Lastly, remove the hose connected to the fuel return valve on the injection pump. While this may work in a few cases, it is only a temporary solution and will ultimately lead to more problems. My question is: should the ball pump up firm? Core Charge Policy 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. Refill the fuel tank with the right amount of diesel. The inlet metering valve is responsible for metering rail pressure on the Bobcat D24 and D34 diesel engine. Perhaps you are looking at doing some maintenance work on your parts in which you should also review this guide on how to clean your injector at home. If you do have any questions about anything related to removing an injector or about our. Here are a few tips to help you get your Bobcat equipment up and working the way it should be. Fan belt is worn or faulty - Fan belt must be replaced. Diesel Pro has developed an 8-step testing procedure to electronically simulate the on-engine conditions on our test equipment. The injectors will bleed rail pressure through the fuel return or could even have a nozzle stuck open (less common). Indeed, there are tons of positive reviews about Bobcat tractors, and these are mostly true. There is a 12 month unlimited hours warranty on this fuel injector. These fuel lines are bolted down pretty firmly and it can be easy to damage a fuel line or not properly seal it back. This compact track loader is exceptionally well designed and has impressive features. Another possible reason behind this shifting trouble can be the belt when you do not have an OEM belt. Core Charge Required Problem With The Electronic fuel injection Or EFI 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. Whenever we talk about any skid steer problem, this engine issue always comes first. The problem has come back, I have checked the fuel lines, the fuel pickup tube in the fuel tank, replaced the fuel . Read moreabout us here. If they still dont respond, replace the joystick control circuit hoard. Three years ago I was having a problem with 743B with the Kubota V1702 engine wanting to sputter, and die out on me. One of the major issues with Bobcat tractors is difficulty in getting parts, especially for rural dwellers. Click on My NH repair etc. Open the cap on your fuel tank. As we spoke about the injection pump and rail pressure earlier, the fuel injectors can also bleed rail pressure. We have talked a lot about diesel fuel injectors in some of our other blogs, but today we are going to go over how to remove a diesel fuel injector from a Doosan Bobcat engine. You are using an out of date browser. (Explained for Beginners). Then raise the cab of the loader, locking it in place with the cab shock lock. There is a small hose that goes to number one injector tap off line. Replace the head gasket to solve this. If you are working in a dusty ambiance, the replacement should be more frequent. Please accept the core charge before adding to Cart. If you have water in the fuel you will be able to see it when it separates. Although I have already mentioned earlier belt and clutch can cause issues while explaining the other problems, several users have confirmed to encounter real trouble with the 2011 Bobcat 3400 because of the drive belt. How to troubleshoot a fuel injector and how to change a fuel injectorContact us for questions or concerns atwww.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. The error codes help you to identify the cause of the problem. Finally, check all the seals and fittings to the control valves. And at time was it done. The bearings will most likely slip into the oil puddles and cause internal damages. Make sure it is working as per the specs. Hydro-lock, which can lead to catastrophic engine failure. Some owners have mentioned that besides all the amazing features, the Bobcat 3400 is not the best option when considering a vehicle for straight-line performance. Additional OEM Bobcat Part Numbers:7275454REM, 7334032, 7030364, 7334032REM. Bobcat tractors rank among the highly-rated tractors in the market. With a scanner, you can monitor desired vs actual rail pressure to check and see if the engine has adequate rail pressure. 721 Bobcat Injector Pump Shimming Gaskets, Problem with joystick buttons Bobcat S175. This is especially true if the tractors are driven for long hours. Common Problems of the Bobcat 3400: 1. The joystick controls commonly breed some problems. Before you decide on any plan of action please read this article. Definitely not the Bobcat brand that we have owned for years. If the fuel cannot flow properly from the tank to the fuel injector, the engine will lose its ability to run powerfully. Next, you will need to pull off the top cover that sits underneath the fuel lines. According to most customers, the Bobcat T590 is a great compact track loader for loading and unloading tasks. The brand employs top-notch manufacturing techniques, yet the tractors are reasonably priced. If the valve fails, the engine has no way of responding to commands to move rail pressure up or down. We work with a lot of Doosan's D18, D24 and D34 engines which are commonly used to power skid steer loaders, excavators, track loaders, tow compressors and toolcats. This fitting can be cleaned, if cleaning Now that the hold down clamp is removed you can detach the injectors safety lock and unplug the injector. The information here will help you make an educated buying decision if you are eyeing any of these tractors. Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com. Ideally, the charge pump releases the required pressure to the brakes and prevents a free fall drive. Welcome to Off-Road Care. One particular user even mentioned that he was constantly having gear shifting issues and he even experienced very rough shifts when the gear originally shifted. Why Should I replace all six of my DD13 or DD15 Fuel Injectors? This can cause some serious problems with the tractors engine. I have an older 543 Bobcat that I use occasionally around the house for landscaping and repair. Make sure the wires from the joystick to the hydraulic pump and actuators are connected. It can happen if you have not used your four-wheel drive for quite a long time. Thankfully, Bobcat provides a solution to this problem by designing reinforced tires that can withstand hard surfaces. Both the injectors and the injection pump are highly vulnerable to poor fuel quality, contamination, or foreign debris. ALL NEW MEMBERS READ THIS FIRST!! Its easier to remove the lines all together, you need to loosen them at the pump and access is hard putting them back on, i generally totally remove them. Questions about fit? If the injection pump is failing, the pump will have a difficult time keeping up with desired engine rail pressure. Page 1 of 2 1 2 Next > siedow0621 Member. Never do this. 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. 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. If there is an open or short circuit in the glow plug, it can cause the engine to be defective. So, to confirm it check whether the secondary clutch is spinning at idle or not. This means that the tires will still have a shorter lifespan if used on surfaces they are not designed for. I replaced the fuel water separator already. We get a lot of calls from our customers asking about the various components on the Bobcat common rail fuel injection systems. High-pressure common rail fuel system is an advanced fuel injection design that regulates fuel pressure and injection timing. Carefully ensure that the hex allen head is fully seated in the nut of the bolt. 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. https://spotifyanchor-web.app.link/e/jY1o8cQ3Xwb#bobcatrepair #howididit #bobcat The bobcat t590 comes with a rear mount diesel-run engine. I have a 2015 bobcat t590, after warmup (about 15 minutes of. For a better experience, please enable JavaScript in your browser before proceeding. At one time, the engine completely refused to start, even the next day. Warbird does Cat make a switch for the pattern changer on their machines or is it just left joystick operates machine and right joystick operates loader/bucket. This will cause problems if the tractor is driven in locations such as construction sites and other places that are prone to tire punctures. An introduction to the Detroit Diesel DD13 and DD15 Fuel System. Right now the post is the last one on page three if you want ot search that way. So if you have limited space but need maximum lift height, this is the one you should go for. We get asked frequently about whether the inlet metering valve can be checked on the equipment. Was wondering if there is anyone willing to talk me through this process. There may be several reasons why you might need to remove an injector. Apart from the problem of hard surfaces, the tires wear out rather quickly. Select Common Rail Injectors: 24 Months, Unlimited Miles/Hours Despite all these features, Bobcat 3400 still has some technical downsides because of which consumers can encounter some common issues while riding this. Tazza said: There shouuld be a pickup screen with a one way valve in the tank. Hi folks. Choosing a selection results in a full page refresh. Once all screws are off, remove the cover. 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. So you need to check each of them. Many users change the oil after 500 hours of use and carry out other routine maintenance to the best of their ability. There can be other parts or components involvement causing this shifting trouble too. The company initially received several consumers complaints about the 2015 Bobcat 3400 UTV models. Removal of this seal will void any warranty. This component tends to develop fault rather too frequently in some Bobcat tractors. Give us a call with your Bobcat equipment serial number. The Bobcat 3400 UTV model is no exception ensuring the perfect balance of power, quality, performance, and reliability. Posted on Published: November 19, 2021- Last updated: January 13, 2023, 5 Most Common Problems with Kawasaki Mule 4010, 6 Most Common Problems with Kymco UXV 450I, Your email address will not be published. The first unit had issues at 2600 hours but was repaired under warranty from Bobcat but failed again at 3800 hours. This is especially the case with owners living in rural areas. bobcat 773 injection pump. Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. Below is a list of products and associated warranties: 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. It is not uncommon for many Bobcat tractor users to believe that their motor is faulty when the actual problem is with the charge pump. Still, you may face some of the problems that I have discussed in the article. Join Our Mailing List Purchase your parts from us today or reach out if you have any questions. The fuel system is very simple. Is this rear pipe the problem? Unfortunately, being able to access readily available spare parts for many Bobcat tractors can be quite challenging. The bearing also seems not to last as expected. If you fail to do this, the filter can get clogged and defective resulting in contaminated fuel and faulty engine performance. SPONSORED. He even noticed notably low hours while having those issues. Thats because the fuel cannot flow due to the clogged filter eventually resulting in the power loss of the loader. If you do not check this box, your product will not ship until Diesel Pro receives a qualifying core. The bobcat cranes are best known for heavy-duty operations. 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. Our technicians expect the update to take up to 24 hours due to the size of our files. 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. You are using an out of date browser. If the 743B used the same engine as the 743 there should be a lift pump mounted on the side of the injection pump housing. Thats why the users are also happy with this track loader. And thats because a weak charge pump may disguise as a problem with the motor. These tires spread the weight of the tractor evenly over a large area to increase balance. I haven't experienced any noticeable difference in power between the new and old. I removed the fuel filter, some fuel inside, the filter looks okay, but I dont know how old it is, so it might be blocked. However, it is usually best to dig deeper to discover likely issues that may crop up if you choose to buy one of these tractors. Next, remove the hold down. Press Esc to cancel. Once your injector is removed, be sure to check that the o-ring attached to the injector also came out. The last one goes back to the fuel tank. 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. Sometimes I can coax it back into life with plenty of cranking and gradually raising the revs, but the result is always short lived. Diesel Fuel Injection Pumps: 12 Months, Unlimited Miles/Hours For instance, E005324-04 ECU alludes to glow plug failure. You should also check the fuel cap to make sure it is venting. Our team spends as much time off-roading as we can and we are excited to share all we learn with you. However, just like other machines, you can face some problems with this one also. Then comes the hydraulic pump. All Other Products: Warranted against defects of material/workmanship as shipped 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. 5 Most Common Problems with Tracker 800SX, 6 Most Common Problems with Can-Am Maverick Sport, 5 Most Common Problems with Polaris Ranger 66. Therefore, the best thing to do is to test the fuel pressure with a tester. Each unit had issues at the 3000 to 4000 hour mark and were extremely hard on fuel filters (sometimes 2-3 between 250 hours). We welcome you to register using the "Register" icon at the top of the page. What I also found was a second fuel or air line coming from the tank and fitting onto a small pipe at the rear of the engine on the injector rail I guess its called. Your email address will not be published. One particular 2012 Bobcat UTV user mentioned that he was encountering all those earlier mentioned symptoms. Keep in mind that the pinouts are model-specific, so check the Bobcat loader's manual to determine the compatible pinouts. Or you may be experiencing some issues with your machine and need to test your injectors to determine if they are faulty. , you can also contact us at contact@expertdieselparts.com. 6672405 6687911, 3X Fuel Injector Compatible With Bobcat 428 463 553 S70 S100. First, you will need to loosen the bolt. Thank you! The fuel just runs back to the tank with the bleed screw open, close it then start the machine. So keep them under regular maintenance. Remove the 3 clamps on the injector tube lines. https://spotifyanchor-web.app.link/e/jY1o8cQ3XwbAmazon Affiliate Links:Injector Leak Tester https://amzn.to/3oV4yJvMy cool orange gloves https://amzn.to/3oU0qtk#bobcatrepair #howididit #bobcat Also, check the entire fuel system thoroughly and clean up the fuel system and all electrical connections, if required. If this is the case you just need to clean or replace the filter. One of the most common problems we hear about is equipment where fuel has been contaminated and contamination has moved to the fuel injection pump, the fuel rail, and the fuel injectors. Remember, the four-wheel-drive used in the Bobcat UTV is not powerful and strong enough to engage it through the build-up corrosion. Do not forget to check on your pressure gauges condition and replace it if needed. Experiencing similar fuel filter problems here in Massachusetts. I have covered the possible solutions as well - . 