A customer of mine has a premium SUV of a German Nobel brand. This was equipped 3 years ago ex factory with an AHK, there was only the option to be suspended or swivelled. Due to the striking price difference and over 750kg trailer load difference the removable one was taken, a rigid one is no longer offered during this motorization. Towing load 3250kg. Already after a short time with caravan he has crunchy noises in the underbody of the vehicle. Was not further bad or did it and the manufacturer said this was a noise transmission from the old (14 years) WoWa. Now he bought a Hobby Premium 720U-LHC from me last year (9.8m long, 2700kg curb weight). The crunching and crackling was hard to bear. We found out that the AHK in the weight-absorbing holder is totally knocked out and has game. The manufacturer said that this is quite normal, because this lateral force on the AHK gives the AKS for which the e was not designed, especially with this huge furniture of WoWa. The hook was changed, after a short time the same came again. The manufacturer says now he should not pull any more WoWa, that cannot be the 130,000 EUR expensive car. At least he should not use the AKS. The problem is that the two steel balls that lock the head are totally scratched and crushed and you can also find clear traces of the AKS (ALKO) on the ball head. There is no fixed AHK. One could retrofit it under immense costs, but this can only 2500kg, with which the WoWa can no longer be pulled. Someone there experiences, is the statement of the manufacturer so correct? Can one simply forbid the customer the use of the AKS even though it is required in the instructions, especially since the vehicle has trailer ABS and the trailer ASS? I had at the Avensis then also after 12 months and 9800km with WoWa a new head, cut out and extremely worn out, brand product….