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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 >> Engine Block Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.
    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.

  1. Remove any old thread sealant, gasket material or sealant.
  2. Clean all the following areas with solvent:
    • Sealing surfaces
    • Cooling passages
    • Oil passages
    • Bearing journals
  3. Clean all threaded and through holes with solvent.
  4. WARNING:

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

  5. Dry the engine block with compressed air.