Duramax fuel filter delete pipe

Duramax fuel filter delete pipe


  • Coming Soon
  • Why the Duramax Never Had a Lift Pump (and why it should’ve)
  • 2001-2016 Duramax Factory Fuel Filter Delete Kit
  • Duramax LML / LGH CP4 Pump Failure – Technical Bulletin
  • LML Duramax Delete Kit 2021
  • Duramax LMM DPF Delete Kit
  • DFD-4000 – FASS Duramax Fuel Filter Bypass
  • Coming Soon

    For all those many fans who have come to rely on our specialty Garage parts diesel components here they are. Weld-on the hangers as your desire and you are prepared to go. This exhaust kit works perfectly for deleting the LML trucks — even with distinct bed and cab configurations, even though some of the shorter duration models will need to cut it down to match.

    As you can imagine, a direct shot with the restrictions of the honeycomb DPF filter not just sounds better, it escapes far better than previously. Fixing the section of the exhaust which normally includes the DPF is easy once you use a complete exhaust cleaner like this direct pipe system. Mandrell bent 3-inch aluminum tube exerts airflow following the breaker valve and heater power.

    The greater diameter of the air trail and large radius helps reduce limitation within the ingestion to get an obvious increase in functionality along with turbo spool. This cold air intake kit considerably enhances throttle response and turbo spool up, and it is fantastic for everyday driving, towing as well as racing programs! If you are searching to acquire additional performance and fuel economy from the 6.

    The aluminum tube minimizes the consequences of heat soak, also includes CNC mandrel bending for easy airflow and superb durability, and in addition, it includes a long-lasting non-toxic cotton filter press that will be oversized to maximize heat.

    This tube is glossy and powder coated from the touch Sinister Blue helping combat corrosion and including a fantastic look under the hood. Even the Duramax 6. This implies Edge can produce optional accessories which may be added to the products by the owner at any given moment. An optional exhaust gas temperature EGT probe is 1 case of an optional attachment which will be provided by Edge. Start looking for a number of other optional accessories to eventually become available in the not too distant future.

    Towing can place a great deal of pressure on the vehicle and allow it to run hot. Together with the EAS program, an individual may join multiple EGT detectors to track temperatures in various places and examine readings to become more exact.

    Installation method: Strictly according to the original size, no need to change, direct installation, factory simulated and durability testing to ensure proper fit and performance. Warranty: 1-Year, any problem during the use of the product, please contact us, we will reply you within 24 hours and provide you with a solution.

    Wish you happy shopping! It is confusing to have so many options, and so many makes. We have tried to make your life easier by providing as much information as possible.

    These are the top LML Duramax delete kit. There may be a few questions you have about this product. Is it worth the money? Why would you want to invest in a Duramax EGR deletion kit? What are its benefits? How do you choose the best LMLDuramax deletion kit? Which are the top LMLduramax remove kits in ? It is important to have the truthful and authentic answers to all your questions. You should always seek out reliable and trustworthy information such as product reviews, authority sites, word-of mouth, websites that provide buying guides, consumer forums, and other sites that can reliably provide such information.

    It is important that you research and obtain sufficient information about the best LML duramax delete kits in order to make the entire buying process enjoyable. We are one of the reliable options that will provide you with verified information about the LML Duramax delete kit for Who verifies our data? Big Data and AI are the reliable, trustworthy online proofreading sources.

    To determine the best Duramax LML deletion kit options this year, we have created a unique algorithm code using the most recent technological system. To make the trending list, our system uses a number of factors. These include: Brand and product value Durability, shelf life, and quality Reviews and ratings from consumers Warranty and costing of products It is our priority and responsibility to provide accurate, current, and up-to-date information at all times.

    We will take full responsibility for rectifying any issues. Hopefully, this guide was useful to you and provides you some guidance on which components you will want to set up and song a complete DPF and EGR delete bundle on the Duramax.

    Why the Duramax Never Had a Lift Pump (and why it should’ve)

    Mail 0 A common problem with high-mileage Duramax trucks is that the fuel filter head assembly begins to develop air leaks. With age as well as use of ULSD and bio-diesel fuels, the O-rings in the filter head assembly can begin to allow air to bleed into the system, causing the fuel system to loose its prime. Early signs of a leak include extended cranking after the truck has been sitting for long periods as well as the engine starting and then dying. As the problem worsens, it may become impossible to restart the truck without manually priming it when parked on an incline.

