50
Audi TT Quick Reference Specification Book • May 2009
Turbocharger – Tightening Torques
Component
nm
Exhaust manifold stud bolt to turbocharger nuts
20 plus an
additional 45°
(
1
⁄
8
turn)
Coolant return line to turbocharger bolt
35
Coolant return line bracket to turbocharger, upper bolt
23
Coolant return line bracket to turbocharger, lower bolt
9
Turbocharger bracket bolt
30
Turbocharger bracket to fastening strip bolt
30
Turbocharger bracket to fastening strip nut
30
Oil supply line to turbocharger nut
30
Fastening strip nut
30
Oil supply line to turbocharger bolt
20 plus an
additional 45°
(
1
⁄
8
turn)
Coolant supply line to turbocharger bolts
20 plus an
additional 45°
(
1
⁄
8
turn)
Coolant supply line bracket bolt
30
Coolant supply line bolt
9
Oil return line bolts
9
Oil return line to turbocharger bolts
9
Turbocharger vacuum diaphragm bolts
10
Turbocharger vacuum diaphragm nut
4
Heat shield bolts
20
Heat shield bracket bolts
9
Wastegate bypass regulator valve N75 bolts
3
Ring connection bolt
9
Connection to turbocharger bolt
7
Bracket to turbocharger bolt
7
Turbocharger recirculating valve N249 to turbocharger
bolt
7
Turbocharger recirculating valve N249 to turbocharger
nut
9
Bracket for turbocharger to cylinder block (use hot bolt
paste Electronic Parts Catalog [ETKA])
30
Turbocharger bracket to turbocharger (use hot bolt paste
Electronic Parts Catalog [ETKA])
30
Right charge air pipe to oil pan
10
Air guide pipe to bracket
10
