Hi, I have a 99 F250 HD with the 5.4 engine and when I start it in the cold there is a loud rattling noise comming from the front end. The noisegoes away in about 10 min. after it warms up. Does anyone know what this is? Please help! Thanks, Joe

 

sounds like main bearings they could be worn,oil could be to thick,oil filter could be clogged,engine could be gummed[sludge]up