    External fuel leaks can develop as well, and will be evidenced by fuel puddles on the ground or on top of the filter assembly. Your GM dealer will most likely suggest replacing the entire assembly, but the team at Merchant Automotive has better and less expensive solutions: they have developed several repair kits that require only hand tools and basic mechanical skill.

    Remember, this is an overview of the process; if you have questions about the specifics you can consult the team at Merchant Automotive or your local diesel performance shop. You can also watch a video of the process on the Merchant Automotive website. If you plan to rebuild the filter assembly yourself, set aside a couple hours and be sure to practice safe shop techniques. After rebuilding and reinstalling the filter assembly you will need to prime the fuel system before starting the truck.

    Prime the system by pumping the primer plunger repeatedly until it becomes firm, and then start the engine. After starting, make a thorough check for fuel leaks before driving the truck. A billet aluminum bleeder screw replaces the factory-installed plastic bleeder screw, which is flimsy and prone to stripping and cracking. All of the billet aluminum parts are anodized black for durability and good looks, and they feature a laser-etched MA logo.

    You can rebuild your fuel filter assembly without the billet parts, but we think the full kit is a wise investment. Phaff removed the filter assembly, rebuilt it and reinstalled it in about an hour, including our typical photography slowdowns. Follow along over the next few pages to see the basics of Phaff rebuilding the filter head assembly.

    The filter assembly on this truck was not leaking fuel externally, but it was allowing air to bleed back into the fuel system causing the CP3 to loose its prime. The truck would not start unless the fuel system was manually primed. Jake Phaff began the installation by removing the passenger-side intercooler tube to make it easier to access the fuel filter assembly. With clear access to the fuel filter assembly, Phaff loosened the spring clamps on the fuel lines and slid the lines off the fittings.

    Moving to the wheel well, he removed the fasteners from the forward portion of the inner fender liner, and then pulled the liner back to allow him easy access to the underside of the fuel filter assembly. Both the water-in-fuel sensor harness and the fuel heater harness must be unplugged before the filter assembly can be removed from the engine.

    With everything disconnected, Phaff was able to unbolt and remove the complete filter assembly from the truck. Looking at the water-in-fuel sensor harness, it was obvious that it was ready to fail see arrow. In fact, when positioning the harness for our photos, the corroded lead actually broke away from the sensor.

    Before rebuilding the head, the filter and WIF sensor need to be removed from the head. Be sure to dispose of remaining fuel properly. With the filter removed, Phaff removed the screws securing the heater assembly with a T Torx bit. He then disconnected the heater power lead and pushed the heater assembly out of the filter head, making sure not to loose the spring or check ball in the process.

    Next, Phaff removed the Torx screws securing the plunger to the filter head, noting the position of the fuel heater ground lead. The cap, retainer, primer and spring could now be removed from the head. Using a pick tool, Phaff removes the old O-rings from the fuel heater, filter head and primer assembly.

    After the filter head is completely disassembled, Phaff cleans it with a steady stream of brake cleaner to dislodge any dirt or debris that may have accumulated over the years in order to make sure it does not get inside the fuel system during reassembly. The replacement O-rings from the kit are installed next. They must be fully seated and not twisted, and lubricated with a small amount of clean engine oil so they will slide into position during assembly without snagging and getting damaged.

    When installing the new O-rings on the plunger section, the lips of the O-rings must face away from each other as shown here. The plunger assembly is reinstalled on the top of the filter head with the fuel heater ground lead in the same position as when it was removed. Phaff replaced the flimsy plastic fuel bleeder with the new billet aluminum bleeder included in the Master Kit.

    Pumping the primer with a finger covering the inlet port tests the new O-ring seals; it should develop a vacuum. If it does not, one of the O-rings may be missing or cut. He then installed the filter on the filter head. Phaff installs the complete assembly on the engine using the longer mounting bolts supplied with the kit.

    He starts each bolt into the threads in the filter head, leaving room for the spacer to be installed. After installing the spacer, the bolts are fully tightened to secure the filter assembly to the engine. The next step is to reinstall the inlet and outlet fuel lines and slide the clamps into position to secure the fuel lines. Moving back down to the wheel well, Phaff plugs in the fuel heater harness and secures the WIF harness before reinstalling the inner fender liner.

    To complete the installation the fuel system needs to be primed again by pumping the plunger on top of the filter head then purging the air from the system through the bleeder screw. This process may need to be repeated a few times to get all of the air out of the system. After starting the truck, check for leaks before driving.

    2001-2016 Duramax Factory Fuel Filter Delete Kit

    The CP4 injection pump creates higher pressures with less volume than its predecessor, the CP3 pump.

