Audi Workshop Service and Repair Manuals > A4 Mk3 > Power unit | 6-cylinder direct petrol injection engine (3.2 ltr. 4-valve), mechanics | Exhaust system | Silencers | Removing and installing catalytic converter (right-side)

Removing and installing catalytic converter (right-side) - vehicles with automatic gearbox 0B6

Removing

–	Remove front silencer (right-side) → Chapter.

–	Remove Lambda probe after catalytic converter -G130--item 2- → Rep. Gr.24.

Caution

Risk of damage to running gear components.

The vehicle must NOT be lowered onto its wheels if the engine/gearbox mountings, steering box or subframe cross brace are not properly installed.

A4 (all), A5 Coupé:

–	Remove nut -1- for power steering hydraulic line.

–	Remove bolts -arrows- and detach subframe cross brace.

Note

Illustration shows the installation position on a vehicle with dynamic steering.

A5 Cabriolet:

–	Remove bolts -1- and -2- on both sides and detach strut.

–	Remove bolt -2- for power steering hydraulic line.

–	Remove bolts -1- and -arrows- and detach subframe cross brace.

All vehicles (continued):

–	If fitted, remove bolts -arrows- and detach heat shield -1- (right-side).

–	Remove bolt -2-, press bracket off gearbox and swivel to rear -arrow-.

–	Remove bolts -1- and remove bracket.

–	Unscrew nuts -arrows- and detach catalytic converter (right-side).

Note

Disregard -item 1-.

Installing

l	Tightening torque → Chapter.

Installation is carried out in the reverse order; note the following:

Note

Renew gaskets and self-locking nuts.

–	Install subframe cross brace → Rep. Gr.40.

–	Install Lambda probe after catalytic converter -G130- → Rep. Gr.24.

–	Install front silencer (right-side) → Chapter.

Audi Workshop Service and Repair Manuals