Audi Workshop Service and Repair Manuals

Removing and installing catalytic converter

Removing –  Remove Lambda probe -G39--item 1- → Rep. gr.24.

–  Unplug electrical connector -2-.   Note Disregard -items 1, 3, 4-. –  Remove poly V-belt → Chapter.

–  Unplug electrical connector -1- for air conditioner compressor regulating valve -N280-.   WARNING Risk of injury caused by refrigerant. The air conditioner refrigerant circuit must not be opened. –  Remove bolts -arrows- for air conditioner compressor.   Caution Danger of damage to refrigerant lines and hoses. Do NOT stretch, kink or bend refrigerant lines and hoses. –  Tie up air conditioner compressor together with refrigerant hoses to longitudinal member (refrigerant hoses remain connected).

–  Remove bolts -arrows- and detach heat shield -1-.

–  Remove electrical connector -3- for Lambda probe after catalytic converter -G130- from bracket and unplug connector. –  Move clear electrical wiring for Lambda probe after catalytic converter -G130-.   Note Disregard -items 1, 2-.

–  Remove nuts -2-.   Note Disregard -items 1, 3-.

–  Remove nuts -arrows- and bolts -1 and 2- and detach catalytic converter. Installing Installation is carried out in the reverse order; note the following: l  Tightening torques → Fig. „„Heat shield - tightening torque““   Note Renew gaskets and nuts. –  Tighten nuts and bolts for catalytic converter → Fig.. –  Install front exhaust pipe → Chapter. –  Install air conditioner compressor → Rep. gr.87. –  Install poly V-belt → Chapter.