LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2019 >> Encore Base >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Repair Instructions >> Catalytic Converter Replacement (LE2) >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

  1. GM4109953Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter (3) - Install

  2. Install a NEW catalytic converter gasket. (2)
  3. Catalytic Converter Clamp (1) - Loosely install
  4. Exhaust Front Pipe@Catalytic Converter - Connect - Exhaust Front Pipe Replacement (LE2) 
  5. Catalytic Converter Brace Bracket - Lower @Catalytic Converter - Connect - Catalytic Converter Brace Bracket Replacement (Lower LE2) Catalytic Converter Brace Bracket Replacement (Upper LE2) 
  6. CAUTION:

    Refer to Fastener Caution .

  7. Catalytic Converter Clamp - Tighten 15 N.m (11 lb ft)
  8. Catalytic Converter Brace Bracket - Upper - Install - Catalytic Converter Brace Bracket Replacement (Lower LE2) Catalytic Converter Brace Bracket Replacement (Upper LE2) 
  9. Heated Oxygen Sensor Replacement - Sensor 1 - Connect