Rattles back with avengeance cud do with some help it starts fine runs for about 5 mins then it starts rattles at tick and while you drive untill the revs go above 3500 rpm and the rattle goes away but returnes when the revs die down oil and filter been changed aux belt removed and rattle still there im thinking oil pump or big ends (ouch) any one offer any other advice im at the moment on with removing timing covers to check the the guides the chain was tight aswell this time before i removed the tensioner