A6 Quattro Wagon V6-3.2L (BKH) (2006)
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Carefully pry off mounting bracket - 3 - using screwdriver - arrows 1 and 2 - and remove engine control module from E box right plenum chamber.
NOTE: Engine Control Module (ECM) remains connected at wiring harness.
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Remove electrical harness connector - 1 - from main fuse carrier - 2 -.
NOTE: Disregard - item 4 - and - item 5 -.
E box right plenum chamber, new version:
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Release clips - arrows - and remove one (or two) engine control modules - 1 - and - 2 -.
NOTE: The engine control modules remain connected at wiring harness.
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Remove bolts - arrows -.
CAUTION: Pump-valve unit of heater (left in front of E box) heats up significantly during operation - danger of burns.
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Remove cover of E-Box in right engine compartment.