Audi TT Platform 2009 - Cylinder Head Cover - Tightening Sequence; Compression Pressures; Valvetrain - 2.0 L Engine - CCTA; Valvetrain - Tightening Torques

38 Audi TT Quick Reference Specication Book • May 2009
Cylinder Head Cover – Tightening Sequence
Component Nm
Tighten bolts 1 - 11 in sequence 10
Compression Pressures
New bar positive
pressure
Wear limit bar positive
pressure
Difference between
cylinders bar positive
pressure
10.0 to 13.0 7.5 max. 3.0
Valvetrain – 2.0L Engine – CCTA
Valvetrain – Tightening Torques
Component Nm
Camshaft sprocket to cylinder head bolt 50 plus an
additional 180°
(½ turn)
Bearing bracket bolts 8 plus an
additional 90°
(¼ turn)
Camshaft adjuster to exhaust camshaft bolt 20 plus an
additional 45°
(
1
⁄
8
turn)
Camshaft timing chain guide rail bolt 8 plus an
additional 90°
(¼ turn)
Guide pins 20
Control valve (left thread) 35
Camshaft chain tensioner bolts 9
Camshaft Position (CMP) sensor G40 to cylinder head
bolt
9
Balance shaft chain tensioner bolt 65