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Home >> Audi >> 2012 >> A8 Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> 4.2L - Cooling System - Engine Code: CDRA >> 19 Cooling System >> Radiator/Coolant Fan >> Radiator/Coolant Fan Overview
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Radiator/Coolant Fan Overview

Radiator 

Fig 1: Radiator/Coolant Fan Overview
GWWA19-11001Courtesy of AUDI OF AMERICA, LLC
  1. Coolant Hose
    • To the coolant reservoir
    • Lift the retaining clamp to remove
    • Connecting, refer to Fig 2
  2. O-Ring
    • Replace
  3. Coolant Hose
    • Lift the retaining clamp to remove
    • Connecting, refer to Fig 2
  4. O-Ring
    • Replace
  5. Coolant Hose
    • Lift the retaining clamp to remove
    • Connecting, refer to Fig 2
  6. O-Ring
    • Replace
  7. Radiator
  8. Air Guide
  9. Condenser
  10. Hydraulic Fluid Cooler
  11. Retaining Pin
    • Disengage and remove using screwdriver
  12. Rubber Buffer
  13. Rubber Bushing
    • For the radiator
  14. Rubber Buffer
  15. Bolt
    • 3.5 Nm
  16. Air Guide
  17. O-ring
    • Replace
  18. Coolant Hose
    • Lift the retaining clamp to remove
    • Connecting, refer to Fig 2
Fig 2: Connecting Coolant Hose Coupling
GWWA19-10572Courtesy of AUDI OF AMERICA, LLC

-- Remove the old O-ring -2- in the coolant hose -3-.

-- Coat the new O-ring with coolant and install it in the coolant hose.

-- Press the coolant hose onto the connection -1- until it engages audibly.

-- Press the coolant hose on again and pull to make sure the connection is engaged correctly.

Fan Shroud/Coolant Fan 

Fig 3: Identifying Fan Shroud And Radiator Fan Overview
GWWA19-11004Courtesy of AUDI OF AMERICA, LLC
  1. Coolant Fan 2 -V177-
  2. Coolant Fan -V7-
  3. Fan Shroud
  4. Bolt
    • 3.5 Nm
  5. Left Air Guide
  6. Fan Wheel
    • The bolt must lock into the hole.
  7. Bolt
    • 5 Nm
  8. Fan Wheel
    • The bolt must lock into the hole.
  9. Bolt
    • 5 Nm
  10. Right Air Guide
  11. Bolt
    • 3.5 Nm