Check it at each oil change, and replace when dirty.
No, just replace the filter.
This vehicle does not have a cabin filter. There is nothing to replace.
The filters are either ver dirty or clogged which wont allow the water to filter properly. I recommend that you replace the filters.
Filters are used to take impurities out of something. So you have to occasionally change your filters so they continue to take out the impurities.
you don't clean fuel filters you replace them
Yes, but I do not recommend Fram filters as they are inferior in quality. Purchased a Purolator filter that will replace your Briggs filter. Any auto parts store that sells Purolator filters can cross-reference your Briggs filter.
Different years of Outbacks have different fuel filters. Some don't have a filter outside of the gas tank.
to replace your fuel filter.you need to loosen off your gas tank and your filter is right on top of the tank do not replace this filter on a regular basis because it filters the fuel on the way out of the tank
It depends on the type of filter... different filters are designed differently. You would need to tell us the model or type of filter.
Every few months. It depends on the type of filter. It also depends on what filter you buy. The better the filter the longer it will last.
That will depend entirely upon the type of furnace you have. There are filter less furnaces, so if you have one, you won't need filters. Otherwise, if your furnace requires a filter, you will need to purchase filters and replace them regularly. If you have the owners manual, that will tell you if the furnace needs a filter.
The filter, or filter bypass valve is clogged, replace the filter and then the valve; if the filter replacement does not fix it. (NOTE: Some cars have the bypass filters in the oil filter, others do not)