audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Heater/Air Conditioner Assembly, Servicing|Page 9487 > < Heater/Air Conditioner Assembly, Servicing|Page 9485
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Housing Assembly HVAC: Service and Repair
Heater/Air Conditioner Assembly, Remove and Install

Heater/Air Conditioner Assembly, Removing and Installing

CAUTION!

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Obtain security code for anti-theft radio.

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Note customer's pre-set radio stations.

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Move power seats to most rearward position.

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Switch off ignition and disconnect battery ground (GND) strap.

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Release pressure in coolant system by opening cap at coolant expansion tank.

WARNING!

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With hot engine, cooling system is under pressure.

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Coolant expansion tank cap must be removed slowly.

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Dispose of used coolant properly. Check local regulations.

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Do not re-use used coolant.

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Clamp coolant hoses -A- and -B- with VAG3094 (or equivalent) and remove from heater core inlet/outlet.

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Place catch basin below heater core connection -A- and carefully blow coolant out of heater core with compressed air through connection -B-.

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Remove boot -C-. 

CAUTION!
A/C refrigerant system must be discharged before removing heater/air conditioner assembly.

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Discharge refrigerant system.

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Remove bolt -A-.

Heater/Air Conditioner Assembly, Servicing|Page 9487 > < Heater/Air Conditioner Assembly, Servicing|Page 9485