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Under-Floor TWC Removal/Installation

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle on a lift.
  2. Remove secondary HO2S (Sensor 2) (see A/F SENSOR REPLACEMENT ).
  3. Remove the nuts (A) and the bolts (B).
    Fig 1: Under-Floor TWC And Cover With Torque Specifications
    G06429579Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Remove the under-floor TWC (C).
  5. Remove the cover (D).
  6. Install the parts in the reverse order of removal with new gaskets (E).
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