Fuel Filter

Perrysburg Dodgeboy wrote:
Were you a major brand or a no name independent. Hard to complete with the big boys when it comes to diesel.

Don

I'm not understanding your question. Was your question at me?

To another RVer from the great state of Texas.
. Check your owner's manual carefully to see what it states about duration of chg fuel filter.
. After all, what the manuals reads may matter the most if you have warranty issues down the road.
. If I recall correctly, my 2009 D/A manual states that fuel fil must be chg at least every 15,000 miles (or maybe every 12 months). (Manual is resting inside my truck out in the extreme bitter 38 degree cold of E Texas)...

Were you a major brand or a no name independent. Hard to complete with the big boys when it comes to diesel.

Don

When I owned a mom and pop station, all of our fuel was filtered. The filters are behind the cover.

The Mom & Pop stations may not have filters at the pumps but all the major brands have them at the pumps behind the covers or at the hose. I never buy fuel from no name stations.

Don

I change mine every 10,000 miles. Even thought RAM SAYS 15,000. $55-60.00 once a year and 15 mins of time is pretty cheap.

I don't believe that places that sell diesel have filters to filter out contaminants. There may be exceptions but if so they are few.

I change my oil every 10,000 and the fuel filter gets changed too. Cheap insurance.

My way is to change the filter one time each year. 6000 miles is the most we drive each year and the job is easy so why not?

chevman

sidney wrote:
As the filter clogs... isn't it causing increased flow and increased pressure on the unclogged portions of filter element... leading to a potential filter element tear and failure?

In extreme cases with a paper particulate filter yes. These trucks do not have these types of filters.

They have a coalescer filter on them. Particulate filters are pretty much 2 dimensional and trap contamination only on the surface. Coalescer filter are 3 dimensional micro fiber so they can hold two, three times as much or more and trap contamination throughout the whole filter.

In short, the coalescer filters can hold a lot of stuff with no pressure drop.

Do the new engines measure the pressure drop across the filter? I suspect so, and that would be why they know exactly when to change it. But don't know for sure. Even the old ones measured the rail pressure so it wouldn't take much to measure pressure drop across the filter so the puter knows when it's time to change the filter. :)