The oil is gonna be either the seal on the oil pan or your oil drain plug ain't tight enuf. Water pumps are alot of fun. if it's a front wheel drive car and you want to change the water pump then you might want to grab some friends, drinks and grill out cuz they are alot of fun. Timing belts. When you take the old belt off DO NOT let the crankshaft or the camshaft move. same for putting the belt on. DON'T LET THEM MOVE. if you need more detailed information leave the make, model, year, type of engine and whether it's front rear or 4wd.
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