At what milage do I have to change my timing belt/chain in my 2009 corolla on 2009 Toyota Corolla

1.8 liter 4 cyl.

Asked by for the 2009 Toyota Corolla
No recommended interval for replacing the timing CHAIN, which your engine DOES have! Normally you do not replace it at all.
1 more answer
if timimg chain not to worry, timing belt 100k