Quote:
Originally Posted by snapdragon
https://www.ebay.co.uk/itm/AUDI-A8-4...-/332302365216
4E0121113 This is the usual culprit, Audi call it a Coolant Regulator.
I don't know about 4.2TDI location though but seems to be present on many VAG models, from Golfs to Bentleys, including our A8 3.0 TDI, W12 and others. Usually it's beside the gearbox where the coolant pipes enter it or behind the radiator near the bottom.
When it fails, coolant can bypass the main thermostat and run through the radiator and autobox even when cold.
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Cheers Snap. I assume these are perishable items that need servicing/replaced after a while. Anyone done on theirs?
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A8L 3.0 TDI sport executive 2014.
Audi A2 1.4 petrol 2002
SOLD. Audi A8L 4.2TDI Silver 2006
Seat Ibiza 1.4tdi Eco 2008 Silver (£0 Tax)sold
NO VCDS rely on Neeldub
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