Removing And Installing Camshaft Timing Chains - Audi A8 2003 Workshop Manual

2.3

Removing and installing camshaft timing chains

Special tools and workshop
equipment required
♦ Locking pin - 3242-
♦ Adapter - T40049-
♦ Locking pin - T40060- (2x)
♦ Adapter - T40061-
♦ Adapter - T40062-
♦ Drill bit 3.3 mm ∅ (2x)
♦ Drip tray
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Removing
Note
The crankshaft and camshafts must only be turned with the chain
drive mechanism fully installed. Otherwise the valves may strike
the pistons, causing damage to valves and piston crowns.
– Drain off engine oil.
– Remove engine
– Separate engine from gearbox
– Secure engine to engine stand
scissor-type assembly platform - VAS 6131 A- .
– Remove drive plate
– Remove timing chain covers
8-cylinder TDI engine (4.0 ltr. 4-valve common rail), mechanics - Edition 12.2013
⇒ page 7 .
⇒ page 28
⇒ page 33
⇒ page 64 .
⇒ page 86
.
, or leave engine on
.
Audi A8 2003 ➤
2. Drive chains for camshafts and valve gear
99