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Home >> Buick >> 2017 >> Encore Base >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Repair Instructions >> Catalytic Converter Replacement (LUV) >> Removal Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

WARNING:

Refer to Exhaust Service Warning .

  1. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUV) .
  2. Remove the catalytic converter heated oxygen sensor - 1. Refer to Heated Oxygen Sensor Replacement - Sensor 1 .
  3. Remove the catalytic converter to the turbocharger clamp fastener and discard the clamp.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Fig 1: Exhaust Front Pipe Fasteners & Gasket
    GM2609448Courtesy of GENERAL MOTORS COMPANY
  6. Remove the exhaust front pipe fasteners (1) and discard the exhaust gasket (2).
  7. Fig 2: Catalytic Converter Brace & Fasteners
    GM2609441Courtesy of GENERAL MOTORS COMPANY
  8. Remove the catalytic converter brace fasteners (1) from the catalytic converter brace (2).
  9. Remove the catalytic converter.