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Overview - Emissions Control System

Fig 1: Exploded View Of Emissions Control System
GWWM26-10105Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Catalytic Converter
  2. Screw-Type Clamp
    • Replace after removing
    • Installation position. Refer to Fig 2.
    • Tightening specification and sequence. Refer to Fig 3.
  3. Seal
    • Replace after removing
  4. Turbocharger
  5. Bolt
    • 20 Nm
  6. Bracket
  7. Bolt
    • Quantity: 2
    • 20 Nm
  8. Bracket
  9. Bolt
    • 20 Nm
  10. Retaining Loop
    • Replace if damaged
Fig 2: Installed Location of the Catalytic Converter Screw Clamp
GWWA26-11274Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the screw-type clamp in the shown position. The threaded connection must have equal distance to the other components.

Fig 3: Catalytic Converter Tightening Specification and Sequence
GWWA26-12315Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the threaded connections in steps in the sequence shown:

Step Screw-type clamp/bolt Tightening Specification
1. Screw-type clamp -1- Position above the sealing flange, align (refer to Fig 2) and tighten with 5 Nm.
2. Bolt -2- Tighten with 2 Nm and immediately loosen by a 90° turn
3. Screw-type clamp -1- Tighten to 15 Nm.
4. Bolt -2- Tighten to 20 Nm