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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (2 Of 3)) >> Repair Instructions >> Cylinder Head Overhaul >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove any old thread sealant, gasket material or sealant.
  2. Clean all cylinder head surfaces with non-corrosive cleaning solvent.
    3. WARNING:

    Refer to 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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