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Home >> Volvo >> 1981 >> 244 GLT, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> VOLVO Engines - B21F & B21FT 4-Cylinder >> Engine Oiling >> Oil Pump

Oil Pump

  1. Remove oil pan and related parts. See OIL PAN REMOVAL . Pull oil pump out of engine, disassemble and clean all parts thoroughly. Check all parts for excessive wear or signs of fatigue.
  2. Measure backlash (clearance) between pump gears. It should be 0.006 - 0.014" (0.15 - 0.35 mm). Also measure end play of gears. Allowable end play is 0.0008 - 0.0048" (0.02 - 0.12 mm). If any parts show excessive wear or play, replace necessary components. Drive shaft and gear are matched set and must be replaced as an assembly.
  3. Reinstall oil pump, making sure that sealing rings on oil delivery pipe are securely in place. Be sure oil pump properly engages pump drive shaft. Replace oil pan and related components.
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