Engine issues, hydraulic pump issues, contaminated fuel all of these are the common problems. Also, when your pressure gauge is turned faulty or damaged, it can give you the wrong reading. Lastly, remove the hose connected to the fuel return valve on the injection pump. All connections should be secure properly for the steering to respond. Please remember that unless you need to take out all 4 of the injectors, we recommend only removing the ones necessary to prevent damaging fuel lines. Indeed, there are tons of positive reviews about Bobcat tractors, and these are mostly true. Remove the 3 clamps on the injector tube lines. Page 1 of 2 1 2 Next > siedow0621 Member. I'm not a diesel mechanic by any means but I'm also not a moron so I don't see any reason why I can't figure it out with a little guidance. While researching and going through several online reviews, articles, blogs, and user forums to see how the consumers feel and react after owning the Bobcat 3400 UTV model, I discovered that most users are quite satisfied with their experiences. One particular 2011 version user has mentioned that initially, he loved riding the UTV and had no complaints at all. There may be several reasons why you might need to remove an injector. Engine overheats Lack of engine coolant - The cooling system needs to be refilled and checked for faults. Again, if the hydraulic fuel filter is full of dirt or clogged, the loader wont get enough power. Related Article:Are Bobcat Tractors Any Good? This fitting can be cleaned, if cleaning Removal of this seal will void any warranty. The reinforcements made on the tires were probably designed for specific types of surfaces. Please accept the core charge before adding to Cart. There can be other parts or components involvement causing this shifting trouble too. I might get 5 minutes out of it, sometimes a little more, 10-15min. Tires from the factory are fitted to accommodate lots of air. If they still dont respond, replace the joystick control circuit hoard. for News, Products & Specials, 7249380 | Reman Fuel Pump fits Doosan Bobcat D18/D24, 7256772 | Delphi Fuel Metering Valve Fits Doosan Bobcat Tier 3/4, 7030409 | Genuine Delphi Fuel Rail fits Doosan Bobcat D24, 7275454 | Delphi Fuel Injector fits Doosan Bobcat D18/D24, Feel confident purchasing from a company who has been in the fuel injection business since 1985, Not sure whether your injectors are bad? Why Should I replace all six of my DD13 or DD15 Fuel Injectors? But the sad news is that he ends up replacing both clutches with new ones without figuring out the actual issue and the problem stayed as it was earlier. Bobcat No Start, Troubleshooting Fuel System and Replacing A Fuel Injector in the Bobcat D24 engine HowIDidIt 13K subscribers Subscribe 34K views 1 year ago #bobcatrepair #bobcat #howididit. The pipe does seem a little too large for the fitting though, so doing it up tight wasnt easy, especially at the back where it was hard to get to. Bobcat is one of the major manufacturers of skid steer or track loader for the last 50 years. Read moreabout us here. bobcat 843 injector pump Yesterday's Tractors Forum Index > Crawlers, Dozers, Loaders and Backhoes Jump to: TRACTOR PARTS TRACTOR MANUALS We have the parts you need to repair your tractor - the right parts. Give us a call with your Bobcat equipment serial number. Welcome to Off-Road Care. So if you have limited space but need maximum lift height, this is the one you should go for. He also added that when it starts working again, the clutches grab hard, as if lurching the vehicle, and even on the low traction surfaces, it breaks the traction. Hydro-lock, which can lead to catastrophic engine failure. Click on My NH repair etc. Then comes the hydraulic pump. The drive motor is one of the powerpoints of these tractors, especially the Skid Steer Loader. In some cases, the charge pump can become weak. What this means is having the trim code loaded into the Bobcat equipment ECM is important for proper engine operation. Atart at one end and remove from the inejctor and pump. Type above and press Enter to search. If someone could explain how the 743 fuel system works I would much appreciate it. One quick check you can do with the Inlet metering valve (IMV) is to put your finger on the valve and turn the key on in the equipment. Have you checked your air filters too? Once your injector is removed, be sure to check that the o-ring attached to the injector also came out. There are about 10 screws that go around the cover. I should also say that the tank did run empty at one stage, never had problems before that, possibly there is air in the system disallowing fuel to be pulled through. Engine overload - Load reducing is recommended. Based on several consumers reports, the 2012 version Bobcat 3400 gas UTV models have issues, such as engines starving for fuel, stalling, missing, and even engine misfiring or backfiring. Thankfully, Bobcat provides a solution to this problem by designing reinforced tires that can withstand hard surfaces. 