Catalytic Converter

Removal

NOTE: Exhaust fasteners are of a torque prevailing design. Use only new fasteners with the same part number as the original. Torque values must be used as specified during reassembly to make sure of correct retention of exhaust components.

NOTE: Removal steps in this procedure may contain installation details.

1. With the vehicle in NEUTRAL, position it on a hoist.
   Refer to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
   

1. Remove the Air Cleaner.
   Refer to: Air Cleaner (303-12B Intake Air Distribution and Filtering - 1.6L EcoBoost (132kW/180PS) - Sigma, Removal and Installation).
   

1. Remove the Battery Tray.
   Refer to: Battery Tray - 1.0L EcoBoost (90kW/120PS)/1.6L EcoBoost (132kW/180PS) - Sigma (414-01 Battery, Mounting and Cables, Removal and Installation).
   

1. NOTICE: Gearshift cables must not be kinked or bent.

1. Torque : 25 Nm

1. Remove the HO2S .
   Refer to: Heated Oxygen Sensor (HO2S) (303-14B Electronic Engine Controls - 1.6L EcoBoost (132kW/180PS) - Sigma, Removal and Installation).
   

1. Remove the Catalyst Monitor Sensor (CMS).
   Refer to: Catalyst Monitor Sensor (303-14B Electronic Engine Controls - 1.6L EcoBoost (132kW/180PS) - Sigma, Removal and Installation).
   

1. Torque : 10 Nm

1. NOTICE: Do not excessively bend or twist the exhaust flexible pipe. Failure to follow these instructions may cause damage to the flexible pipe.

   Support the exhaust flexible pipe with a support wrap or suitable splint.
   General Equipment : Cable Ties

1. Torque : 25 Nm

1. Torque : 48 Nm

Installation

1. To install, reverse the removal procedure.
   

1. NOTE: 1.Install a new gasket and loosely install the 2 bolts.

1. NOTICE: Failure to tighten the catalytic converter manifold fasteners in this sequence will cause the converter to develop an exhaust leak.

   NOTE: Tighten the catalytic converter bolts in this sequence.

   1. 1.Position the catalytic converter on the 2 bolts and install the upper bolt.
      Torque : 25 Nm
   2. Torque : 25 Nm
   3. Torque : 25 Nm

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