audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Coolant pump, map-controlled engine cooling system thermostat > < Checking cooling system for leaks
Radiator, radiator cowl and radiator fans - exploded view
   
Radiator, radiator cowl and radiator fans - exploded view
Radiator and radiator fans
1 - Retaining clip
2 - Radiator outlet coolant temperature sender -G83-
q   Removing and installing → Chapter
3 - Air duct
4 - Coolant hose
q   Lift retaining clip to detach
q   Connecting → Fig.
5 - O-ring
q   Renew
6 - Radiator
q   Removing and installing → Chapter
q   If renewed, change coolant in entire system
7 - Coolant hose
q   Lift retaining clip to detach
q   Connecting → Fig.
8 - O-ring
q   Renew
9 - Coolant pipe
q   To coolant expansion tank
q   Press release ring to detach
q   Connecting → Fig.
10 - O-ring
q   Renew
11 - Rubber bush
q   For radiator
12 - Retaining pin
q   Use screwdriver to release and pull off
13 - Air duct
14 - Condenser
q   Removing and installing → Rep. gr.87
15 - Air duct
16 - Rubber bush
q   For radiator
17 - Radiator bracket
18 - Bolt
q   5 Nm
19 - Washer
20 - Bolt
q   4.5 Nm
21 - O-ring
q   Renew
22 - Coolant hose
q   Lift retaining clip to detach
q   Connecting to radiator → Fig.
23 - O-ring
q   Renew

   
Radiator cowl and radiator fans
1 - Radiator fan -V7-
q   With radiator fan control unit -J293-
q   Removing and installing → Chapter
2 - Radiator fan 2 -V177-
q   With radiator fan control unit 2 -J671-
q   Removing and installing → Chapter
3 - Radiator cowl
q   Removing and installing → Chapter
4 - Bolt
q   3.5 Nm
5 - Fan wheel
q   Pin must engage in hole
6 - Bolt
q   5 Nm
7 - Fan wheel
q   Pin must engage in hole
8 - Bolt
q   5 Nm
9 - Bolt
q   3.5 Nm

   
Connecting coolant hose with plug-in connector
–  Remove old O-ring -2- from coolant hose -3-.
–  Lightly lubricate new O-ring with coolant and fit O-ring in coolant hose.
–  Press coolant hose onto connection -1- until it engages audibly.
–  Press coolant hose in again and then pull to check that plug-in connector is correctly engaged.
  A19-10572

Coolant pump, map-controlled engine cooling system thermostat > < Checking cooling system for leaks