audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking cooling system for leaks > < Radiator and radiator fan - exploded view of components
Removing and installing radiator
Removing and installing radiator
Special tools and workshop equipment required
   
t  Hose clip pliers -V.A.G 1921-
  W00-0464
Removing
–  Remove noise insulation panels (centre, left and right) -arrows-.
–  Drain off coolant → Chapter.
  A10-0161
–  Detach electrical connectors -arrows- for radiator fan on bottom left of radiator cowl.
  A10-0415
–  Unplug electrical connector -2- at radiator fan thermal switch -F18-.
Vehicles with air conditioning:
  WARNING
The air conditioner refrigerant circuit must not be opened.
  Note
To prevent damage to the refrigerant lines, ensure that the pipes and hoses are not stretched, kinked or bent.
–  Detach refrigerant line -1- from radiator.
  A19-0236
All models:
–  Remove top coolant hose -1- at radiator.
–  Remove bumper cover (front) → Rep. Gr.63.
Vehicles with air conditioning:
  WARNING
The air conditioner refrigerant circuit must not be opened.
  Note
To prevent damage to the condenser and refrigerant pipes/hoses, ensure that the pipes and hoses are not stretched, kinked or bent.
  A10-0927
–  Remove bolts -4- for condenser.
–  Tie up condenser to lock carrier with wire.
All models:
–  Remove bolts -3- at radiator.
–  Unscrew bolts -1- for lock carrier.
–  Slacken bolts -2- two turns.
–  Carefully move lock carrier to front as far as possible (2nd mechanic required) and remove radiator with radiator fan downwards.
  A19-0043
Installing
Installation is carried out in the reverse order; note the following:
  Note
Renew O-rings in coolant hose connections.
–  Fit mountings -3- and -4- on radiator as illustrated.
–  Fit securing bolts for radiator (the help of a 2nd mechanic is required).
–  Install lock carrier with attachments → Rep. Gr.50.
–  Install bumper cover (front) → Rep. Gr.63.
–  Fill cooling system → Anchor.
Tightening torques
  A19-0115
ComponentNm
Radiator cowl to radiator10
Radiator fan thermal switch -F18- to radiator35
Refrigerant line to radiator10
Condenser to radiator10
Radiator to lock carrier15
Hose clips for coolant hoses2

   

Checking cooling system for leaks > < Radiator and radiator fan - exploded view of components