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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Intake And Exhaust System - 1.6L (Except HEV)) >> Muffler And Catalytic Converter >> Repair Procedures >> Removal And Installation >> Front Muffler

Front Muffler

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  1. Disconnect the battery negative terminal.

    Tightening torque: 

    3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 Ib-ft)

    G14524632Courtesy of HYUNDAI MOTOR AMERICA
  2. Remove the front muffler.
    1. Disconnect the oxygen sensor connector (A).
      G14524633Courtesy of HYUNDAI MOTOR AMERICA
    2. Remove the front muffler heat protector (B).

      Tightening torque: 

      9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

      G14524634Courtesy of HYUNDAI MOTOR AMERICA
    3. Loosen the hanger mounting nut, and then remove the hanger (C).

      Tightening torque: 

      29.4 - 39.2 N.m (3.0 - 4.0 kgf.m, 21.7 - 28.9 lb-ft)

    4. Remove the front muffler (D).

      Tightening torque: 

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

      G14524635Courtesy of HYUNDAI MOTOR AMERICA
      NOTE:
      • When installing, replace with new gaskets.
  3. Install in the reverse order of removal.