audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Bottom Section of Housing and Air Distributor Housing, Disassembly and Reassembly|Page 8780 > < Bottom Section of Housing and Air Distributor Housing, Disassembly and Reassembly|Page 8778
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Housing Assembly HVAC: Removal and Replacement
Removing

Removing

NOTE:

-

On removal, note down bolt lengths and assignment for re-installation.

-

All cable ties and other wiring harness fasteners released or cut open on removing air conditioner unit are to be re-attached in same position on
installation.

-

Drain refrigerant circuit:

-

Switch ignition on.

-

Move power seats to rearmost position.

-

Switch off ignition.

-

Remove dust and pollen filter

-

Remove E-box cover and engine control module.

-

Remove dome brace with reinforcement to cowl panel trim.

-

Remove windshield wiper completely.

-

Remove pump valve unit.

-

Protect driver and passenger seat using seat cover.

-

Disconnect negative terminal clamp from Battery A.

NOTE:
-

Before disconnecting Battery A, obtain anti-theft radio security code if necessary.

-

On vehicles with electrically adjustable seats, move the seats back as far as possible before disconnecting the Battery A.

-

Remove dash panel complete with dash panel cross member.

-

Remove brake master cylinder and brake booster.

-

Remove complete foot pedal assembly with mounting bracket.

-

Disconnect refrigerant lines from evaporator connection.

-

Remove Rotation Rate Sensor G202

-

Remove brackets - A - and - B - (depending on A/C unit version, only brackets - B - or - A - are installed).

-

Remove air guides to footwell vents.

-

Disconnect evaporator drain hoses from heating and A/C unit

-

Disconnect harness connectors to heating and A/C unit.

Bottom Section of Housing and Air Distributor Housing, Disassembly and Reassembly|Page 8780 > < Bottom Section of Housing and Air Distributor Housing, Disassembly and Reassembly|Page 8778