A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
Housing Assembly HVAC: Service and Repair
Heating and A/C Unit, Disassembling and Assembling
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. Bolt
2. 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. Bracket
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For evaporator refrigerant lines
4. Air guide
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Consists of top and bottom section
5. 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 Refrigerant R134a Servicing
6. Evaporator seal
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Installing seal to evaporator
7. 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