5 Most Common Problems with Tracker 800SX, 6 Most Common Problems with Can-Am Maverick Sport, 5 Most Common Problems with Polaris Ranger 66. But before you tear into the injection pump assembly, one other common problem with Bobcat machines is the strainer on the end of the pickup tube is clogged. Later in August 2018, the company recalled a total of 2,700 units of 3400 and 3400XL UTV models. Most Bobcats of the late 90's vintage have the tank under the engine and the fuel line goes to a steel 90 degree fitting on top of the tank. Unfortunately, some owners only succeed in causing more problems with the motor. Regardless of how durable and well-built a tractors components and parts are, they will eventually break down and need replacement. Bobcat Doosan engine no start condition. The Fuel injectors for the Bobcat Doosan D24 and D34 engines are high pressure common rail by Delphi. Required fields are marked *. The goal here is to remove ONLY the fuel line that is attached to the injector that you absolutely need to remove. These pumps are very expensive and this might help. Turbochargers: 12 Months, Unlimited Miles/Hours In that meantime, corrosion has already built against the parts and the actuator which are responsible for engaging. Some people overfill it and think it will work better. Following these guidelines will help make this the best resource for heavy equipment on the net. I'm not familiar with diesels, so gradually trying to work things out. This did work when I ran it dry. The company also acknowledged that the exhaust header pipes were faulty or not assembled accurately, and this was a factory malfunctioning issue caused by a lack of attention from their production unit. The brand employs top-notch manufacturing techniques, yet the tractors are reasonably priced. Discussion in 'Skid Steers' started by warbird, Feb 18, 2015. Perhaps you are looking at doing some maintenance work on your parts in which you should also review this. The Max fuel adjustment screw on the injection pump is sealed/wired by Kubota as a tattle-tale so that Bobcat and Kubota can see if it has been tampered with. But they are not without a few drawbacks. Clogged filters for the oil case drains also contribute to the failure of the motor. After you've made a number of posts you will graduate to Full Member status where you'll see a few more privileges. Inside the tank is a 1/4" ID vinyl tube ending in a steel screen assembly with a check valve to keep fuel from returning to the tank. Give us a call with your Bobcat equipment serial number. Read on to learn more about the common problems of these otherwise great tractors. I can restart the machine after waiting a couple hours. You should get 400-450PSI on a good engine, i was told 300-350 is still acceptable for home use. While operating, the engine seems very good, plenty of power, good idle etc. If your filter gets clogged, the hydraulic fluid backs up into the motor which causes high pressure. $69.99. When filters become clogged something that happens regularly with some of the models the hydraulic will mix with the gear oil. However, mostly secondary clutch is the main suspect in this situation since it only stores the output shaft at the location where shifting would be almost impossible. I discovered that if I squeezed the fuel primer ball every 15 seconds, the unit would stay running. Thats why the users are also happy with this track loader. 514 views, 3 likes, 0 loves, 1 comments, 0 shares, Facebook Watch Videos from Texas Diesel & Automotive service: Quick injector test on a bobcat skid steer this loader misfires when the engine cold Quick injector test on a bobcat skid steer this loader misfires when the engine cold | By Texas Diesel & Automotive service The trim code helps the ECM account for small manufacturing variances in the fuel injector body. Restore performance to your Doosan Bobcat D18 and D24 Tier 4 diesel engine with the brand new 7275454 Delphi fuel injector. There is a 12 month unlimited hours warranty on this fuel injector. Have someone turn the key on with the engine off and press the accelerator pedal all the way to the floor and hold it there for about 10 seconds. After checking the fuel filter, its time to check the fuel tank. So, to confirm it check whether the secondary clutch is spinning at idle or not. While other tractor brands work to make stores available in many parts of the country, Bobcat still has a long way to go in addressing this challenge. I lifted the canopy to get to things and see things better. Some also claim that after a further investigation, they found out they do not have a dirty or clogged fuel pump and still have this commotion on their vehicles. Fuel odors inside and around the car. 2023, Expert Diesel Parts Powered by Shopify, How to Remove Bobcat Injectors Fuel Injector 101, We have talked a lot about diesel fuel injectors in some of our other, There may be several reasons why you might need to remove an injector. Each unit had issues at the 3000 to 4000 hour mark and were extremely hard on fuel filters (sometimes 2-3 between 250 hours). Purchase your parts