Audi Workshop Service and Repair Manuals

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Tighten bolts -1-. Note the different tightening methods for the various bolt versions, See the figure given below. 

Bolt versions 

Bolt -A- without ribbing. 
Tightening torques: 25 Nm 

Bolt -B- with ribbing. 
Tightening torques: 75 Nm 

Bolt -C- with screw head and washer ribbing. 
Tightening torques: 30 Nm + turn another 90 degree.

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Align exhaust system free of tension. 

Tightening torque

Component.........................................................................................................................................................................................................................Nm

Driveshaft to transmission....................................................................................................................................................................................................55 
Heat shield for driveshaft to cover for Torsen differential ...................................................................................................................................................25
Front exhaust pipe with catalytic converter to mounting strap .............................................................................................................................................25
Front exhaust pipe with catalytic converter to exhaust manifold..........................................................................................................................................25
Clamp for exhaust pipe.........................................................................................................................................................................................................40