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. After you've made a number of posts you will graduate to Full Member status where you'll see a few more privileges. Fuel Rail: When the fuel system becomes contaminated with metal or other debris, chances are this debris will settle into the fuel rail. Thank you for joining Heavy Equipment Forums! Pinouts. 10. 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. It can happen when the ECU loses the connection or contact with the Transfer case actuator motor or the front different actuator. Required fields are marked *. The 7275454 Fuel Injector is a trim coded injector. I cant check until about another week, the machine is on my country block..I'll see how I go. JavaScript is disabled. Another possible reason can be the false alert from your Four-wheel drive light. Are genuine OE Injectors from a dealer worth the money? There is a 12 month unlimited hours warranty on this fuel injector. There are about 10 screws that go around the cover. If someone could explain how the 743 fuel system works I would much appreciate it. The most obvious reason can be the bad, broken, or loose drive belt. If the fuel rail loses pressure due to a clogged filter or other reasons . This product has a refundable core charge. Things can even get worse if there is an extra occupant in the cab. Once loosened, remove the bolt and place it to the side. I might get 5 minutes out of it, sometimes a little more, 10-15min. Engine oil level is insufficient - Check and refill engine oil. The fuel control valves in these injectors are very small and any amount of debris in the injector can get lodged in the control valve and cause problems. The machines are powerful, versatile, and built to last. Well, guessing that the main culprit can be the primary or secondary clutch was not entirely wrong, but you need to be sure first before you actually take the action. Also, the service light turning On can indicate the bad switch, sensor, or 4WD linkage. The fuel systems on the Bobcat 1.8L & 2.4L Tier 4 diesel engines are high pressure common rail by Delphi. This includes the fuel rail, the injection lines, the fuel supply line, as well as the fuel return line. Heres a link to our Bobcat troubleshooting article: Bobcat Troubleshooting, Warranty by product type. But it doesn't seem to be the cold, we can't run our machine with the snowblower even as warm as 30 degrees. The brand also has good financing options for users who cant afford an outright payment. You can maneuver it through tough terrain without thinking about overheating. Fuel system can't keep up with the demand and constantly needs fuel filters to get through a storm. You should get 400-450PSI on a good engine, i was told 300-350 is still acceptable for home use. 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). If your filter gets clogged, the hydraulic fluid backs up into the motor which causes high pressure. What I ment was sometimes people accidentally put in gas instead of diesel. If you are new to forums we communicate with "Threads", please search our threads to see if your topic may have already been answered and if not then click "Post New Thread" in the appropriate forum. 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. I can restart the machine after waiting a couple hours. These pumps are very expensive and this might help. The Fuel injectors for the Bobcat Doosan D24 and D34 engines are high pressure common rail by Delphi. But they are not without a few drawbacks. The Bobcat D24 and D34 injection pump for these engines is extremely sensitive to fuel contamination. If you do have any questions about anything related to removing an injector or about our parts, you can also contact us at contact@expertdieselparts.com. Refer back to the injector hold down clamp. They are left with only one quick option, and thats using improvised methods in an attempt to fix the problem. Some users who drive the Bobcat tractors on concrete, asphalt, and other types of hard surfaces discover a common problem. Bobcat T750 Won't Start, Fuel Starvation, Fuel Pickup Tube Repair Step-1: Check Fuel Related Issue Step-2: Check Your Fuel Pull Solenoid Step-3: Make Sure That Your Tank Gets Sufficient Fuel Supply Step-4: Look At The Lift Pump Step-5: Clean The Whole Engine Area Step 6- Fix The Issues Bobcat T750 Lift And Tilt Not Working: 8 Simple Steps To Fix It The pump applies high