Most timing belts have a life expectancy of 60K. It can let go with no warning and with some engines (interference engines) it will do serious damage when it does.
90,000 miles
According to the Gates website ( they make timing belts etcetera ) The 3.0 litre V6 engine in a 2000 Toyota Avalon has a timing BELT
How do you change a fan belt for a 2000 Toyota Avalon
How to change toyota avalon 2000's transmision oil?
belt
remove timing belt and cam gears and backing plate to access water pump
Factory recommendation to change the spark plugs on a 2000 Toyota Avalon is 120.000 miles.
how doyou change a timing chain vwjetta 2000 1.8t
A 2000 Chevy S10 does not have a timing belt.
I checked Fords scheduled maintainence guide and the Gates website ( they make timing belts etc. ) for the 2000 Ford Ranger , and both sites show to INSPECT the timing belt at 120,000 miles and CHANGE IF NECESSARY for the 2.5 liter - 4 cylinder engine in a 2000 Ford Ranger
It doesn't have a timing belt.
I had two changed on my 2000 Avalon, and I paid about $350, parts and labor.