There is no maintenance schedule for replacing a timing chain. Timing chains are designed to last the life of the engine and are normally replaced during a complete engine rebuild.
It does not have a timing belt. The cam is chaindriven.
at how many miles is it before you change your timing belt
There is no timing belt on a 305 unless it is an aftermarket belt drive system.
Before it breaks
8 degrees before top dead center.
when should i change the timing belt on a mercury villager
ssaaa
if its 2002 /2003 with timing chain get the updated tensioner and new chain fitted before it jumps as these do at 50,000!
It would be best to change the timing belt at or before 100k miles.
The timing chain does not have a recommended change interval and should last for the life of the engine.The timing chain does not have a recommended change interval and should last for the life of the engine.
All timing belts should be changed before 100,000 Miles
the miles are 81000 of Honda odeysse 2004, When should change of timing belt?