It must have a timing CHAIN because Gates ( they make timing belts etc. )
doesn't list a timing belt for the 1999 Saturn 1.9 L
( no ) The 1.9 liter four cylinder engine in a 1999 Saturn S series has a timing CHAIN
Timing chain
A timing chain, that needs to be replaced, can cause your engine to run rough and lose power. A broken timing chain can cause significant engine damage.
You must remove the Timing chain cover and engine girdle.
a timing chain
It has a Timing Chain.
The 3.0 litre V6 engine in a 1999 Infiniti I30 has a timing CHAIN
The 3.8 litre V6 engine in a 1999 Ford Mustang has a timing CHAIN
It has a timing chain that should last the life of the engine.
The 3.4 litre V6 engine in a 1999 Pontiac Trans Sport has a timing CHAIN
The 3.0 litre V6 engine in a 1999 Infiniti I30 has a timing CHAIN
All of the 4 cylinder Saturns use a timing chain. All of the 6 cylinder Saturns use a timing belt.