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

Sealing Flanges and Vibration Damper –
Component
Belt pulley/vibration damper to cylinder block bolt
Sealing flange on belt pulley side to cylinder block bolts
Vibration damper to crankshaft
Control housing cover bolts
Engine speed (RPM) sensor G28 to control housing
cover bolts
Tensioning element to auxiliary component bracket
Sealing plug to cylinder block at rear
Crankshaft Assembly – Tightening Torques
Component
Bearing cap to cylinder block bolts
Reconditioning
dimension, dimensions in mm
Basic dimension
Reworking is not permitted.
1)
Piston and Connecting Rod – Tightening Torques
Component
Connecting rod bearing cap to connecting rod bolts
Pressure relief valve to oil spray jet
Piston ring (dimensions in mm)
Compression ring
Tapered ring
Oil scraping ring
30
Tightening Torques

Crankshaft Dimensions

1)

Piston Ring End Gaps

Audi TT Quick Reference Specification Book • May 2009
Crankshaft
bearing
pin diameter
59.958 to 59.978
new
0.20 to 0.40
0.20 to 0.40
0.25 to 0.50
nm
70
10
100 plus an
additional
90° (¼ turn)
25
5
35
30
nm
30 plus an
additional 180°
(½ turn)
Connecting rod
bearing
pin diameter
53.958 to 53.978
nm
30 plus an
additional 90°
(¼ turn)
27
Wear limit
1.00
1.00
1.00