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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 >> Cylinder Head Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove any old thread sealant, gasket material or sealant.
  2. Clean all cylinder head surfaces with non-corrosive solvent.
    3. WARNING:

    Safety Glasses Warning

  3. Blow out all the oil galleries using compressed air.
  4. Remove any carbon deposits from the combustion chamber.
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