Hey all just wondering if anyone has had any issues with a vibration and a gross kinda grinding noise when driving in high range. Kinda sounds like low oil issue.. recently had to replace a seal and some bearings behind bell housing area oil level on dipstick is right where it needs to be it calls for 12 liters only took like 8 to fill was drained where do u put/ check oil for the hst hydraulics are also kinda slow any ideas