A3 Quattro V6-3.2L (BUB) (2008)
Heater Core: Service and Repair
Air Conditioning / Heating
Heat Exchanger
Special tools, testers and auxiliary items required
‹› Hose Clamps, Up to 40 mm. (3093) and Hose Clamps Up to 25 mm dia. (3094)
‹› Compressed air gun, commercially available
‹› Cooling System Tester (V.A.G 1274) (and corresponding adapter)
‹› Preliminary work for removing the heat exchanger. Refer to => [ Preliminary Work for Removing Heat Exchanger ] See: Preliminary Work for
Removing Heat Exchanger
Removing
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Perform the work to prepare the heat exchanger for removal. Refer to => [ Preliminary Work for Removing Heat Exchanger ] See: Preliminary
Work for Removing Heat Exchanger
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Remove 4 bolts - A - and remove cover - B -.
‹› This illustration depicts the version of A/C unit with electric auxiliary heater
‹› Cover - B - is different versions (for vehicles without or with electric auxiliary heater).
‹› If lever - C - is located in an unfavorable position so that top bolt - A - is not accessible, switch ignition on and select a different temperature
setting (e.g. "Hi" setting on A/C control head Climatronic Control Module (J255) / "temperature rotary switch at Warm stop" setting on A/C