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Home >> Subaru >> 1980 >> Brat DL >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engines 1600 & 1800 4 Cylinder >> Engine Oiling >> Oil Pump >> Disassembly

Oil Pump: Disassembly

  1. Remove screws, lift cover and rotor from pump body. Remove "O" ring. Remove by-pass spring and ball. Unscrew plug and remove washers, spring and pressure relief valve.
  2. Measure rotor-to-drive gear and rotor-to-body clearance. Measure rotor side clearance and measure diameters of rotor and drive gear. Replace any component that exceeds wear limits.
  3. Inspect relief valve spring, valve and pump body for wear or damage.
    NOTE: Make sure oil pump shaft is aligned with slot in camshaft when reassembling.
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