Also-you might have just bought a bad filter. How To Check and Replace a Fuel Filter. I have more fuel filters on order and it is really no big deal to change one. The same thing happened to my 4104 and I had a very small air leak at the primary filter (Suction side). Replacing the fitting (well, at least the female one on the hose) is non-trivial, as the whole supply hose will have to come out. So, between the fuel tank and the fuel filter, impurities may build up and clog the fuel line, tank vent, or pickup screen, reducing the amount of fuel that enters the filter. But lines do get cut through or abraded -- and several people here have already suggested the line could be leaking. And even if you are close to a town, there's no guarantee you can find the precise type of fuel filter your Davco fuel system requires. So, is there any way I can bring the level up into the viewing area short of removing the cap and just adding some fule that way? By doing so, it protects the engine and fuel injectors from harmful particulates. Symptoms of a Clogged Fuel Filter. I have a 1999 International 9400 with an N14 Cummins. The Peanut Gallery, but a garage is going to do exactly what anyone. Having or causing any problems. I think MCIs check valve is in the return line to the tank (at the engine), not in the supply.
Davco Fuel Filter Not Staying Full Version
You apparently can afford to have it properly diagnosed so with what I am being told the above procedure is what I would do. I take it that someone removed the origional primary and secondary fuel filters? As a complete side note, but some following the discussion may find it interesting: I have the older Davco FuelPro 380E. Can you get any pictures with the filter off? Problem with Davco fuel filter sys, maybe. I certainly can't tell by looking -- how would one go about determining if a fitting is SAE or AN? This is not the "root cause" of the problem. They typically consist of several components: a fuel filter, a water separator, and a fuel heater. I said so myself (but I am not there yet in the process). This causes the pressure in the fuel log to be higher and increases the volume of fuel from the injectors.
I think what John's saying is, that by bypassing the Davco, you'll be. Your continued use of the Service after we post any modifications to the Privacy Policy on this page will constitute your acknowledgment of the modifications and your consent to abide and be bound by the modified Privacy Policy. Tell me more | Cookie Preferences. They are soft and comform to any malformed sealing surfaces. Davco fuel filter not staying full moon. It looks like it would be right at the level that your fuel is so that would explain why no hard starts it's getting fuel but there's something wrong. Are there any commonly-available N American buses that have a one-way (or anti-drainback) valve at the tank?
After talking to a factory rep, we got a new O-ring that is the same size as the one on the top (filter). Without the necessary fuel it's expecting, the engine could be damaged or malfunction. You may not post attachments. 5 Ways To Deal With Davco Fuel Filter Not Staying Full. I elected not to use the dummy, and have a real secondary filter (Baldwin 5810) installed. No low-hanging loops which can trap water. So my fingers are crossed that our problems are behind us. Chris, thanks for the informative posts! 1 thing i did notice is if i set the cruise control at 55 it'll get to a point where its running smooth and quiet but as soon as i apply a little bit of acceleration i can feel the truck bog down... 2011 hino 338 is having hard start issues.
It's just a couple of wires and probably a small project for you compared to the stuff you take on. I still have the original stacked disk primary on my 4104 and like it, a bit messy but very effective. It will provide interesting information and you will begin to notice a serious relationship between fuel temp and system vacuum after the filter, once you establish what is normal and what is plugged for your engine you can choose to install just a light and hobbs switch set to that vacuum. Isolate the problem. Davco fuel filter replacement. Re-install the filter, get some clear tubing, remove fuel line from the rh side of the filter. Also, does your unit have a bottom unit on the head?
Davco Fuel Filter Not Staying Full Moon
If you have any questions about this Privacy Policy, please contact us. After 1000 miles no fuel in sight. All the taper fittings I mentioned are AN but the soft Al cones will probably even make unlike tapers seal. The system is suppose to raise fuel level in the glass as the filter gets dirty.