    Duramax LML / LGH CP4 Pump Failure – Technical Bulletin

    Although this makes it a more efficient pump, the lack of volume creates a lack of lubrication since these pumps rely on the diesel fuel to act as a lubricant. In addition to the higher pressure and lower volume, the removal of sulfur from modern diesel fuel Diesel 2 or Ultra-Low Sulfur Diesel also destroys compounds that exist in the fuel naturally that would normally contribute to increased lubricity. Some fuel resellers mix lubricity-increasing additives into their fuel prior to sale, but this is not consistent and not well-regulated.

    Using a commercially available diesel fuel additive can be helpful, but cannot be guaranteed to prevent CP4 pump failure. Diagnosing a Pump Failure The LML and LGH CP4 pumps most commonly fail due to this lack of lubrication which causes internal metal parts the drive cam, cam follower or pump piston, as well as the housing itself to rub against each other and begin to shave off small metal particles.

    There may be a few questions you have about this product.

    LML Duramax Delete Kit 2021

    Is it worth the money? Why would you want to invest in a Duramax EGR deletion kit? What are its benefits? How do you choose the best LMLDuramax deletion kit?

    Duramax LMM DPF Delete Kit

    Which are the top LMLduramax remove kits in ? It is important to have the truthful and authentic answers to all your questions. You should always seek out reliable and trustworthy information such as product reviews, authority sites, word-of mouth, websites that provide buying guides, consumer forums, and other sites that can reliably provide such information.

    It is important that you research and obtain sufficient information about the best LML duramax delete kits in order to make the entire buying process enjoyable. We are one of the reliable options that will provide you with verified information about the LML Duramax delete kit for Who verifies our data?

    Big Data and AI are the reliable, trustworthy online proofreading sources. To determine the best Duramax LML deletion kit options this year, we have created a unique algorithm code using the most recent technological system. They are made partly from aluminum hard lines, and partly from nylon reinforced rubber hose.

    Pay special attention to the rubber hose around the bends, because the suction from the injection pump can cause the hose to collapse and pinch off the flow of fuel.

    You may have to remove the plastic corrugated protective sleeve from the hose, but if you are thorough, you might be able to spot a collapsed section. The one way to spot an failing pressure relief valve it to fire up your scan tool, recreate the symptom, and record another data log. This will work for a race truck, but also on a truck which spends its whole life on the street.

    For myself, and many Duramax owners alike, none of those fixes would solve the curious case of the disappearing fuel rail pressure, but I knew there was one thing to blame or rather a lack of a thing. Remember that one part GM omitted from their fuel system? Well, as it turns out, that missing pump does cause a few problems, which is why a lift pump is so crucial.

    DFD-4000 – FASS Duramax Fuel Filter Bypass

    Several Solutions By installing an electric pump near the tank and pushing around 10 psi of fuel to the injection pump, you take a lot of stress away from the CP3 or 4 and allow it to focus on its main job of creating high pressure fuel, and that one simple change can have multiple positive side effects.

    As usual, you do have a few choices on how to get a fuel pump into the mix, and the simplest and most cost effective is the PPE Lift Pump. It installs just outside the tank, bolts to the frame rail, intercepts the stock suction line, and pushes the fuel on its way to the engine. Your stock filter head is retained, and no other modifications to the tank or rest of the fuel system are required.

    Just plumb it in, wire it up, and your fuel system will now be working to its full potential with no drop in rail pressure under load. The pump flows gallons of fuel per hour which will keep up with the most demanding injection pump and performance driving situation. There are ZERO modifications required to the tank, lines, or fuel filler neck, and it will support wheel horsepower. Plus, the OE design of the bucket the pumps sit in ensure the suction side will always be submerged, even if the tank is nearly empty.

    While fixing the fuel supply is a good start, a simple standalone lift pump does nothing to increase the filtration, and the fuel oil we love is pretty nasty stuff which often contains dirt, water, and other contaminants like air bubbles. If you are running a lift pump and want cleaner fuel, you can swap to a larger and more efficient Caterpillar 1R fuel filter which removes particles as small as 2 microns.

    All you need to install it is an adapter kit from Sinister Dieselbut the Cat filter only addresses one of the three contaminants in your fuel. The high efficiency FASS filters will now remove dirt particles down to 2 microns in size, the water separator takes out Also, because of the way the FASS return system works, the fuel in the tank is constantly being cycled through the filters and will get cleaned several times, which helps your fuel system last a very long time.


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