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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Intake And Exhaust System - 1.6L (Except HEV) >> Muffler And Catalytic Converter >> Repair Procedures >> Removal >> Front Muffler

Front Muffler

  1. Disconnect the battery negative terminal.
  2. Disconnect the rear oxygen sensor connector (A).
    G12915014Courtesy 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)

G12915015Courtesy of KIA MOTORS AMERICA, INC.
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