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whenever you change the oil
About every 12 to 18 months
You need to change the filter with every oil change. Nissan recommends every 3750 miles.
3 months 3000 miles
Factory recommendation is every 7500 miles for most driving styles.
form_title= Mericruiser Oil form_header= Like people, cars need constant care. Change your oil. When was your oil last changed?*= _ [50] How often do you change your oil?*= _ [50] Do you always use Mericruiser oil?*= () Yes () No
Depending on the model of car, the oil should be changed every 5,000-6,000 kilometres or 3 months, which ever comes first.
Change the oil filter every time you change the oil.
Change it every 5,000 miles if you use conventional oil or every 7,500 if you use synthetic oil. Also change the filter at every oil change.
Brake fluid does not need to be changed as oil is but constantly needs to be replenished.
The engine oil should be changed every 3000-5000 miles
Need more information about the vehicle and what type of oil you're using. Traditionally, it's 3000 miles, but modern oil filters don't normally have to be changed as frequently.