A5 Quattro Coupe V6-3.2L (CALA) (2009)
Heater Core: Service and Repair
Heating System
=> [ Heat Exchanger, Preparing for Removal ]
=> [ Heat Exchanger ]
Heat Exchanger, Preparing for Removal
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Switch on the ignition.
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Set the air flow direction to "DEF" on the Climatronic Control Module (J255).
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Move the passenger seats as far back as possible.
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Switch off ignition.
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Disconnect the ground cable form the Battery (A).
‹› Disconnect the Battery (A) ground connection so that it cannot short circuit when the jumper cable post - C - is removed.
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Remove the jumper cable post cover - C -.
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Remove the jumper cable post - C - from the strut dome and lay it to the side.
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Remove the air intake housing. Refer to => [ A/C Unit Air Intake Housing ] See: Heating and Air Conditioning/Air Register/Service and Repair.
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Disconnect the connector from the Evaporator Vent Temperature Sensor (G263). Refer to => [ Evaporator Vent Temperature Sensor ] See:
Heating and Air Conditioning/Discharge Air Temperature Sensor / Switch/Service and Repair/Evaporator Vent Temperature Sensor.
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Remove the right radiator housing. Refer to => [ Left and Right Radiator Housing Temperature Doors ] See: Heating and Air Conditioning/Air
Register/Service and Repair
‹› Heat Exchanger, removing. Refer to => [ Heat Exchanger ]
Heat Exchanger
Special tools, testers and auxiliary items required
‹› Hose Clamps Up To dia. 25 Mm (3094) or hose clamps up to dia. 40 mm (3093)
‹› Commercial compressed-air gun with rubber end piece
‹› Cooling System Tester (V.A.G 1274) (and corresponding adapter)