from us today or reach out if you have any questions. Heavy Equipment Forums is scheduled to go offline at 6:30am Eastern Sunday March 5th for an extensive software update. SPONSORED. If the fuel rail loses pressure due to a clogged filter or other reasons . You may also want to check to see if there was gasoline put into tank. If the situation is not that bad, cleaning these components will do the work. Thanks for your patience! Heres a quick rundown of the major pros and cons. It happens when the air filter is dirty or gets completely clogged. If the valve fails, the engine has no way of responding to commands to move rail pressure up or down. This pipe seemed quite loose, so before attempting to start the engine, I cut a small piece off the end and used a new clamp. Are genuine OE Injectors from a dealer worth the money? Free shipping. This is how to do it. In such situations, you can do a couple of things, such as adjusting the sheave width on your secondary CVT to get proper belt diversion, or you can simply replace the belt. You will likely need to log in when the update is done so make sure you have that information available before we shut down. Apart from the problem of hard surfaces, the tires wear out rather quickly. He even noticed notably low hours while having those issues. Next, grab a 6 millimeter hex allen head (make sure the bottom of the allen head is not rounded off since the bolts are incredibly tight). Please review the return policy for complete core refund details. When this happens the rubber primer bulb in the fuel line . If they malfunction, the steer responds late. As a result, driving up to a precise point at a low range or reverse becomes extremely difficult. Poor Emissions. Sometimes, the steer doesnt respond at all. First raise the lift arms of the machine and install an approved lift arm support device. Because the pinhole leaks are apparent when the systems fluid is under pressure. Bobcat, the North Dakota-based American company, is the world leader in the compact equipment industry and offers the highest quality utility vehicles that ensure superior toughness and reliability. JavaScript is disabled. Another possible reason can be the false alert from your Four-wheel drive light. for the D24, D34 and D18 engines. I used the hand pump to feed fuel into the glass bowl. Thanks for that. Check for any fuel leaks. And at time was it done. Some bobcat 3400 owners have also complained about their encounters where the four-wheel-drive does not engage property even when the four-wheel-drive lights are on. And when he pulled out the fuel pump to inspect further, he surprisingly found no leakage or any other issue on his fuel pump, and the pump also looked perfectly clean. If your compression is good, it would be worth getting your injection system done. If the injection pump is failing, the pump will have a difficult time keeping up with desired engine rail pressure. We sell a wide range of parts including the. The switch or glow plug relay can need replacement too. Thank you! Pressurize the hydraulic system and ensure the pump and engine are running before this check. I opened the air bleed screw and managed to get the engine running, lots of black smoke, as the engine improved I gradually closed the air bleed screw.ran well. Another possible reason behind this shifting trouble can be the belt when you do not have an OEM belt. , you can also contact us at contact@expertdieselparts.com. The fuel system consists of fuel filters, a fuel line, and a fuel tank. A quick check you can do with the injection pump is to connect a scanner to the equipment and monitor desired vs actual rail pressure. I have covered the possible solutions as well . Refer back to the injector hold down clamp. We also recommend using protective gloves and eyewear to prevent fuel leakage. The machines are powerful, versatile, and built to last. Engine misfires and decrease in power, acceleration, and fuel efficiency One of the most common symptoms of a potential problem with a fuel injector is engine performance issues. When a technician sees the codes, they can identify the faulty circuits and know the main cause by further inspection. Many users change the oil after 500 hours of use and carry out other routine maintenance to the best of their ability. Visit us at www.4tetradgroup.comTo schedule a consultation: https://www.4tetradgroup.com/consultationshttps://www.4tetradgroup.comhttps://www.tetradcycles.comhttps://www.instagram.com/tetradgroupllc/https://www.instagram.com/tetradcyclesCheck out our new podcast where we discuss Bobcat and other compact construction equipment. You have a pickup tume in the tank, it goes through the hand primer then to the filter. You should also check the fuel cap to make sure it is venting. The valves should open and close fully. We get a lot of calls from our customers asking about the various components on the Bobcat common rail fuel injection systems. If the return fuel is blocked, pressure increases in the injection pump. It may not display this or other websites correctly.