Audi A8 2003 Maintenance Manual page 87

– Remove bolts -arrows- and detach air cleaner (top section).
– Remove bolts -1- and -3- for connector rail.
– Release connectors for ignition coils and unplug all connectors
from ignition coils at the same time.
– Place connector rail slightly to one side. Make sure that wiring
is not kinked or damaged.
– Position puller - T40039- only on thick rib at the top of ignition
coils and detach all ignition coils from spark plugs one after
the other in direction of -arrow-.
– Unscrew spark plugs from cylinder head using spark plug
socket - VAS 3122B- .
Step 3 - installing spark plugs:
– Install new spark plugs using spark plug socket and extension
- VAS 3122B- and tighten to specified torque (table
⇒ page 81 ).
– Fit all ignition coils loosely into spark plug apertures and align
with connectors of connector rail.
– Push ignition coils evenly onto spark plugs by hand (do not
attempt to knock in coils with any kind of tool).
– Align connector rail and plug all connectors simultaneously
onto ignition coils so that they engage.
– Install connector rail, screwing in securing bolts to specified
torque (see table of tightening torques for installation
⇒ page 81 ).
Continue installation in reverse sequence.
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
3.45.4 12-cyl. petrol engine 6.0 ltr. MPI
with respect to the correctness of information in this document. Copyright by AUDI AG.
Special tools and workshop equipment required
Audi A8 2003 ➤
Maintenance - Edition 06.2014
3. Maintenance
83