A3 Quattro V6-3.2L (CBRA) (2009)
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Disconnect the connector - C -.
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Loosen securing ties of vehicle wiring harness on heater.
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On vehicles with an electric auxiliary heater (only on diesel vehicles), disconnect wire connections to voltage supply of Auxiliary Air Heater
Heating Element (Z35).
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Disconnect all electrical connections between vehicle wiring harness and the electrical components of heater at harness connectors.
‹› Wiring harness "heater" is removed along with heater.
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Carefully pull right side of heater slightly toward rear (far enough that bolt - B - on right bracket - A - can be loosened).
‹› Only pull carefully on the heater so that bracket - A - does not break.
‹› To loosen the screw - B -, reach between heater and floor mat on right wheel housing (to make this possible, fresh air blower has been removed
earlier).
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Remove bolts - B - and release bracket - A - from heater (bracket remains on wiring harness secure to vehicle).
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Disengage flange for coolant pipes to heater core - A - from pass-through of grommet - B -.