WHY A LOUD NOISE UPON START LIKE SOMETHING IS LOOSE on 2006 Chrysler Town & Country

lOUD NOISE AT START. NO NOISE AFTERWARDS. THE NOISE SOUNDS LIKE THE FAN OR SOMETHING IS LOOSE

Asked by for the 2006 Chrysler Town & Country
3 answers
colder season usually time to check your belt if its older than two years i would replace it especially this area it gets really hot during summer the belt stretched out.
Check heat shield on cat converter,between converter and floor.
loud metallic noise? like a loud banging rattle? have the flex-plate checked