Overview - Auxiliary Radiator

Fig 1: Exploded View Of Auxiliary Radiator

Courtesy of AUDI OF AMERICA, LLC

Air Duct
Lower Front Auxiliary Radiator
- Removing and Installing. Refer to LOWER FRONT AUXILIARY RADIATOR, REMOVING AND INSTALLING, 2.9L ENGINE .
Grommet
Bolt
- Tightening specification:
  - Radiator with cast plenum chamber: 6 Nm
  - Radiator with plastic plenum chamber: 3.4 Nm
Air Duct
Radiator for Coolant Circuit for Transmission
Grommet
Coolant Hose Line
Nut
- 9 Nm
O-Ring
- Replace after removing
Bleed Screw
- Install all the way by hand
Air Duct
Right Front Auxiliary Radiator
- Removing and Installing. Refer to RIGHT AUXILIARY RADIATOR, REMOVING AND INSTALLING, 2.9L ENGINE .
Nut
- 20 Nm
Grommet
Bracket
- For auxiliary radiator
Nut
- 9 Nm
Coolant Thermostat
Grommet
Coolant Hose
Front Auxiliary Radiator
- Removing and Installing. Refer to FRONT AUXILIARY RADIATOR, REMOVING AND INSTALLING, 2.9L ENGINE .
- If the catches for the condenser are damaged, replace the auxiliary radiator
Bleed Screw
- 1.5 to 3.0 Nm
O-Ring
- Replace after removing
Bolt
- 5 Nm