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Home >> Buick >> 2012 >> Verano >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Three-Way Catalytic Converter Replacement >> Removal Procedure
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Removal Procedure

WARNING:

Refer to Exhaust Service Warning .

  1. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement .
  2. Fig 1: Three Way Catalytic Converter & Components
    GM2538004Courtesy of GENERAL MOTORS COMPANY
  3. Remove the 3 three way catalytic converter nuts (1).
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Standard) .
  5. Remove the catalytic converter. Refer to Catalytic Converter Replacement .
  6. Remove the 2 three way catalytic converter nuts (3).
  7. Remove the three way catalytic converter (4) and the gasket (5).