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Home >> Buick >> 2016 >> Verano Premium, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 2.0L (LHU) >> Repair Instructions - Off Vehicle >> Oil Pump Disassemble

Oil Pump Disassemble

    Fig 1: Pressure Relief Valve
    GM2146354Courtesy of GENERAL MOTORS COMPANY
  1. Remove the oil pressure relief valve plug (1), spring (2), and plunger (3).
    2. Fig 2: Oil Pump Assembly
    GM2146355Courtesy of GENERAL MOTORS COMPANY
  2. Remove the oil pump gerotor cover (1) and bolts.
  3. Clean all of the parts in cleaning solvent. Remove varnish, sludge, and dirt.
  4. Inspect the oil pump (2, 3) for wear and scoring. Ensure that all components are within specifications. Refer to Engine Mechanical Specifications .
  5. Replace the front cover (4) and oil pump assembly if it is out of specification or damaged.
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