Volkswagen Transporter T6 - Loss of coolant

Data sheet
ManufacturerVolkswagen
Vehicle modelTransporter T6
EngineAll with 2.0 litre diesel engine
Year of manufacture2015 - 2019
SymptomsLoss of coolant

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.

Coolant indicator lamp lights up and/or increased coolant temperature

If the coolant indicator lamp lights up on the vehicles mentioned above and/or the engine temperature is elevated, the cooling system should be checked for leaks.

Particular attention should be paid to the thermostat housing. Here, the O-ring may be the cause of the error.

If there is a leak there, the thermostat housing should be removed and the O-ring (06B121119B) replaced. Before assembling, ensure that the contact surfaces are thoroughly cleaned. The cooling system must then be filled and vented in line with the manufacturer's specifications.


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