LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2471 (Engine Mechanical - 6.4L 99R Diesel -- F250-F550 Super Duty) >> Diagnosis And Testing >> Engine >> Oil Pressure Test >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern.
  2. Visually inspect for obvious signs of damage.
  3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  4. If the concern is not visually evident, check the base oil pressure.
  5. Remove the Engine Oil Temperature (EOT) sensor. Refer to ELECTRONIC ENGINE CONTROLS DIESEL ENGINE .
  6. Install the High-Pressure Pump Test Adapter.
    • Tighten to 12 Nm (106 lb-in).
      Fig 1: Identifying High-Pressure Pump Test Adapter
      G06773986Courtesy of FORD MOTOR CO.
    7. NOTE: Use a backup wrench on the High-Pressure Pump Test Adapter when installing the oil pressure gauge or engine damage may occur.
  7. Install a commercially available oil pressure gauge and check the base oil pressure. The minimum engine oil pressure specifications are 82.7 kPa (12 psi) at 700 RPM, 165.5 kPa (24 psi) at 1,200 RPM and 310.3 kPa (45 psi) at 1,800 RPM with the engine at operating temperature.
  8. Install the EOT  sensor. Refer to ELECTRONIC ENGINE CONTROLS DIESEL ENGINE .
  9. If the concern is not evident, verify the symptom. GO to SYMPTOM CHART .
scientia non olet · About LEMON Manuals