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Air Intake Housing With Recirculating and Air Flow/Fresh Air Door






Air Intake Housing with Recirculating and Air Flow/Fresh Air Door

Removing

- Remove the complete instrument panel and instrument panel crossmember.

- Remove the A/C unit (heater). Refer to => [ A/C Unit ] Removal and Replacement.

- Disconnect the connector - A -.






- Mark wire connection to connector - B - (to Air Flow Door Motor (V71) ) and disconnect it (danger of interchange since connectors - B - and - C - are of identical construction).

- Mark wire connection to connector - C - (to Recirculation Door Motor (V113) ) and disconnect it.

- Remove bolts - D -.






- Remove the air intake shroud from the A/C unit (heater).

When replacing, ensure correct allocation. As a replacement part, there are different versions for vehicles with and without Fresh Air Intake Duct Temperature Sensor (G89) , with one or two motors and for operating the installed doors. Refer to the Electronic Parts Catalog.

The Audi TT does have a fresh air intake duct temperature sensor. If necessary, seal off the installation opening with a grommet.

Air intake shrouds with two positioning motors are installed on the Audi TT at this time.

Installing

Reinstall all removed components in the opposite sequence while observing the following:

- When attaching air intake housing, make sure mounting points - F - and - G - are seated correctly.

- Install the wiring harness so that it cannot come in contact with any moving parts (for example, the motor actuating arm).

- Install the A/C unit (heater). Refer to => [ A/C Unit ] Removal and Replacement

- Install the complete instrument panel and instrument panel crossmember.

- Check Climatronic control module (J255) DTC memory and erase any possible displayed malfunctions using Vehicle diagnosis, testing and information system (VAS5051B) under "Guided Fault Finding".

- Perform a basic setting and output diagnostic test on the A/C unit (heater) and check the DTC memory one more time using Vehicle diagnosis, testing and information system (VAS5051B) under "Guided Fault Finding".

- Operate the A/C system after filling the refrigerant circuit. Refer to=> [ A/C System, Operating After Filling Refrigerant Circuit ] A/C System, Operating After Filling Refrigerant Circuit.

Note the information regarding operating the A/C system after filling.