audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing catalytic converter and exhaust pipe > < Separating front and rear silencer
4-Cyl. TDI®Engine, Mechanics
Removing and installing exhaust system components
Removing and installing exhaust manifold

Removing

  • ‒ Remove turbocharger => Page 21-46.
  • ‒ Detach front exhaust system clamp.
  • ‒ Push clamp back to separate exhaust system.
  • ‒ Turn catalytic converter with exhaust pipe aside or towards front.
 
A26-0222
  • ‒ → Unscrew all nuts -arrows- of exhaust manifold.
  • ‒ Detach washers, heat shield bracket (where fitted) and exhaust manifold.

Installing

Install in reverse order, paying attention to the following:

Note:

Replace gaskets and self-locking nuts.

  • ‒ Install catalytic converter with exhaust pipe.
  • ‒ Install turbocharger => Page 21-52.
  • ‒ Perform stress-free alignment of exhaust system => Page 26-23.

Tightening torques

Component

Nm

Exhaust manifold to cylinder head

25

Heat shield to exhaust manifold

25

Removing and installing catalytic converter and exhaust pipe > < Separating front and rear silencer