replace only when u get a check engine light. the valve is good for the life of the motor(should be)
It should last as long as the engine.
They are replaced when they go bad.
30000 mile intervals. also replacement of the fuel filter is recommended at the same time. every 2 spark plug replacements the wires should also be replaced
One week
What you meant to ask is how often should the timing belt be replaced! And the answer is every 90,000 miles for b2000 model.Ok
When they wear out.
about every 2 years
The Honeywell filter should be replaced every 8- 12 months or as needed.
Although there is no set on how often your brakes should be replaced, I would just pay attention to your car. When you notice something wrong, I would call your auto body shop.
every 6 months i think
Whenever they get REALLY yucky, or ripped apart.
Eyeglasses should be replaced typically every two years. Eyeglasses can break or if expiration is past then a new examination should be taken to get a new pair.