A faulty or sluggishly operating coolant thermostat can result in an excessively high coolant temperature or a poorly running engine on the above mentioned vehicles.
If the coolant thermostat opens sluggishly, inadequate coolant circulation will affect the engine cooling system and can result in the above mentioned symptoms. To rectify the problem, it is necessary not only to fit the modified thermostat, but also to replace the thermostat housing with the modified thermostat housing.
Service part no (ET no.)
1 piece: ET no.: 17670-77E10 thermostat
1 piece: ET no.: 17690-77E01 thermostat housing
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.
Not helpful at all
Very helpful