remove the belt if it still clanks major motor problems
There are several things that can cause a clanging noise on your 2004 Toyota. A loose exhaust pipe is the most common cause.
struts and shocks could be bad go to a mechanic and have them checked
A knocking noise when coasting in a vehicle could be caused by issues with the engine, transmission, suspension, or brakes. It is important to have a mechanic inspect the vehicle to determine the exact cause of the noise.
Probably a worn out suspension bushing.
A clanging noise on the passenger side of a 3.8L Pontiac Trans Sport engine during cranking could indicate several issues, such as a failing starter motor, damaged flywheel, or a loose or damaged accessory component like the alternator or power steering pump. It’s also possible that the noise is related to internal engine damage, such as a broken timing chain or loose components. Given the loss of power and electrical issues, it's advisable to have the vehicle inspected by a professional to diagnose the problem accurately.
Loud, confused, harsh noise; a loud, continuous, rattling or clanging sound; clamor; roar., To strike with confused or clanging sound; to stun with loud and continued noise; to harass with clamor; as, to din the ears with cries., To utter with a din; to repeat noisily; to ding., To sound with a din; a ding., of Do
Loud, confused, harsh noise; a loud, continuous, rattling or clanging sound; clamor; roar., To strike with confused or clanging sound; to stun with loud and continued noise; to harass with clamor; as, to din the ears with cries., To utter with a din; to repeat noisily; to ding., To sound with a din; a ding., of Do
Check exhaust system (hangers) Check heat shield on catalytic converter
Could be one of a number of things, as it could be in any vehicle.
That would be your transmission. It may be slipping, or you may be lossing a gear. Have it checked.
Have vehicle scanned to determine the problem
have it checked you could have bent the axle and the noise would be the bearing