i had a leak between water pupm housing an main housing on the block. i opened it and changed gasket on it. i also changed crank shaft and other selas on the main housing. since them i am getting oil on my timming belt and cam shafts. and the car also gets low on water. it also doeasnt feel that strong. i dont know what should i do. i also started getting fuel cut. sometimes when i turn on the car it also idles really bad. and when i turn it off after driving it, it has a sizzling noise near turbo manifoild. i dont know what it could be. any ideas guys. plz help me out