Audi TT Platform 2009 - Sealing Flanges and Vibration Damper - Tightening Torques; Crankshaft Assembly - Tightening Torques; Crankshaft Dimensions; Piston and Connecting Rod - Tightening Torques

30 Audi TT Quick Reference Specication Book • May 2009
Sealing Flanges and Vibration Damper –
Tightening Torques
Component Nm
Belt pulley/vibration damper to cylinder block bolt 70
Sealing ange on belt pulley side to cylinder block bolts 10
Vibration damper to crankshaft 100 plus an
additional
90° (¼ turn)
Control housing cover bolts 25
Engine speed (RPM) sensor G28 to control housing
cover bolts
5
Tensioning element to auxiliary component bracket 35
Sealing plug to cylinder block at rear 30
Crankshaft Assembly – Tightening Torques
Component Nm
Bearing cap to cylinder block bolts 30 plus an
additional 180°
(½ turn)
Crankshaft Dimensions
Reconditioning
dimension, dimensions in mm
Crankshaft
bearing
pin diameter
Connecting rod
bearing
pin diameter
Basic dimension
1)
59.958 to 59.978 53.958 to 53.978
1)
Reworking is not permitted.
Piston and Connecting Rod – Tightening Torques
Component Nm
Connecting rod bearing cap to connecting rod bolts 30 plus an
additional 90°
(¼ turn)
Pressure relief valve to oil spray jet 27
Piston Ring End Gaps
Piston ring (dimensions in mm) New Wear limit
Compression ring 0.20 to 0.40 1.00
Tapered ring 0.20 to 0.40 1.00
Oil scraping ring 0.25 to 0.50 1.00