Make sure you are aware at what kind of engine you have, whether it be a interference engine or a non-interference engine. They work very differently from each other and so you'll have to take different approaches to each.
The timing belt should be replaced every 100,000 miles.
It has a timing chain. Should last the life of the car.
It has a timing belt that should be replaced every 90,000 miles. The water pump should also be replaced as it is driven by the cam belt.
Most manufacturers recommend replacing the timing belt every 70,000 miles.
The chain should last the life of the engine and is normally replaced during a complete engine rebuild.
never needs to be replaced
the manufacture reccomends it be replaced in 90,000 miles
Timing chain usually needs to be replaced each 180-200K miles.
It doesn't have a timing belt. It has a timing chain and it will last the life of the engine.
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.
The 1995 Nissan Maxima has a timing chain, not a timing belt. If the shop is telling you that you need to replace the engine's timing belt, time to find a different mechanic!
This truck has a timing chain, not a belt. The chain will last longer than a belt and should not be replaced until it fails.