If these vehicles display an irregular coolant temperature value, the possibility of a bad ground connection to the thermostat housing bracket must be considered. To fix this problem, the ground cable (see figure) should be connected between the thermostat housing and the thermostat housing bracket.
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Additionally, check the thermostat housing for damage and replace if necessary.
Spare part: (spare parts) - number:
1 unit: Thermostat housing: 17690M79F20
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Spare parts: (spare parts) - number:
1 unit: Ground cable: 39313M82020
1 unit: Fastening bolt: 02142M05123
Important safety note
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