All 1997 Chevy Cavlier Z24 (2.4 Litre engine) have a timing chain, that typically never needs to be replaced except in case of engine damage. On this vehicle the timing chain also runs the water pump.
It depends on what engine you have.
chain
Timing chain.
The 4.3 liter V6 engine in a 1997 Chevy Blazer has a timing CHAIN
chain
The timing chain is on the front of the engine. Your drive belt tensioner pulley is bolted into the timing chain housing.
No belt. It has a chain.
It has timing chain and gears. NO belt.
Chain
It has no Timing Belt, it has a Timing Chain.
The timing chain should last the life of the engine and not maintenance is normally required. It is replaced when the engine is rebuilt.
SORRY, But it don't have a timing belt. It has timing chain and gears.