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Cleaning Procedure

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. 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 sealant.
  3. WARNING:

    Refer to Safety Glasses Warning .

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