audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Vehicles with four-wheel drive > < Removing and installing parts of exhaust system
4-Cylinder engine (5-valve), Mechanics
Removing and installing parts of exhaust system
Vehicles with front-wheel drive
 
A26-0179
  • 30 Nm
    • ◆ Renew
  • Gasket
    • ◆ Renew
  • Exhaust manifold
    • ◆ Removing and installing
  • Lambda probe, 50 Nm
    • ◆ Grease only the threads with high-temperature lubricantG 052 112 A3.The lubricant mustnot get into the slots on the probe body.
 
A26-0179
    • ◆ Checking:

=> Motronic injection and ignition system (4-cylinder); Repair Group 24: Testing lambda control

=> Motronic injection and ignition system (4-cylinder)07.96 ä; Repair group 24; Testing lambda control

    • ◆ Unplugging lambda probe connector => Page 26-17
  • 40 Nm
  • Clamp
    • ◆ Align exhaust system so it is free of stress before tightening clamp => Page 26-20.
    • ◆ Installation position:
      bolted connection facing to the left.
    • ◆ Position of bolts => Fig.1
    • ◆ Tighten bolted connections evenly.
 
A26-0179
  • 40 Nm
  • Clamp
    • ◆ For separate replacement of front and rear silencers
    • ◆ Align exhaust system so it is free of stress before tightening clamp => Page 26-20.
    • ◆ Installation position: bolted connection facing to the rear
    • ◆ Position of bolts => Fig.1
    • ◆ Tighten bolted connections evenly.
  • 25 Nm
  • Mounting
  • Stop
 
A26-0179
  • Mounting
  • 25 Nm
  • Rear silencer
    • ◆ Rear silencer and front silencer are one unit as original equipment, but can be renewed separately for repair purposes.
    • ◆ Cutting point => Page 26-13
    • ◆ Aligning exhaust system free of stress => Page 26-20
  • Front silencer
    • ◆ Front and rear silencers are one unit as original equipment, but can be renewed separately for repair purposes
    • ◆ Cutting point => Page 26-13
    • ◆ Aligning exhaust system free of stress => Page 26-20
  • Mounting
 
A26-0179
  • 25 Nm
  • Catalytic converter
    • ◆ Protect from damage by knocks and impact
  • 25 Nm
    • ◆ Renew
  • Gasket
    • ◆ Renew
  • 25 Nm
  • Front exhaust pipe
    • ◆ With flexible connection (de-coupling element)
    • ◆ Do not bend flexible connection more than10°- otherwise it can be damaged
    • ◆ To remove, unbolt floor cross member (20 Nm)
    • ◆ Aligning exhaust system free of stress => Page 26-20

Vehicles with four-wheel drive > < Removing and installing parts of exhaust system