Audi AMB Service Manual page 286

ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
Fig. 370: Removing Bolts Securing Catalytic Converter To Front Exhaust Pipe
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Remove bolts - arrows - securing catalytic converter to front exhaust pipe.

Unbolt transmission bracket for exhaust system - arrow -.

NOTE:
To avoid damage, do not bend decoupling element of front exhaust pipe

by more than 10 °.
Remove front exhaust pipe.

Installing
Install in reverse order, paying attention to the following:
Stress-free alignment of exhaust system --> Exhaust system - vehicles with front wheel drive, aligning

stress-free or --> Exhaust system - vehicles with all wheel drive, aligning stress-free.
Tightening torques
Components
Front exhaust pipe to catalytic converter
Clamp for front exhaust pipe
Heat shield to transmission
Exhaust system - vehicles with front wheel drive, aligning stress-free
Vehicles without clamp between center muffler and rear muffler
Exhaust system must be aligned when cold.

Fig. 371: Separating Exhaust System At Clamp
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2005 Audi A4 Quattro
1:01:30 AM Page 274
Nm
25
40
23