Timing chain is usually replaced at 200K.
it has timing chains on the back side of the engine, it would need to be overhauled (Removed out of the car) to be replaced
It should last the life of the engine and is normally replaced during a complete engine rebuild.
The 2013 Hyundai Elantra has a timing chain. The timing chain the 2013 Elantra does not need to be replaced ever.
You are correct that the SL2 uses a timing chain. However, since it uses a timing chain it does not need to be replaced as does the timing BELT. In general, a timing chain should last the life of the engine.
Timing chains are designed to last the life of the engine. Replace the chain when the engine is overhauled.
Under normal conditions the timing chain will last the life of the engine. It is normally replaced during a complete engine rebuild.
Normally a timing chain will last the life of the engine and is replaced during a complete engine rebuild. No maintenance is normally required.
there is no timing belt -- only a timing chain that does not need to be replaced
chain. if you hear a clattering noise the timing chain and timing chain tensioner need to be replaced they are usually sold as a kit
the LeSabre has a timing CHAIN. It does not need to be replaced. (unless you broke it :)
unless there is noise coming from the timing chain, you should never need to replace it.