Audi Q7: Radiator, Removing and Installing
Special tools and workshop equipment required
- Container of the Coolant Collection System -VAS5014- or the Shop Crane - Drip Tray -VAS6208-
- Elbow Assembly Tool -T10118-
Caution
This procedure contains mandatory replaceable parts. Refer to component overview prior to starting procedure.
Mandatory Replacement Parts
- O-rings - Left and right lower coolant hoses
- O-ring - Coolant expansion hose
- O-ring - Top coolant hose
Note
The radiator can only be removed and installed together with the charge air cooling circuit cooler.
Removing
WARNING
There is a risk of injury if the radiator fan turns on by itself.
The radiator fans can come on by itself even when the ignition is turned off, such as when heat builds up in the engine compartment.
- Remove the front noise insulation. Refer to → Body Exterior; Rep. Gr.66; Noise Insulation; Noise Insulation, Removing and Installing.
- Equipped on some models: remove the radiator shutter. Refer to → Chapter "Radiator Shutter, Removing and Installing".
- Remove the impact member. Refer to → Body Exterior; Rep. Gr.63; Front Bumper; Impact Member, Removing and Installing.
- Place the container of the Coolant Collection System -VAS5014- or the Shop Crane - Drip Tray -VAS6208- underneath.
- Lift the clamp -arrow- and remove the coolant hose from the lower right of the radiator and drain the coolant.
- Lift the clamp -arrow- and remove the coolant hose from the lower left of the radiator and drain the coolant.
WARNING
There is a risk of injury if the radiator fan turns on by itself.
Disconnect the connectors before working near the fan shroud.
- Disconnect the connectors -1 and 2- for the radiator fan.
- Lift the clip -arrow- and remove the coolant line from the charge air cooling circuit cooler.
- Versions without radiator shutter: release the left and right catches with the Elbow Assembly Tool -T10118- in direction of -arrows- and remove the upper air guide -1- and side air guide -2-.
Note
For clarity, the installation position is shown with the radiator removed.
- Versions with radiator shutter: release the left and right catches with the Elbow Assembly Tool -T10118- in direction of -arrows- and remove the side air duct -1-.
Note
For clarity, the installation position is shown with the radiator removed.
- Lift the clips -1 and 2- and remove the connection from the radiator and free it up.
- Disconnect the connector -2- for the High Pressure Sensor -G65-.
Caution
Risk of damaging the refrigerant lines and hoses.
Do not bend, twist or stretch the refrigerant lines and hoses.
- Release the left and right catches in direction of -arrows- disengage the condenser -1- from the radiator and tie up to the side.
- Place the container of the Coolant Collection System -VAS5014- or the Shop Crane - Drip Tray -VAS6208- underneath.
- Loosen the hose clamps -1 and 2- to remove the coolant hoses from the charge air cooling circuit radiator.
- Release the left and right catches in direction of -arrows- and remove the charge air cooling circuit cooler.
- Release the left and right catches in direction of -arrows- and remove the retaining pin -1- for the radiator upward.
- Remove the bolt -arrow- on the left and right.
- Remove the radiator.
- Press the fan shroud left and right locking tabs at the same time in direction of -arrow- and remove the fan shroud upward from the radiator.
Installing
Install in reverse order of removal and note the following:
Note
- If there are small impressions on the fins. Refer to → Chapter "Radiator and Condenser Assembly".
- Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Catalog.
- Connections and wire routing. Refer to → Wiring diagrams, Troubleshooting & Component locations.
- Install the radiator shutter. Refer to → Chapter "Radiator Shutter, Removing and Installing".
- Connect the coolant hoses with the connector coupling. Refer to → Fig. "Connect the Coolant Hose to the Connector Coupling".
Note
Used coolant cannot be used again.
- Fill with coolant.
Tightening Specifications
- Refer to → Chapter "Overview - Radiator/Radiator Fan"
- Refer to → Body Exterior; Rep. Gr.63; Front Bumper; Overview - Impact Member.
- Refer to → Body Exterior; Rep. Gr.66; Noise Insulation; Overview - Noise Insulation.
