The 1997 Ford 4.6 does not have a timing belt. The cam is driven by a chain which should last a life of the engine.
80,ooo miles
I believe that is at 105,000 miles
Every 100,000 miles.
I have a 1997 Infinity J30 and it has a timing belt. I changed it at 140,000. Yes, change it before you have big problems.
105K miles
According to the 1997 Mercury Villager Scheduled Maintenance Guide : The timing BELT should be changed at ( 105,000 miles ) * also , the Gates website shows it to be an INTERFERENCE ENGINE so if the timing belt breaks , engine damage will occur
VW say it should be changed every 60,000mls
It has a Timing belt that should be changed regularly. If it fails, it can cause very expensive damage to the engine. 60-80K miles interval for change.
It does not have a timing belt, it has a chain.
The timing belt should be changed after 100.000km. (60,000 miles)
in answer to your question the timing belt should be changed every 55/60 thousand miles
The 2002 Accent booklet states that the Timing Belt should be changed at 60,000 Miles.