The above vehicles may experience a slow coolant loss due to a defective exhaust gas recirculation (EGR) radiator housing.
In case of coolant loss, the AGR radiator housing (Figure 1) should be examined closely. A crack is sufficient to allow a small amount of coolant to leak out. Due to its installation position, the AGR radiator is difficult to get to. To replace the component, proceed as follows:
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
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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