A872225201014617
Service Bulletin Details
Public Details for: A872225201014617
This bulletin contains instructions for properly cleaning and removing a musty odor from the heating and ventilation system.
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Technical Service Bulletin 87 Unpleasant odor is coming from the heating and ventilation system 87 22 25 2010146/17 April 16, 2022. Supersedes Technical Service Bulletin Group 87 number 21-13 dated May 4, 2021, for reasons listed below. Model(s) Year VIN Range Vehicle-Specific Equipment All 2010 – 2023 All Not Applicable Condition REVISION HISTORY Revision Date Purpose 17 - Revised header (Added model year 2023 and new model codes) 16 05/04/2021 Revised header (Added model year 2022 and new model codes) Revised Warranty (Remove test rides) 15 04/30/2020 Revised header (Added model years and refined model codes) Revised Required Parts and Tools (Remove solution price, separate tables for Parts and Tools, and updated tool number) Customer states: • There is an unpleasant, musty odor coming from the heating and ventilation system. • The odor usually occurs when the vehicle has been sitting unused for five hours or more. • The odor usually occurs within 20 to 60 seconds after the vehicle is started. Technical Background Condensation, which is a normal condition in all A/C systems, can cause a musty odor. If the odor is noticeable in the vehicle when the engine is not turned on, the cause may be mold and mildew in the passenger compartment, and not be related to the A/C system. All other possible sources of the odor must be investigated before this bulletin can be performed. Before proceeding, consider the following: © 2022 Audi of America, Inc. Page 1 of 6 All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Technical Service Bulletin • The evaporator housing drain must be open and free of debris. • The cabin must be sealed with no water ingress into the passenger compartment. • The plenum drains must be clear and free of debris. The pollen filter must be clean and free of moisture. Production Solution Not applicable. Service Contaminants are effectively neutralized by the Aircomatic® II Ultrasonic Climate System Cleaner (VAS 6189A) and Airco-Clean® Ultrasonic Air Conditioning Treatment (VAS 6189/1). No other cleaning methods are permitted. 1. If the vehicle is equipped with an in-cabin pollen filter (such as in the A3, A6, and Q7), remove the pollen filter element and reinstall its cover before proceeding. 2. Start the engine. 3. Adjust the following climate control settings (Figure 1): • Set the temperature to its lowest setting. • Set the fan speed to its lowest setting. • Set the airflow direction to the dash vents only. Figure 1. Climate control settings. • Activate recirculation and ECON modes. 4. Thoroughly shake a 100ml bottle of treatment and empty it into the filling chamber (Figure 2). Figure 2. Pouring the treatment into the filling chamber. © 2022 Audi of America, Inc. Page 2 of 6 All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Technical Service Bulletin 5. Connect the outlet tube (Figure 3). Figure 3. The connected outlet tube. 6. Place the cleaning unit into the passenger side footwell, ensuring that the unit is as level as possible. 7. Connect the unit power cord, and route it through one of the windows, which should be slightly open (Figure 4). All other windows and the sunroof should be completely closed. Figure 4. The window is slightly open so that the cord can pass through. 8. Turn the unit on and position the outlet tube so that the vapor is drawn into the recirculation air intake (generally in the passenger side footwell area; see appropriate repair information for exact location). 9. Close all doors. The atomized cleaning fluid will begin to come out of the vents. After 15-20 minutes, the treatment is complete and the machine stops automatically. 10. If the vehicle is equipped with a four-zone climate control system with 2 evaporators (such as Q7 and A8), repeat the procedure for the rear A/C unit before proceeding. Use the same A/C settings listed above. Position the outlet tube toward the fresh air inlet vent for the rear unit. The configuration of the Q7 is shown to the right (Figure 5). 11. Figure 5. Correct positioning of the outlet tube on a Q7. After the procedure, air the vehicle out for approximately ten minutes. 12. Check the Aircomatic® manual for instructions for unit maintenance after each use. Warranty © 2022 Audi of America, Inc. Page 3 of 6 All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Technical Service Bulletin • This bulletin is allowed only once per vehicle. The vehicle must be within its first 12 months of service and under NVLW. • There must be an original customer concern of the specified odor symptom on the repair order for this bulletin to apply. Adding this procedure on is not permitted. • Subsequent applications, should they become necessary, will be the customer’s responsibility. • Replacement of the pollen filter under warranty is not allowed within the performance of this procedure. The pollen filter is covered only where specified at the appropriate maintenance interval. When the procedure applies to vehicles under warranty, use the following: Claim Type: 1SP Service Number: 8760 Damage Code: 0049 Labor Operations: All models except R8: A/C clean - All models 8701 2999 70 TU 8701 3099 135 TU A/C clean 8701 0599 210 TU GFF No allowance 0 TU Road test prior to service No allowance 0 TU with single evaporator A/C clean - All models with two evaporators R8: Diagnostic Time: procedure Road test after service No allowance 0 TU procedure Claim Comment: © 2022 Audi of America, Inc. As per TSB 2010146/17 Page 4 of 6 All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Technical Service Bulletin All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual. Claims are subject to review or audit by Audi Warranty. Required Parts and Tools Always check with your Parts Department and/or ETKA for the latest information and parts bulletins. Part Number Part Description Quantity See ETKA Fasteners, Bolts, Nuts, and Screws as needed See ETKA/ELSA per the Repair Manual VAS 6189/1 Airco-Clean® Ultrasonic Air Conditioning 1 bottle (For models with a Treatment (100ml bottle) single evaporator) 2 bottles (For models with two evaporators) Tool Number Tool Description VAS 6189B © 2022 Audi of America, Inc. Page 5 of 6 All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Technical Service Bulletin Aircomatic® II Ultrasonic Climate System Cleaning unit Additional Information All parts and service references provided in this TSB (2010146) are subject to change and/or removal. ©2022 Audi of America, Inc. All rights reserved. The information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites without the prior expressed written permission of the publisher. © 2022 Audi of America, Inc. Page 6 of 6 All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.