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Oil Pump: Disassembly

Fig 1: Exploded View Of Oil Pump
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  1. Remove bearing race.
  2. Remove four seal rings.
  3. Loosen six mounting bolts evenly in pattern shown in Fig 2 and remove oil pump cover from oil pump housing.
    Fig 2: Locating Oil Pump Mounting Bolts
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    CAUTION: Do not use a punch to mark outer and inner rotors.
  4. Mark outer and inner rotors as shown in Fig 3 , and separate them from oil pump housing.
    Fig 3: Marking Outer & Inner Rotors For Reference
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  5. Remove plug then remove washer, spring and fluid pressure bypass valve.