chain
0 it has a timing chain.
Never. The Saturn S series vehicles used a timing chain instead of a timing belt. And the chain is inside the engine, bathed in oil to keep it lubricated. The timing chain should be replaced whenever you rebuild the engine.
There is no cam belt it is driven by a chain.
Sounds like your timing chain broke! Have you actually pulled the valve cover off and looked yet?
Chain.
ChainChain
It has a chain.
It has timing chain and gears. NO BELT
No, a timing chain.
Belt
Yes , it has a timing CHAIN