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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.2L (LIH)) >> Repair Instructions >> Oil Pump Cleaning and Inspection

Oil Pump Cleaning and Inspection

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  1. GM5282084Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    DO NOT allow cleaning solvents to come in contact with either the timing belt or oil pump belt. Ensure both belts are set aside in a location away from cleaning solvents.

    Clean all the components.

  2. Clean all sealing surfaces.
  3. Rotate the oil pump sprocket (4) and inspect it for damage.
  4. Inspect the locating pins (1, 3) for damage.
  5. Inspect the oil pump sealing surface (2) for damage.
  6. Inspect the oil pump for any cracks or fractures.
  7. Replace the oil pump as necessary.