Timing belt or chain?

[Bogdan]

2015 Toyota Corolla have timing belt or chain?

 

[wimpog]

Timing belt

 

[jolly]

No... Timing chain. All Toyota's Z engines have timing chain.

 

[CZAROMAR]

So Timing Bell or Chain ?

 

[jolly]

Chain. Again, all Toyota Z engines use chain. See for yourself.
http://physics.usc.edu/Undergraduate/temporary/corolla2009/2zrfeeng.pdf