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CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2009 Mazda Motor of America, Inc.
Subject:
AIR CONDITIONING MUSTY / MILDEW ODOR
Bulletin No: 07-002/09
Last Issued: 06/24/2009
Service Bulletin
Mazda North American Operations
Irvine, CA 92618-2922
MULTI-MODEL - AIR CONDITIONING MUSTY / MILDEW ODOR
BULLETIN NOTE
• This bulletin supersedes the previous bulletins 07-001/03 issued 05/02/03, 07-001/07 issued 06/08/07, and
07-006/08 issued 10/15/08. The APPLICABLE MODEL(S)/VINS and REPAIR PROCEDURE have been
revised.
• Changes are noted below in Red beside the change bar.
APPLICABLE MODEL(S)/VINS
2007-2009 CX-9
2007-2009 CX-7
2006-2008 MX-5
2004-2009 Mazda3
2003-2008 Mazda6
2000-2003 MPV
1998-2002 626
1998-2003 Protege
2002-2003 Protege5
1998 MPV
1998-2002 Millenia
1999-2005 Miata
DESCRIPTION
A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is
most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C evaporator/
cooling unit which is caused by condensation, dust, and pollen within the cooling unit. This condition is usually
worse during high humidity conditions. “Mazda Air Cooling Coil Coating” is available to encapsulate the mold to
reduce odors. If the product is properly applied, it can effectively reduce the musty/mildew odor for up to three
years.
NOTE: See parts information for Mazda Air Cooling Coil Coating and Kit part numbers.
