    Fig 1: Measuring Height Clearance Between Oil Pump Housing And Inner And Outer Rotors
    G03899072Courtesy of FORD MOTOR CO.
  5. Using the Feeler Gauge, measure the clearance between the outer rotor and the oil pump housing. If the measurement does not meet specifications, install new gerotors as a set.
    Fig 2: Measuring Clearance Between Outer Rotor And Oil Pump Housing
    G03899073Courtesy of FORD MOTOR CO.
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