A8 Bj 97 - After interior ventilation replacement only mild ventilation

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#1
Original: German · machine translated
Dear Audi fans,

I have the following problem with my father's A8:
The A8 has a solar roof and the known higher wear of the fan motor. That's how it hit the fan in our house. We had him exchanged in a free workshop - the master there always does good work -. Contrary to the partly very detailed instructions described here in the forum, he only exchanged the fan from the interior. I don't know how he did this.

The new fan runs from the sound like the old one, very well audible on maximum power, but only a lukewarm fan comes into the interior, even with maximum fan power. The interior air filters are new. If you switch the entire airflow upwards on the climate control panel, for example, you hear that inside flaps are moved and the airflow is also a little stronger, but still much too weak.

Do you have an idea what you need to check and/or do you know someone who knows a workshop (ideally in the greater Düsseldorf area)?

Thank you in advance for your assessments!

Best regards

Michael
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#2
Ich könnte mir bei den Symptomen gut vorstellen, dass das Gebläse falsch herum montiert ist.Es dreht sich in die falsche Richtung. Das ist schon einigen passiert.
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