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Home >> Volkswagen >> 2016 >> Tiguan R-Line, FWD >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> 2.0L - Exhaust System & Emission Controls - Engine Code: CCTA >> 26 Exhaust System, Emission Controls >> Description And Operation >> Exhaust System Overview

Exhaust System Overview

NOTE:

The coupling element in the front exhaust pipe must not be bent more than 10°, otherwise it may be damaged.

Replace gaskets and self-locking nuts.

After exhaust system repairs, make sure the exhaust system is not under stress and is far enough from the body. If necessary, loosen the clamping sleeve and align the muffler and exhaust pipe so that there is adequate distance to the body and that weight is evenly distributed among the suspended mounts.

The exhaust manifold and turbocharger are one component. For information on removing and installing, refer to TURBOCHARGER .

Fig 1: Identifying Assembly Overview: Exhaust System
GWWN26-10364Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Bolt
    • 25 Nm
  2. Suspended Mount
    • Replace if damaged.
  3. Gasket
    • Always replace.
  4. Nut
    • 40 Nm
    • Always replace.
    • Coat the stud bolts on the exhaust manifold with Hot Bolt Paste G 052 112 A3.
  5. Heated Oxygen Sensor -G39-
    • 55 Nm
    • Bank 1, sensor 1.
    • The threads of new Heated Oxygen Sensor -G39- are already coated with Hot Bolt Paste G 052 112 A3.
    • When reusing the old Heated Oxygen Sensor -G39-, grease only the threads with Hot Bolt Paste G 052 112 A3, the paste must not get into the slots in the oxygen sensor body.
  6. Front Exhaust Pipe with Catalytic Converter
    CAUTION:

    Danger of causing damage to the coupling element.

    • Do not bend the coupling element more than 10°.
    • Do not stretch the coupling element.
    • Do not damage the wire mesh on the coupling element.
  7. Oxygen Sensor after Three Way Catalytic Converter -G130-
    • 55 Nm
    • Bank 1, sensor 2.
    • The threads of new Oxygen Sensor after Three Way Catalytic Converter -G130- are already coated with Hot Bolt Paste G 052 112 A3.
    • When reusing the old Oxygen Sensor after Three Way Catalytic Converter -G130-, grease only the threads with Hot Bolt Paste G 052 112 A3, the paste must not get into the slots in the oxygen sensor body.
  8. Front Clamping Sleeve
    • Tighten the nuts evenly, refer to Figure.
  9. Nut
    • Tighten evenly, refer to Figure.
  10. Bracket
  11. Bolt
    • 25 Nm
  12. Suspended Mount
  13. Suspended Mount
  14. Exhaust Pipe with Center and Rear Mufflers
    • Original equipment as one unit with the rear muffler. For repairs, replace each muffler separately.
  15. Tunnel Brace
  16. Nut
    • 25 Nm
  17. Bolt
    • 25 Nm
  18. Suspended Mount
  19. Bolt
    • 20 Nm
  20. Bracket
  21. Bracket
  22. Bolt
    • 25 Nm
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