In the vehicles mentioned above, there is a risk of the turbocharger failing due to water ingress.
The ingress of water into the pressure canister or position sensor on the turbocharger may cause damage to the components. This impairs control of the turbocharger. Error codes are stored in the control unit. In some cases, the engine may cease to run except in "emergency running" mode.
This issue applies to vehicles with the following turbochargers:
Garrett 806850-xxx (2.3 JTD)
Garrett 796122-xxx (3.0 JTD)
In order to permanently remedy the issue, the following points should be observed when replacing components:
All Fiat service measures must be complied with. For example, there is a modification to the water drainage system above the engine. For more information, please contact your authorized dealer.
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.