if you think your timing belt has more than 60k on it then you should definatly replace it, i owned my escort for 160k and the timing belt broke around every 60k, first u want to disconnect negative battery cable, than turn your engine to tdc, there should be indacation marks on your timing belt cover above your harmonic balancer, turn it to 0 degrees, support engin with jack, remove the entire engine mount that is in front of the engine cover, remove serp. belt and tensoiner, remove harmonic balancer, remover upper and lower timing belt shields, losen timing belt tensoiner let it fall back,( if tensoiner feels stiff or makes noise when you turn it you should replace it) remove timing belt.Remove bolts out of water pump and r and r water pump, then to replace belt start at the crankshaft and move counter clockwise till you get all the way around, make sure your alignment marks are still ligned up, then pry tensoin on your tensoiner till you get a decently still belt, then tighten tensoiner, then release pressure, hand turn engin 2 revolutoins, then check marks again, if ligned up then reverse procedure to reinstall everything, if marks are not lined up then remove belt and start al over again.
You should change the timing belt on a 2003 when it wears out or breaks. Changing the belt beforehand is not needed.
it should be checked every 3rd oil change 5-10000 km
It's a good practice to change the water pump when you are changing the timing belt.
it is behind the timing belt when changing this you should change the balance belt also the timing belt
The water pump should be driven by the timing belt, yes. If you change the water pump, you might wanna change the timing belt and tensioner while you're in there.
Unless a timing chain is making a noise or has jumped a tooth, they need not be replaced. Timing belts need changing according to the specs spelled out in the owner's manual.
when should i change the timing belt on a mercury villager
No, but you should, every second timing belt. All the same labor is required to change either part, and the cost of changing the timing belt or water pump is almost entirely labor cost. "While we're in there" is actually legitimate in this case.
Most suggest around 60K == Very important when changing a timing belt is to align marks and tension is correct. Its not just like changing a fan belt. Get it wrong and could cause thousands of damage to a modern motor.
Changing the timing belt should only be attempted by and experience mechanic. The directions are very detailed and complex. Not properly following the timing belt procedures can result in ruining the entire engine.
If it is noisy, the engine timing is hard to maintain, or the engine is performing poorly, it may need changing. Timing chains are very durable and usually last the life of the engine or until it needs an overhaul.
The timing belt should be changed every 90,000 miles.