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Oil Pump Cleaning and Visual Inspection

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  1. GM5028688Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Wear safety glasses when using compressed air in order to prevent eye injury.

    CAUTION:

    To ensure proper engine lubrication, clean clogged or contaminated oil galleries in an approved solvent and with compressed air. Failure to clean oil galleries may cause engine damage.

    Clean all plug holes and oil galleries of the oil pump with solvent and compressed air.

  2. Inspect the oil pump (2) for cracks, scratches and damage.
  3. Inspect the oil pump drive shaft (1) for damage and wear.
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