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Home >> Audi >> 2020 >> SQ8 Premium Plus >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning (2 Of 3) >> 87 Air Conditioning >> Air Routing >> Fresh Air Intake, Removing And Installing >> Overview - Heating And A/C System Front Fresh Air Intake >> Fresh air intake version "1"

Fresh air intake version "1"

GWWA87-11840Courtesy of AUDI OF AMERICA, LLC
  1. Fresh Air Intake Opening in the Plenum Chamber Rear Panel
  2. Nut
    • 3.5 Nm
    • Tightening sequence: tighten the nuts diagonally in multiple steps to the specified tightening sequence
    • If the tightening sequence is not followed, water can enter via the sealing surface in the opening for the fresh air intake and then in the air intake shroud of the heater and A/C unit.
  3. Air Intake Box with Seal to Plenum Chamber - Rear Panel
    • Check the air intake box and seal for damage and correct assembly before installing
  4. Outer Cover for Fresh Air Intake Box (Rain Water Drain Channel)
    • Before installing, check the outer cover for damage. If the cover is damaged, water can enter the air intake shroud for the fresh air intake and thus the heater and A/C unit.
    • When installing, pay attention it is seated correctly in the fresh air intake. If the fresh air intake is not installed correctly, water can run into the heater and A/C unit air intake shroud.
  5. Humidity Sensor in Fresh Air Intake Duct -G657- / Air Quality Sensor -G238- / Exterior Air Quality and Humidity Sensor -G935-
  6. Inner Cover for Fresh Air Intake Box
    • Before installing, check the inner cover for damage. If the cover is damaged, water can enter the air intake shroud for the fresh air intake and thus the heater and A/C unit.
    • When installing, pay attention it is seated correctly in the fresh air intake. If the fresh air intake is not installed correctly, water can run into the heater and A/C unit air intake shroud.
  7. Air Intake Box with Water Drain Grommet
    • Check the air intake box and water drains for debris, function, damage and correct assembly before installing
    • Check the line connection to Humidity Sensor in Fresh Air Intake Duct -G657- / Air Quality Sensor -G238- for correct routing.
  8. Nut
    • 3.5 Nm
    • Tightening sequence: tighten the nuts diagonally in multiple steps to the specified tightening sequence
    • If the tightening sequence is not followed, water can enter the air intake box and then the air intake shroud of the heater and A/C unit.