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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 85 (Intake & Exhaust System - 1.6L - Optima (Except HEV)) >> Muffler And Catalytic Converter >> Repair Procedures >> Removal >> Front Muffler

Front Muffler

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  1. Disconnect the battery negative terminal.
  2. Disconnect the rear oxygen sensor connector (A).
    Fig 1: Locating Rear Oxygen Sensor Connector
    G11823076Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the front muffler hanger (A).
  4. Remove the front muffler (B).

    Tightening torque: 

    39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb.ft)

    Fig 2: Removing Front Muffler
    G11823077Courtesy of KIA MOTORS AMERICA, INC.
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