A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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In vehicles with an air intake unit of version "1" (floating conversion to version "2" as of 05.04, distinguishing characteristics for version "2"),
insert a sealing cord (dimension 2 x 2 mm) into groove - D - of upper cover - A - or seal groove/spring joint on housing - B - using e.g. silicon
adhesive sealant "D 176 001 A3".
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In vehicles with an air intake unit of version "1", seal the area between the upper cover - A - and housing - B - (and inner cover) in area - C - using
e.g. silicon adhesive sealant "D 176 001 A3".
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Re-install upper cover - B - of air intake unit.
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Hand-tighten bolts - A - (10 Ncm).
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Re-install components removed in reverse order.
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Check DTC memory of control and display unit, Climatronic Control Module J255 and erase any DTCs displayed "Guided Fault Finding"
function of Diagnostic operation system/Vehicle diagnosis service system VAS 5051 A/5052.
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If necessary, perform Basic Setting and Output Diagnostic Test Mode (DTM) for air conditioner "Guided Fault Finding" function of Diagnostic
operation system/Vehicle diagnosis service system VAS 5051 A/5052.