I would say at least once every 3-4 months.
Whenever it gets dirty.
Every 15,000 miles.
Every other oil change, drain water valve once a month.
How often should you change the fuel filter?
Every 4000 miles. Change it when oil is changed, along with oil filters
Change the oil filter every time you change the oil.
Diesel, once a year or 15,000 miles. Gas, no service required. (it is part of the pump in the tank)
You should change a furnace filter every 2-4 months.
every 3000 miles
My garage have changed it at 5213 mileage, which seems very low to me? Any ideas?
when it is dirty
5000-7500 miles