54
Audi TT Quick Reference Specification Book • May 2009
Exhaust System – 2.0L – CCTA
Exhaust System – Tightening Torques
Component
nm
Catalytic converter to exhaust manifold stub bolts nuts
40
Oxygen Sensor (O2S) behind Three Way Catalytic
Converter (TWC) G130
55
Rear clamping sleeve nut
23
Bracket nut
Center muffler suspended mount bolts
23
Front clamp sleeve nut
23
Oxygen sensor G39
55
Front exhaust pipe to turbocharger nuts
40
Tunnel brace bolts
23
Mount to subframe
25
Exhaust System – 3.2L – CBRA
Exhaust System – Tightening Torques
Component
nm
Front exhaust pipe to exhaust manifold
40
Catalytic converter to front exhaust pipe
23
Oxygen sensor in front exhaust pipe
55
Exhaust system bracket to subframe
23
Exhaust manifold to cylinder head
23
Front exhaust pipe to exhaust manifold
40
Exhaust manifold heat shield to cylinder head
20
Oxygen sensor before catalytic converter in front exhaust
pipe
55
Dome brace to body or bracket
20
Oxygen sensor behind catalytic converter in catalytic
converter
55
