A4 Quattro Sedan L4-2.0L Turbo (CAEB) (2009)
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Pull the ignition coil about 30 mm out of the spark plug shaft using a puller (T40039).
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Release electrical connectors and remove them evenly from ignition coils.
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Remove spark plugs with Spark Plug Removal Tool 3122 B.
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Install new spark plugs.
Removing the ignition coils from cylinder bank 2:
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Remove the coolant reservoir - arrow - and disconnect the electrical connector on the engine coolant level (ECL) warning switch (F66) on the
bottom of the coolant reservoir.
