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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (2 Of 3)) >> Repair Instructions >> Lower Crankcase Extension Overhaul (RWD) >> Lower Crankcase Extension Cleaning

Lower Crankcase Extension Cleaning

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  1. GM5028691
    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 lower crankcase extension surface (4).

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