Audi 2003 A8, Workshop Manual

Page: 93 / 252

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11 - Bearing bracket for drive sprocket
12 - 9 Nm
13 - Drive sprocket for camshaft timing chain (left-side)
14 - Thrust washer for drive sprocket
15 - 22 Nm
Camshaft timing chain (right-side)
1 - Bearing mounting for drive
sprocket
❑ For camshaft timing
chain (right-side)
❑ Asymmetric version
❑ Installation position
⇒ page 88
2 - 42 Nm
3 - Camshaft adjuster for ex‐
haust camshaft
❑ Identification “Exhaust”
❑ Removing and installing
⇒ “1.5 Removing timing
chain from camshafts”,
page 89
4 - Bolt for camshaft
❑ Renew
❑ Pre-tightening torque:
60 Nm
❑ Final tightening torque:
80 Nm + 90°
5 - Bolt for camshaft
❑ Renew
❑ Pre-tightening torque:
60 Nm
❑ Final tightening torque:
80 Nm + 90°
6 - Camshaft adjuster for inlet
camshaft
❑ Identification “Intake”
❑ Removing and installing
⇒ “1.5 Removing timing
chain from camshafts”,
page 89
7 - Camshaft timing chain (right-side)
❑ Before removing, mark running direction with paint. If a used chain rotates in the opposite direction when
it is refitted, this can cause breakage.
❑ Removing from camshafts ⇒ page 89
❑ Removing and installing ⇒ page 96
8 - Chain tensioner for camshaft timing chain (right-side)
❑ Removing and installing ⇒ page 98
Audi A8 2003 ➤
10-cylinder direct petrol injection engine (5.2 ltr. 4-valve), mechanics - Edition 10.2013
1. Chain drive
87