hello i have an ih 284 with a diesel and since last summer it has been over heating very often i do not have a manual and i do not know the service intervals. that being said i dont have any water in the oil i dont smell it burning water out the exhaust it seems alot of water is getting by the cap and out the over flow the cap is a 16lb does or has anyone had this problem there is about 7000 hours on the tractor its whole service life has been as a lawn mower. any help would be appreciated