S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
Housing Assembly HVAC: Overhaul
A/C Unit, Overview
Heating And A/C Unit, Disassembling And Assembling
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Removing add-on components from air conditioner.
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Removing heater elements and air guides from air conditioner.
1
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Bolt
2
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Intake housing
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Do not disassemble further
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With recirculated-air flap and two air flow/fresh-air flaps
3
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Bracket
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For evaporator refrigerant lines
4
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Air guide
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Consists of top and bottom section
5
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Evaporator
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Check for complete insulation at refrigerant lines
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Installing seal to evaporator.
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Check type of seal at connections and refrigerant lines (must be designed for same type of seal).
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The evaporator removed contains refrigerant oil which has to be returned to the refrigerant circuit.
6
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Evaporator seal
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Installing seal to evaporator.
7
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Air distributor housing
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Not to be disassembled
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With temperature flaps and air distributor flaps
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The coupling elements in the air distributor housing between temperature flaps 1 and temperature flaps 2 are visible after removing the air
distributor housing.
8
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Footwell vents, front