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Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Repair Instructions >> Exhaust Front Pipe Replacement (LSY) >> Installation Procedure

Installation Procedure

  1. Exhaust System Intermediate Gasket (3) - Install NEW
    GM5180273Courtesy of GENERAL MOTORS COMPANY
  2. Catalytic Converter Gasket (2) - Install NEW
  3. Exhaust Front Pipe (1) - Install
  4. Exhaust System Intermediate Nut (1) - Install [2x] - Exhaust Muffler Replacement (LSY) 
    GM5180268Courtesy of GENERAL MOTORS COMPANY
  5. Catalytic Converter Nut (1) - Install [2x] - Warm Up Three-Way Catalytic Converter Replacement (LSY) 
    GM5180147Courtesy of GENERAL MOTORS COMPANY
  6. Lower the vehicle.
  7. Inspect the exhaust system for leaks.
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