A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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Unplug connector - C -.
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Screw out bolt - B - (tightening torque 7 Nm).
NOTE: To avoid having to remove brake servo, loosen and tighten bolt - B - using ratchet - A - from 1 / 4 inch socket wrench set with 2 long
extensions - C -, universal joint - D - and a socket attachment - E -.
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Screw out bolts - A - (tightening torque 7 Nm).
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Unfasten water drain - D - from opening in plenum chamber or from air intake unit.
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If necessary, unfasten wiring harness (installed in plenum chamber between plenum chamber front wall and air intake unit) from the various
holders.
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Remove air intake unit - E -.
Installing
Install in reverse order, paying attention to the following: