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Oil Pump: Inspection

  1. Check oil pump gears for wear or scores.
  2. Fit oil pump gears and shaft into timing gear cover. See Fig 3.
  3. Place a straight edge across gears. See Fig 3.
  4. Check clearance between straight edge and timing gear cover. If less than 0.05 mm (0.002"), check timing gear cover gear recess for wear. See Fig 3.
  5. Check oil pressure relief valve for wear or scores.
  6. Check sides of relief valve spring for wear or signs of collapse.
  7. Clean wire screen filter for relief valve.
  8. Check fit of relief valve in its bore. The valve must be an easy slide fit with no perceptible side movement.
LUBRICATION SYSTEM SPECIFICATIONS

Application Specification
Lubrication System Type Wet Sump Pressure Fed
Oil Pump Type Gear
Oil Pressure 30-40 psi (2.11-2.81 Kg/cm2 ) @ 2400 RPM with Engine Warm
Internal Oil Filter Wire Screen, Pump Intake Filter In Sump
External Oil Filter Full Flow, Self Contained Cartridge
Fig 1: Removing Oil Pump
G00066662Courtesy of LAND ROVER NORTH AMERICA, INC.
Fig 2: Dismantling Oil Pressure Relief Valve
G00066663Courtesy of LAND ROVER NORTH AMERICA, INC.
Fig 3: Checking Oil Pump Clearance
G00066664Courtesy of LAND ROVER NORTH AMERICA, INC.
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