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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.0L (LSY)) >> Repair Instructions >> Lower Crankcase Extension Overhaul >> Engine Block Lower Structural Extension Cleaning

Engine Block Lower Structural Extension Cleaning

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  1. GM5028691Courtesy 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 the engine block lower structural extension surface (4).

  2. Clean all plug holes and oil galleries with solvent and compressed air.
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