I have been reading on this forum to change the fuel filter on an average of every 10k miles. Okay, recently I spoke with a GM tech and he said 25,000 to 30,000 is what they do. And at a $100 a pop, what gives?

I would go with every 10,000 to 12,000. Also shop around for a better price.


That same dealer would probably give you a hard time if your injectors go bad....telling you the filter need to be changed.http://www.dieselplace.com/forum/smileys/hihi.gif

I think gm says 15000 miles in manual. I would not go any more than this after looking at my fuel filter I cut open after 15000 miles ......lets just sat kinda dirty. My dealer was charging me 39.00 to change filter until last time then they said they made a mistake it should be 109.00 i said i dont think so. I figured out I could do it myself for 30.00-40.00 and about 15 minutes worth of work.All the auto parts stores have the filter in stock

Your GM tech is misinformed . There is an actual TSB stating warranty "issues" if you do not change your OEM filter at 10K intervals.


There is plenty of information here on the subject,dig in. In addition there is a well written DIY by a resident GM Tech Eric explaining the proper change procedure.


If you aren't interested in doing a quick print of the procedure and I'm sure you can find someone to save you a few bucks.


Save the old cans and receipts with mileage documentation if your concerned of dealer questioning you.





Mac








Edited by: Mackin

Thanks guys! I really don't want to mess around with $47,000 at this point in my life!


Appreciate your input!


Amy

whiskey girl, Where in MI are you located?


As for the filter stuff, dealer is close on price that dealers get, but intervals are wayyyyyy off

I have seached high and low for this so called"TSB" replacing the duramax's filter at 10,000 miles....in a nut shell it's a load of crap.....


GM's owners manual states to replace your fuel filter very 15,000 miles. that's all you need to do to maintain your warranty....as far as the fuel system goes that is.


one thing most people forget to do is at your first oil change is to replace your spin on trans filter....just unscrew it transfer the magnet and tighten, then top off trans w/ dextron III.

DTech,


About an 1 1/2 south of the Big Mac and near a Great Lake. LOL!

Clear can for fuel filter?


Too bad someone wouldn't manufacture a 2 micron fuel filter in a clear plastic case. One could then visually monitor the condition of the filter and have a better idea of when it needed to be changed. No need to remove and cut it open! You'd also be able to see if there was any water in the bottom, much like the old sediment bowls of days gone by. Is this too far out?


Richard

It costs me 17 bucks for a baldwin filter.Fifteen minutes at best and one time out for a beer to change.Changed it once at 3000 with my newly installed racor 660 and just now changed the pair at 13,000.Regardless what manuel says I will continue to change at 10 grand intervals.I'll still probably have injectors problems down the line but it won't be for lack of preventive maintenance on my part.http://www.dieselplace.com/forum/smileys/smiley2.gif

Also if dealers are getting 109 dollars to change that fuel filter I am in the wrong line of work.......http://www.dieselplace.com/forum/smileys/smiley9.gif

Clear can for fuel filter?


Too bad someone wouldn't manufacture a 2 micron fuel filter in a clear plastic case. One could then visually monitor the condition of the filter and have a better idea of when it needed to be changed. No need to remove and cut it open! You'd also be able to see if there was any water in the bottom, much like the old sediment bowls of days gone by. Is this too far out?


Richard


The Racor can be had in 2 micron and it comes with a clear reusable bottom (plastic) like the sediment bowls of days gone by http://www.dieselplace.com/forum/smileys/smiley2.gif I was researching an adapter to mount a racor 660 on the stock filter head, but moving and a new job etc. has gotten in the way. BTW it's not rocket surgery, it has already been done by others.


sorry about including my post in your quote, it's early you know





Edited by: a64pilot

Whiskey girl I ordered my filters through Filter1 and had no problems. They got here quickly and I ordered over 6 filters so there was no shipping. After dealing with them I will surely use them again. The prices were fantastic I looked into ordering Wix filters locally and the best I could find was twice as much as filter1. I have 3 brothers with DMaxs so ordering over 6 filters is very easy to do.

DTech,


About an 1 1/2 south of the Big Mac and near a Great Lake. LOL! gotchahttp://www.dieselplace.com/forum/smileys/smiley17.gif

Is Racor still the only manufacturer of Dmax fuel filters?

If you want to maintain your warranty then do what the manual says.


If you want to help prolong the life of the injectors and avoid having to deal with a problem--then you change the filter more often and also add additional filtering as mentioned on this site.


It all depends on the quality of fuel you get.


My dealer told me that the commercial accounts that they have now change the filter every 5k miles. The saw a dropoff in injector problems once that was done.....but they are still seeing injector failures.


No hard numbers to any of this--just the service managers words.

The mechanics of filters Air, oil or fuel is interesting. As the filter gets used and getting dirty with particles, it actually filters finer and finer particles. So as it is used it's filtering performance actually improves. The corollary is that it's flow rate decreases as it gets clogged with particles.<?:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />


You are really changing the filter so the flow rate does not go too low so as to starve the engine. Additionally you could even collapse an oil or fuel filter if it is clogged too much and not well made.


So here’s the dilemma you want to keep the filter in as long as possible and change it before the flow rate gets too low.


The 15K fuel filter change is GM's recommendation based on average fuel dirt from the pumps. Pick up a lot of dirty fuel and you would have to change sooner. Pick up good clean fuel you could go longer the 15K. Warrantee says 15K.


I changed my fuel filter last time @ 16K and cut it open and it was not even ½ dirty.

The mechanics of filters Air, oil or fuel is interesting. As the filter gets used and getting dirty with particles, it actually filters finer and finer particles. So as it is used it's filtering performance actually improves. The corollary is that it's flow rate decreases as it gets clogged with particles.


<?:NAMESPACE PREFIX = O /><O:P></O:P>


<O:P>Not all together true. I filter does do a better job as it gets plugged, but at the same time it can get bad enough that it will pull particles through the media. This is especially true with air filters. Changing your filters sooner is better all the way around. </O:P>


<O:P></O:P>


<O:P>Greg</O:P>


<O:P></O:P>


<O:P>Greg </O:P>

The reason the OEM still looks good at 15K is because it lets 45% of the 2 to 4 micron particles through. Later! Frank

Whiskey Girl,


Reference the link below and follow the opening post for all your Preventative Maintenance intervals. Copy it to Word, print it, and put it in your glovebox. It was put together by Dmaxallitech (Erichttp://www.dieselplace.com/forum/smileys/smiley16.gif) using the Owner's Manual, experience, and common sense. Follow it and you can't go wrong.


http://dieselplace.com/forum/forum_posts.asp?TID=1779&amp;PN (http://dieselplace.com/forum/forum_posts.asp?TID=1779&amp;PN=1) =1


P.S.--If you have a friend or neighbor who is somewhat mechanically inclined, see if they will change the fuel filter for you if you don't care to tackle it yourself. Or maybe there is another Dieselplace member who lives close to you who would be willing to show you how.


Good Luck!

currently have 76,000+ miles on our '02 (w/ '01 injectors), with the blessing of my local dealer, added a post OEM Mega somewhere around 25,000 miles ... for warranty doucmentation, still change the OEM filter every 15,000 miles ... realizing that I could experience an injector failure at any moment, she's had absolutely no problems to date


Jim