A8L Quattro Sedan V8-4.2L (BVJ) (2007)
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Release electrical connectors and remove them evenly from ignition coils.
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Remove spark plugs using spark plug wrench (3122B).
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Install new spark plugs.
Installing ignition coils
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Loosely place all ignition coils in spark plug shaft.
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Align ignition coils to connectors and place all connectors evenly on ignition coils.
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Press ignition coils evenly by hand onto spark plugs (do not use a hammer under any circumstances).
Tightening Specifications
W12
Left cylinder bank
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Remove cover behind intake manifold - arrows -.
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Remove left cover in engine compartment - arrows -.