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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Cooling System (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4))) >> 19 Cooling System >> Radiator/Radiator Fan >> Overview - Radiator/Radiator Fan

Overview - Radiator/Radiator Fan

WARNING: This page is about a different variant/trim than selected.
Fig 1: Exploded View Of Radiator/Radiator Fan (Vehicles Without High-Voltage System)
GWWA19-12272Courtesy of AUDI OF AMERICA, LLC
  1. Radiator
  2. Plug
    • Not available separately.
    • Do not open
  3. O-Ring
    • Not available separately.
  4. Coolant Hose
    • Lift the clamp to remove
    • Connecting. Refer to Fig 2.
  5. O-Rings
    • Replace if damaged or leaking
  6. Coolant Hose
    • Lift the clamp to remove
    • Connecting. Refer to Fig 2.
  7. Coolant Ventilation Line
    • To the coolant expansion tank
    • Lift the clamp to remove
    • Connecting. Refer to Fig 2.
  8. O-Ring
    • Replace if damaged or leaking
  9. Rubber Bushing
    • For the radiator
  10. Sleeve
  11. Retaining Pin
    • Disengage and remove using the screwdriver
  12. Air Duct
  13. Rubber Bushing
    • For the radiator
  14. Radiator Bracket
  15. Bolt
    • 5 Nm
  16. Backing Plate
  17. Bolt
    • 4.5 Nm

Connect the Connector Coupling 

Fig 2: Coolant Hoses Connector Coupling
GWWA19-12078Courtesy of AUDI OF AMERICA, LLC

-- Replacing the damaged clip -4-.

-- Replace the damaged O-ring by removing the O-ring -2- from the connector coupling -3- with a suitable tool (do not use a sharp tool). While doing this, make sure the connector coupling and the O-ring seat are not damaged.

-- Moisten the new O-Ring with coolant.

-- Press the connector coupling -3- onto the connection -1- until it engages audibly.

-- Push the connector coupling on again and pull it to make sure the connector coupling is engaged correctly.