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Home >> Porsche >> 2018 >> Panamera 4S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 66 (26 Exhaust System 4.0L Turbo Gas -- 971 - PANAMERA (971)) >> WM, 267319 Removing And Installing Catalytic Converter (V8) >> Installing Catalytic Converter

Installing Catalytic Converter

WARNING: This page is about a different variant/trim than selected.
  1. Replace seal on V-band clamps.
    1. 1.1 Carefully lever out the seal using a screwdriver and insert new seal.
    G15881048Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    V-band clamp seal

  2. Install catalytic converter.
    1. 2.1 Carefully insert catalytic converter -4-  at the relevant side.

      Make sure not to damage the heat shields. 

    2. 2.2 Only for catalytic converter on cylinder bank 2:  Fit catalytic converter holder.
      1. 2.2.1 Fit holder -3-  and screw in and tighten screws -2-  .

        > Tightening torque 23 Nm (17 ftlb.) 

    3. 2.3 Screw in and tighten screw -1-  .

      > Tightening torque 23 Nm (17 ftlb.) 

    G15881049Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Catalytic converters with holder

  3. Secure V-band clamp -2-  .
    1. 3.1 Position new  V-band clamp -2-  and tighten screw -1-  .

      > Tightening torque 15 Nm (11 ftlb.) +/- 2 Nm (1.5 ftlb.) 

      G15881050Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      V-band clamp on catalytic converter

  4. Position new  ball clamps -2-  and secure them.

    > Tightening torque 35 Nm (26 ftlb.) 

    G15881051Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Ball clamps