A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
Housing Assembly HVAC: Overhaul
Air Routing in Air Intake Housing and A/C Unit
Air Routing in Air Intake Housing and A/C Unit
‹› This illustration shows the "Comfort" A/C system; some components are not part of the "Basis" A/C system.
‹› The activation of the different doors in the vents and the temperature doors differs between the "Basis" and "Comfort" A/C systems
‹› In order to show the air flow in the air intake house and in the A/C unit, both these components are shown cut open through the "A - A" and " B -
B" lines.
‹› From January, 2008, A/C units which have an additional connection for the glove compartment cooling are being installed. On vehicles without
glove compartment cooling, this connection is sealed with a plug. Refer to=> [ Glove Compartment Cooling ] See: Description and Operation/A/C
System Components Inside Passenger Compartment
‹› This illustration shows the A/C without a connection for glove compartment cooling. On vehicles with glove compartment cooling, the cooled air
comes directly past the evaporator into the glove compartment. Refer to=> [ (Item 8) Evaporator ].
1
Air Conditioner Unit
‹› Different versions, depending on the "Comfort" and " Basis" A/C systems. Refer to => [ A/C Unit Air Intake Housing ] See: A/C Unit Air
Intake Housing
2
Air Intake Housing
3
Fresh air intake
‹› The air is extracted out of the plenum chamber. Refer to => [ Fresh Air Intake ] See: Air Register/Service and Repair/Instrument Panel Vents