Volkswagen Transporter T6 - Loss of coolant

Data sheet
Manufacturer	Volkswagen
Vehicle model	Transporter T6
Engine	All with 2.0 litre diesel engine
Year of manufacture	2015 - 2019
Symptoms	Loss of coolant

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.

Mini F56 - water ingress in the vehicle interior

In the Mini F56, water may collect in the driver or front passenger footwell. You can find the solution here.

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VW T6 - engine does not reach operating temperature

In the VW T6l it can happen that the engine temperature display stops at approx. 70 °C. No errors are stored in the engine control unit. Here’s the solution

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Nissan Navara (D40) - Constant coolant loss

A steady loss of coolant discovered in a Nissan Navara may be caused by cracks in the cylinder head. What can be done?

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BMW 1 Series - Air conditioning system noises

An undefinable buzzing noise heard in the BMW 1 Series when the air conditioning is switched off may be caused by the air conditioning compressor

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Renault Scenic - Replacing the cabin filter

Replacing the cabin filter is a little complex. It is located in the left-hand area of the passenger footwell. Here are some tips on how to replace it.

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MCC Smart (451) - Replacing the cabin filter

In the Smart 451, the cabin/pollen filter is changed from the driver's footwell. We show you how to perform the change to a professional standard.

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Kia Sportage - poor air-conditioning performance

If the performance of the air-conditioning system in the Kia Sportage is inadequate when outside temperatures are high, the following is a possible cause

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Mazda 3 BL Noises coming from air conditioning compressor

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Ford Focus C Max Loss of refrigerant

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Fiat Grande Punto Compressor noise with air conditioning system switched off

Reading time: 1 minute

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