S5 Quattro Coupe V8-4.2L (CAUA) (2009)
‹› The Right Temperature Door Motor (V159) is installed only on vehicles equipped with the "Comfort" A/C system.
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Remove the screw - B -.
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Remove the screw - C -.
‹› The bolt - C - , on vehicles equipped with the " Comfort" A/C system, was already moved when the Right Footwell Door Motor (V109) and the
Right Center Vent Motor (V111) were removed.
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Remove screws - D -.
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On vehicles equipped with a Auxiliary Air Heater Heating Element (Z35)loosen the cables - G - from the right radiator housing - E -. Refer to => [
Auxiliary Air Heater Heating Element ] See: Service and Repair/Removal and Replacement/Heating System
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Disconnect the right radiator housing - E - (together with the Right Temperature Door Motor (V159)) from the A/C unit; when doing this, pay
attention to the lever on the door for the dash panel vents - F - ("right center" on vehicles equipped with the "Comfort" A/C system, or "center " on
vehicles equipped with the "Basis" A/C system).
Installing
Installation is carried out in the reverse order, when doing this note the following.
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Check the heat exchanger - A - and evaporator - B - for dirt; clean if necessary.
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Check the foam seals on the heat exchanger - A - and on the Auxiliary Air Heater Heating Element (Z35) - C - (or on the honey comb on vehicles
without an Auxiliary Air Heater Heating Element (Z35)) for damage.
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Check the springs on the A/C unit - B - and the grooves - A - on the right radiator housing - C - for damage.