Audi A8 2010 - Page 91

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– Position puller - T40039- on thick rib at 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 2 - installing spark plugs:
– Install new spark plugs using spark plug socket and extension
- VAS 3122B- and tighten to specified torque (table
⇒ page 86 ).
– 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 onto ignition coils
so that they engage.
– Plug electrical connectors into actuators for camshaft adjust‐
ment so that they engage.
– Install connector rail, screwing in securing bolts to specified
torque (see table of tightening torques for installation
⇒ page 86 ).
Continue installation in reverse sequence.
3.47.2 6-cyl. petrol engine 2.5 ltr. FSI, 3.0 ltr.
TFSI
Special tools and workshop equipment required
♦ Spark plug socket and extension - 3122B-
Audi A8 2010 ➤
Maintenance - Edition 11.2014
3. Maintenance 87