Davco Fuel Filter Not Staying Full

Nothing that happens in the injectors or on the rails would be causing the lift pump to suck all the fuel out of the Davco. Filling the bowl with fresh fuel relieved the power complaint. Additional professional labor costs could add another hundred or two, depending on the location of the filter. Its normal operating pressure, increase engine RPM to. DAVCO Announces New Fuel Pro Options for North American Commercial Truck Market. One possibility is that they are incompatible fittings (such as one is 45 SAE and the other is 37 AN). It's now been a few weeks and a few thousand miles..... I think most of the space at the bottom is for hydronic coils, which was a pre-heat option on these units.

Davco Fuel Filter Not Staying Full Article On Foot

I place these in the fuel system at different points before and after components and search for leaks that way. If they were black, you may have alge if the fuel has sat for a long time without bioside treatment. What it turned out to be was that the bottom O-ring, which the factory mailed to me, was the wrong one. Again, this might not be useful on all N American built buses (or indeed any N American buses), but it sure is a big help in increasing the reliability of buses that I'm familiar with. However, they are certainly inexpensive and work great, never had one leak. In some cases, the Fuel Pro can be. But in just five miles of driving, the power again dropped, and, upon inspection, the fuel level is, once again, below the collar. It took me a while to become disenchanted but with a box full of broken units my wallet reminds me of the foolishness of my eyes. Davco fuel filter not staying full review. A fuel filter will be located somewhere in between the gas tank and the engine, here are some helpful hints for finding it. Fuel held up in glass housing. Remember, the heads were off, so the return line was sitting there, disconnected. Here are a few steps to troubleshoot the issue: 1.

There should be a draw tube that goes down and almost touches the bottom of the filter on your paccar assembly. Any smoke out the stack?. The engine was running when I took that picture. Regarding the burst fuel line, I wasn't suggesting that an electric fuel pump alone would do that. Davco fuel filter not staying full article on top. It doesn't take much air in the fuel and they safety out. That switch is now out of the circuit (I am still looking for a replacement), but, perhaps the switch is fine, and fuel pressure is simply building to 10psi sooner than expected -- another possible sign of a hyperactive fuel pump.

Check to make sure the drain valve at the base of the. Can you provide any details on how that works? Who know neither victory or defeat. If you notice these symptoms, it could be the result of an old, dirty, and/or blocked-up filter. This is the most common type of fuel filter. They are both interchangeable. I called a nice lady at Davco who said there is no way the "whole filter" needed replaced. However, they vary based on the manufacturer and specific model. Problem with Davco fuel filter sys, maybe. Tighten the vent cap by hand until it. While using our Site, we may ask you to provide us with certain personally identifiable information that can be used to contact or identify you. At least in the DDA shop manuals. No low-hanging loops which can trap water.

Davco Fuel Filter Not Staying Full Review

I can easily grasp how the sensor in the bottom of the filter detects water and can illuminate the WIF ( which I assume is Water In Fuel) lamp, but there is nothing in the parts or optional parts for the Davco filter that looks to me like to could possibly detect when the level of fuel reaches the 7/8 full level. Of course, it takes a lot of strain off the pump in your injection system and has an added side effect of assuring full fuel flow, rather than a mixture of fuel and air. Just posting here to see if the group has any advice for me or anyone has had a similar condition. At least, that's my guess. This combination water separator/fuel filter has a clear bowl with a visible cartridge filter media in it. By design, there is a certain amount of air and fuel vapor in the Fuel Pro, and, as the media plugs, that vapor is slowly ingested by the lift pump and pumped through the secondary and into the rails. Irregularly High Engine Temperature. In that time, the fuel level in the Fuel Pro dropped about 1/4", which I think corresponds to the whole thing heating up and the air/vapor above the fuel expanding somewhat. We use your Personal Information only for providing and improving the Site. And also I feel like my mpg should be higher and my acceleration should be lower... only way to text that lift pump is the hose trick to the filler neck? No fuel at all ran out of the line. By the way, the fan clutch spring (or lockup) could be on the radiator side, and. Davco fuel filter not staying full article on foot. 02-24-2018, (Subject: Paccar fuel filter doesn't stay full).

It can also have a valve that allows the priming and bleeding of air from the system. Have you confirmed that you have a check valve between your tank and Davco? No air that I can tell anywhere in the sys to create this. 4 gallons per minute is specified. What is the purpose of the restrictor orifice and exactly where is it? Rather than a pinhole leak causing your filters to drain and stopping your bus, you have a site where you can see drops of fuel and repair the line at that point -- with the obvious differenc that your bus doesn't lose prime and stop on the side of the road. With a new filter, one of ours runs about 2-3 inches of fuel up the sight glass. Fuel filter problem question. T communicate with the computer.. If you had a hard start issue the anti-drain back flap valve is under the fuel filter, if this was hung open it could return the fuel to the tank on shutdown. At this point, I, the non-mechanic, got involved with my own salvation.

Re-install the filter, get some clear tubing, remove fuel line from the rh side of the filter. Tom, My coach is older than yours, but I don't think I have the dash light Larry is talking about. That can also be interpreted as: In the time it takes to fill the Davco, the engine cools. John w. roan (Chessie4905). After what Chris said it may be time to bite the bullet on the DAVCO!! Other components of the fuel system may be responsible, too. Quote: Originally Posted by lbrachfe. Ing guidelines when plumbing the fuel system: Keep the fuel line routing as smooth as possible with. My engine is running rough and seems like it's being starved for fuel especially going up a hill.

Davco Fuel Filter Not Staying Full Article On Top

I don't see anything that looks like a check valve at the egress from the tank, which I would think is the most likely place. You could have bypassed the entire filter housing in less than 5 minutes. She ran fine for 20 minutes at high idle, running about 13% engine load. This orifice provides a "head" or restriction to flow for the fuel pump.

This is an approved configuration per Detroit. Over time, as the filter media becomes plugged, the fuel level rises in the bowl, until it reaches the top of the media, which is when you are supposed to change the cartridge. If these contaminants were to enter the engine, they could cause damage to the injectors, fuel pump, or other parts of the fuel system. You've never been to one of our parties, clearly... "What was the debris made of???... In addition to the popular Fuel Pro® line, DAVCO also produces the Diesel Pro® for medium trucks, Sea Pro® for marine applications, Industrial Pro® models for off-road applications and a line of industrial automatic oil replenishment systems, with regulators, slow flow meters, and fluid level switches. What kind of electric fuel pump did you envision that he suggested? 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. I've got more power than before, and no overheating. I am thinking my pump may not work as well as yours, but using mine will probably help, Russ. I am in a park that does not allow one to do any maintenance so I will not change it again right now. I'll find it, somehow. It is very flimsy I am curious if when the last filter was changed it was broken off.

If Pedco installed a new line with any hose that is clamped, the clamps or fittings may need tightened. Here's how this system works: - The fuel enters the system through an inlet line and passes through the primary fuel filter, which removes any large particles of dirt or debris.

Mon, 29 Jul 2024 11:02:54 +0000