pressure to fuel (22,000 " 34,000 psi) The common rail stores pressurized fuel The injectors deliver fuel to the engine Fuel injection pump . After checking the fuel filter, its time to check the fuel tank. To make things worse, the problem can be tricky to figure out. To do that you will need to pull off the PCV tube. This is most probably the only major issue that happened to the Bobcat 3400 series. Now go ahead and remove the fuel line on the injector that you need to replace by unscrewing both caps on each end of the fuel line. While operating, the engine seems very good, plenty of power, good idle etc. A small amount of contamination can invade the control valves in these injectors and cause premature failure. Engine runs for a while then slows, loses power and quits. Engine overload - Load reducing is recommended. Yep, plenty of fuel, about 3/4 full. 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. This process looks fairly similar for each fuel system so let's get started. 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. So keep the skid steer under regular maintenance and enjoy long-time service from it! Here are 4 common problems of bobcat t590. It's 2 easy checks and could save some grief. Tires from the factory are fitted to accommodate lots of air. If your model has a belt-driven pump, maintain that the belts are not worn or loose. Refill the fuel tank with the right amount of diesel. The first post is a list of all the repair posts in that thread. Find the one about timing the LS180 etc and click on the link to open the pdf file. Because the pinhole leaks are apparent when the systems fluid is under pressure. There are safety switches throughout various panels and the drivers seat. Thanks for your patience! Remove the nut on the top of the injector, the . However, just like any other top vehicle, Bobcat 3400 also has its downsides, which leads the customers or owners to experience some common troubleshooting issues. Is there anything on the end of the fuel line in the tank? Also, note that experts suggest engaging and driving the four-Wheel Drive for a while once a month to keep it clean and active. 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 valves should open and close fully. But sometimes you need to replace the whole system, which costs a lot. Atart at one end and remove from the inejctor and pump. So make sure its in good condition and the fuel injector is not clogged. Unfortunately, some owners only succeed in causing more problems with the motor. Venting is a good point too. The fuel injection system is a major area of focus for advancement towards clean operating diesel engines. Bobcat equipment software has a test to check the injectors to see if the respond to a signal. There will be a few more litle hoses to each one to the rear of the head. This process looks fairly similar for each fuel system so let's get started. What this means is having the trim code loaded into the Bobcat equipment ECM is important for proper engine operation. thanks for any help. on how to clean your injector at home. Contents hide Fuel gauge not working Excessive black smoke on the right side of the engine Cylinder #5 misfire code P0305 Two wires on the injectors run back to a harness The connector had been cut and part of it was missing The fuel gauge shows empty when it has a full tank I assume it must pressurize the tank so fuel can flow, or something, I'm not sure. 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. Diesel Fuel Injectors: 12 Months Unlimited Miles/Hours Later in August 2018, the company recalled a total of 2,700 units of 3400 and 3400XL UTV models. Also, when your pressure gauge is turned faulty or damaged, it can give you the wrong reading. It sits in front of the engine and is a crucial part of your loader. 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? As a result, he was forced to shut down the engine and had to rock the engine in order to free the clutch so that the gear shifter can start shifting. Regardless of whether you are cleaning or replacing the injector, we recommended using a new o-ring seal, just make sure you put lubricant when placing a new o-ring. Bobcat 3400 UTV model is a formidable competitor, which comes with a continuously variable transmission or CVT for dealing with the toughest jobs, where other UTVs cannot even attempt to perform. Are Bobcat Tractors Any Good? Bobcat is one of the major manufacturers of skid steer or track loader for the last 50 years. 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. Regardless of how durable and well-built a tractors components and parts are, they will eventually break down and need replacement. Before you go off and get your injectors and pump repaired, i would check your valve clearance, then do a compression test. Usually, this kind of occurrence is a possible indication of insufficient fuel pressure. Some users who drive the Bobcat tractors on concrete, asphalt, and other types of hard surfaces discover a common problem.