Originally Posted by
Lucas_R
....crazy. Sounds like it needs checking and cleaning every 12-18 months then.
Seems to be quite variable how quickly the "black frog spawn" builds up.
Mine needed cleaning at 2 years/15,000Km, and I'm going to have it cleaned at 3 years to see how bad it is then, and therefore whether it needs to be cleaned every year.
There are a few theories around as to the possible cause. One I can debunk is different haldex fluids are better than others, as it is all the same fluid, regardless of which bottle it comes in (made by one factory in scandinavia is what I read).
2017 MY18 Golf R 7.5 Wolfsburg wagon (boring white) delivered 21 Sep 2017, 2008 Octavia vRS wagon 2.0 TFSI 6M (bright yellow), 2006 T5 Transporter van 2.5 TDI 6M (gone but not forgotten).
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