Audi A8 2003 Maintenance Manual page 84

Audi A8 2003 ➤
Maintenance - Edition 06.2014
– Unscrew bolts -1- for connector rail.
– Release connectors -2- for ignition coils and at the same time
unplug all connectors from ignition coils -3-.
– 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 79 ).
– 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 79 ).
Continue installation in reverse sequence.
3.45.3 10-cyl. petrol engine 5.2 ltr. FSI
Special tools and workshop equipment required
♦ Spark plug socket and extension - 3122B-
80
3. Maintenance
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