This question has been asked many times on this site, use the search. But to answer again, it has no scheduled replacement interval, replace if it is making a lot of noise. It has been known to last more than 400,000 miles.
timing chain
timing chain.
timing chain
If you mean Toyota Corolla it has a timing chain. No maintenance is required.
The 3.0 Toyota V6 has a belt that must be replaced every 90,000 miles.
I have good news for you. All 2001 Toyota Tacoma 4 cylinder engines cam are driven by a Timing Chain and no replacement is necessary. The Toyota Tacoma V6 has a Timing Belt that must be replaced every 100,000 miles. It is an interference engine so it is critical that it be replaced on time.
Timing Belt.
Yes, it does.
yes
The 3.0 liter V6 engine in a 2001 Toyota Avalon has a timing BELT
V6 has a belt and the 4 cylinder has a chain.
No. It has a timing belt.