If you have a reusable metal filter, it needs to be cleaned. Have the damaged primer pump repaired or replaced as soon as possible to avoid further issues with the fuel system. 02-24-2018)Pete379 Wrote: I have that same filter setup. I can bump the bottom of the davco & get the fuel to splash up in the dome, so I know the fuel is there. So that told them right away where to look.
I hope your engine isnt if it is. Personnel that work is being performed. Davco fuel filter not staying full version. This component helps maintain a consistent viscosity in the fuel, which is vital for proper engine operation. Besides, once I fill the Davco up with fresh fuel, all the problems go away, at least until it empties again. What light on the dash are you talking about? I had to make a trip so took off hoping problem solved. For now, I will just have to trust that all the fuel is filtered.
This means that the Davco is under vacuum in operation, with the lift pump "sucking" fuel out of the Davco, and the resulting vacuum in the Davco in turn sucking fuel out of the tank through the main supply hose. That thing holds nearly a gallon of fuel! If we make any material changes to this Privacy Policy, we will notify you either through the email address you have provided us, or by placing a prominent notice on our website. Any suggestions on this latter question? It's now been a few weeks and a few thousand miles..... As the filter media plugs the level of fuel in the "Dome" climbs up the filter and you can see that the filter is clogging - this could also be more easily accomplished with a Hobbs switch on the outlet side of any filter connected to an indicator on the dash. Replace the secondary filter. If its anything like the davco the fuel level only rises as the filter gets dirty. Make sure your engine isn't starving. The technician guessed it was just a bad switch -- but, after S&S fixed the obstruction, I put that switch back in, and it's working fine now.
Davco Fuel Filter Replacement
Last oil change I drained the fuel from bottom and checked to see if there was any debris on the bottom of filter and nope it was clean. Beled "Fuel Out") to the inlet of the fuel pump. The security of your Personal Information is important to us, but remember that no method of transmission over the Internet, or method of electronic storage, is 100% secure. New and Improved Shop Pro is 44 Pounds Lighter, Smaller Without Sacrifice. The secondary is a spin-on, very easy to change. All should now be normal, although the spring may be a bit weak from age. Shop Pro FXP 95 also uses the latest three-layer filtration technology utilized in the Fuel Pro 385 model to strip water from outside the media with two inside stripping operations, including a coalescent layer and a hydrophobic layer. Fancy fuel filters what ever happened to just insulating the lines. Same issue as Tampa except my truck isnt running fine once it goes below the collar... After a tons of test and often repeated... You can rig up a short piece of hose and adapter to accomplish this also. Any help will be greatly appreciated.. thanks in advance.
Do bubbles come out of line? This orifice provides a "head" or restriction to flow for the fuel pump. If you notice these symptoms, it could be the result of an old, dirty, and/or blocked-up filter. Username: Chessie4905. Username: Drivingmisslazy. The credit belongs to the man who is actually in the arena; whose face is marred by the dust and sweat and blood; who strives valiantly; who errs and comes short again and again; who knows the great enthusiasms, the great devotions and spends himself in a worthy course; who at the best, knows in the end the triumph of high achievement, and who, at worst, if he fails, at least fails while daring greatly; so that his place shall never be with those cold and timid souls. I would really like to understand how this filter actually works. Same thing happens to mine.
Its been 25k and im barely satrting to see the fuel level rise. Also if im having trouble getting up to speed or power i pump the accelerator slowly and it starts grabbing speed and power.. which in return makes my acceleration bar drop and mpg rise, but within a couple minutes i have to pump it again... Pretty much does what One expereinced with the Freightliner. The tech might have been guesstimating based on experience. The whole cooling system issue is on hold until I fix this fuel delivery problem. Air bubbles rising to the surface of the fuel will indicate air being drawn into the fuel system on the suction side of the pump. I would first remove the fuel filter and make 100% sure the orange flap valve is there, this is the anti-drain back valve. Knowing where the fuel goes before it reaches the filter, we can pinpoint which areas to check and what to do.
Startup, use a lockout key and/or signage to alert.