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Oil Pump: Disassembly

  1. Unscrew union and remove relief valve spring and plunger from pump body. Remove pick-up tube and cover from pump body. Clean all parts and dry with compressed air.
  2. If inner rotor replacement is required, remove pump sprocket hub from rotor shaft using a puller. Install new rotor in pump body and press hub onto rotor shaft to a distance of 1.740-1.748" (44.20-44.40 mm) between hub and rotor faces.
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