Engine: A16XER / A18XER
The above vehicles can experience engine overheating due to a defective coolant thermostat.
Micro-cracks in the thermostat housing can allow wax filling to escape so that the thermostat no longer opens. In extreme cases, this could lead to engine damage.
Starting with the following vehicle identification number, the vehicle manufacturer has already installed an improved thermostat at the plant:
VIN: W0LGM67C191102001 -
Please keep this information in mind, especially if there are complaints with regard to engine/coolant temperature.
Tip: If the vehicle falls within the affected range of vehicle identification numbers, the thermostat should be replaced as a precaution even if there are no complaints like those above.
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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