Exactly When Fuel Is Near A Davco Filter Top Do You Actually Need To Change It???
The fuel level in my Davco filter varies tremendously.
The other day, after engine was HOT but had been shut off for a few minutes, I found the fuel level to be right at the "change line". This weekend I went to change said filter, but found fuel level to be at the very bottom. So I fired up engine, idled for a few minutes, and level STAYED at the very bottom. So I shut off engine, and the level creeped up to near the middle of the filter. So I did not change it. So under which condition do you actually read fuel filter level? Note: My old Volvo truck had no Davco filter. The main filter dashboard light would come on when it needed to be change. But I would routinely run a few weeks past that point before changing, and eventually I would notice a drop in power due to restricted fuel flow. My current Volvo truck currently has NO noticeable drop in power. Thanks for your advise! |
I change mine once a month. It only costs about $30 to have them do it at the T/A or Petro, and at below freezing, I have no problems letting them do it LOL..... but I also get my oil changed once a month too (about 10,000 miles) so it's included. But before I did that, I did the fuel once a month and that's prob what kept my injectors going for over a million miles w/o a problem too.
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Also, my rig only has 1 fuel filter on it, not the dual set-up like most. I think if I had 2 filters I'd be more likely to skip a month. Also, I have been finding out that IL uses 20% bio-diesel and thats another reason I have been changing it more often. For the 1st few months it was clogging up every 5k miles do to the bio cleaning out my tanks (you should see the slime that was in the filter, nasty stuff) But it's just my choice.... As far as power and MPG it doesn't make a difference anyways, I just like to be preventive rather than fix a bad injector due to poor fuel quality. I seriously think if $30 a month is CRAZY to you, then maybe you should NOT be running your own truck, or take another look at your budget. Thats a drop in the bucket man, and if you skipped 1 buffet a week you could afford it. Not saying you even eat at them, but that would give you $30 LOL It does seem to me that you are running on a VERY tight budget tho according to all your previous posts. Maybe things aren't working out the way they should be?? If you wait till your motor ACTUALLY needs rebuilt, you would be down for a few weeks and prob cost more due to some internal damage from something breaking..... same goes with everyother part on your truck. My truck is a 99 model and it's time to replace just about everything. I started with the front axle and am working my way back. Only thing I have left now to replace is the clutch and rebuild the motor, everything else is now new. |
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(B) If your filter is only 50% dirty when you change it, then that means you have 100% more life in it!!! (C) WHY spend $30 a month, when you can spend $30 every TWO months!!! Completely illogical! LOL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! (D) It does not matter how many filters you have; if it has 50% life left in it - USE IT!!! |
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And to actually answer your question.... you are supposed to read the filter WHILE the truck is running, not while it is shut off. At least according to CAT and DETROIT manuals I just looked at.
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BTW: My VW diesel recommends a 20,000 mile fuel filter change interval. After one filter change, I cut the metal filter casing in two, to see how dirty it really was inside. I was surprised to find out that approx. 50% of the filter pleats were pristine white clean, and the other 1/2 were dirty. So since then, I've always change my filter every 40,000 miles, instead of 20,000, to great success. |
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I change my fuel filters when I change my oil, every 10 to 11,000 miles. I do my own oil changes. It costs me $22.65 to put on two new filters. I don't have one of those see through filter casings that others may have. I also change the coolant filter every oil change, that cost me $8.63. So all together for two fuel and one coolant filter it costs me $31.28. That's a cheap piece of mind.
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