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 note
Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their day-to-day work. The information provided on this website is intended for use by suitably qualified personnel only.
Reprinting, distribution, reproduction, exploitation in any form or 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, pictures and descriptions serve only for the purposes of explanation and representation of the instructions and cannot be used as a basis for installation or assembly work. All rights reserved.
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