Removing heating/fresh-air unit

→ Avoid contact with refrigerant.

→ Wear personal protective gear.

→ Observe the safety regulations for working on air-conditioned vehicles and dealing with refrigerant.

→ Observe the safety regulations for extraction and filling systems.

→ Observe the instructions for repairing air conditioning systems and storing spare parts.

Information 

Before re-installing the component, check the O-rings on the refrigerant lines for damage and replace them if necessary.

The O-rings on the refrigerant lines must be coated with refrigerant oil.

All refrigerant lines and connections must be closed off using suitable stoppers during removal.

Stoppers for lines and connections must not be opened until shortly before installation.

1. Remove fresh air/recirculated air/ram air housing.
2. Unscrew fastening screws -1-  on the air-conditioning lines -2-  .
3. Disconnect air-conditioning line -2-  from the expansion valve.

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4. Remove air guides for dashboard outlet vents at the left and right.

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5. Remove screws on heating/fresh-air unit (on driver's side).

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   1. 5.1. Fold carpet outwards at the upper edge.
   2. 5.2. Unscrew screw -1-  on the threaded joint for the heating/fresh-air unit -2-  .
6. If installed in the vehicle:  Remove air guide for the air vent in the rear center console -C-  .
7. Loosen air guides for rear footwell outlet vents -A and B-  from intermediate piece -D-  and remove intermediate piece -D-  .

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8. Release and disconnect electric plug connection for servo motors -1-  .

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9. Remove heating/fresh-air unit from the vehicle.