CFag

Thanks for your reply. Hadn’t thought of it like that as normally driving front wheels only. So my question then is if I disconnect the haldex system is the ecu going to ‘burn out’ if it’s got no resistance/feedback from the pump?

Hi. First time poster. Kodiaq rear diff makes a real clunk noise and vehicle ‘jumps’ as if rear diff is suddenly releasing when on tight lock manoeuvring around car park for example. Happens in both forward and reverse after driving about 5-10yards. Removing fuse for haldex pump (obviously gives lots of warning lights on dash) but the noise/issue disappears and car drives fine. I’ve had a haldex service done and lots of debris on the filter and in oil. It was last serviced (and pump replaced due to a different noise in diff) 3 years/30k miles ago. The recent service didn’t solve the current problem so I have had a new pump fitted thinking it might be the pump burnt out but unfortunately this hasn’t solved the issue either. So at 8-9years old and 145k miles on the clock I’m reluctant to spend a huge amount more on it, not knowing the problem. Does anyone have any experience of this? Or any thoughts on me just removing the prop shaft so rear diff is not driven and drive it in 2wd effectively. I don’t need the 4wd. Alternatively I could just unplug the haldex pump (which doesn’t throw any error messages) but might burn out ecu over time? any suggestions welcome. Thanks Charlie