The above vehicles may experience a gradual coolant loss, the cause of which is often not immediately clear.
To determine the cause of the coolant loss in the TDI engines with the code letters 'BKD', proceed as follows:
Should the above methods fail to determine the source of the coolant loss, the following potential causes must also be considered:
Important safety notice
The following technical information and tips for practical use have been set up by HELLA in order to offer professional support to automotive workshops in their daily work. The information available here on this website is only to be used by appropriately trained specialist staff.
The reprinting, distribution, reproduction, exploitation in any form and disclosure of the contents of this document, even in part, is prohibited without our express written approval and indication of the source. The schematic illustrations, figures and descriptions are for explanation and presentation of the document text and cannot be used as a basis for installation or design. All rights reserved.
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