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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Mechanical - 1.5L (LYX)) >> Repair Instructions >> Engine Block Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Ensure proper use of room temperature vulcanizing (RTV) sealant.Properly clean all RTV surfaces, Refer to Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant .
  2. Remove any old thread sealant, gasket material or sealant using EN-28410  remover.
  3. Clean all the following areas with solvent:
    • Sealing surfaces
    • Cooling passages
    • Oil passages
    • Bearing journals
  4. Clean all threaded and through holes with solvent.
    5. WARNING:

    Refer to Safety Glasses Warning .

  5. Dry the engine block with compressed air.
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