The bobcat cranes are best known for heavy-duty operations. Repair them if there are any. My bobcat 743 is puffing some major black smoke when in heavy use. The brand employs top-notch manufacturing techniques, yet the tractors are reasonably priced. Oil thinning, which can lead to catastrophic engine failure. 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. There may be several reasons why you might need to remove an injector. It may not display this or other websites correctly. When a technician sees the codes, they can identify the faulty circuits and know the main cause by further inspection. While this is a good thing since it allows for a smoother ride, tires with too much air can reduce the tractors balance. This fitting can be cleaned, if cleaning If the return fuel is blocked, pressure increases in the injection pump. 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. Increased Fuel Consumption. 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. It can happen when the ECU loses the connection or contact with the Transfer case actuator motor or the front different actuator. Some tanks also have a filter in the bottom of the tank. Questions about fit? Apart from these two, make sure the engines throttle cable is secured to the throttle body all the wiring and connector pins are in good condition without any corrosion or damage. 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. If you do have any questions about anything related to removing an injector or about our. If someone could explain how the 743 fuel system works I would much appreciate it. It is common to hear users inquiring about how to locate stores selling Bobcat tractor spare parts. Next, at the rear of the cab remove the circle access cover located on the side of the cab to disconnect the heater valve, blower fan, and thermostat connector . Are genuine OE Injectors from a dealer worth the money? One of the convenience features that people look forward to when buying heavy-duty equipment such as tractors is the availability of spare parts. Here are 4 common problems of bobcat t590. On a side note, I have heard they have a new line that runs hot fuel to the front of the filter in the new Bobcat's, has anyone else heard if that's helping? If the problem is in the glow plug, it would need some professional inspection to diagnose the exact reason. , you can also contact us at contact@expertdieselparts.com. 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. If they malfunction, the steer responds late. 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. 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. You are using an out of date browser. Discussion in 'Skid Steers' started by siedow0621, Dec 16, 2009. There is a small hose that goes to number one injector tap off line. I have a 2015 bobcat t590, after warmup (about 15 minutes of work) the engine stalls, and then I get code e0005703. Additional OEM Bobcat Part Numbers: 7275454REM, 7334032, 7030364, 7334032REM. Finally, check all the seals and fittings to the control valves. The company immediately got involved to investigate thoroughly. Diesel Fuel Injection Pumps: 12 Months, Unlimited Miles/Hours 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. If you do not check this box, your product will not ship until Diesel Pro receives a qualifying core. Once the cover is removed you now have access to the injectors hold down assembly. Regardless of how durable and well-built a tractors components and parts are, they will eventually break down and need replacement. The tractor tires do not last as long as expected. 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. Next, you will need to get access to the injector hold down bolt. To make things worse, many of the tires featured on some of the tractors models are typically flat. 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 most common reason for failure we see in these injectors is fuel contamination. Core Charge Policy Both pipes feed in at the top of the tank, so clearly the engine must be doing something to create a siphon affect. Your just checking every crazy thing that could be a problem. It has the highest lifting height in the 500 series. Restore performance to your Doosan Bobcat D18 and D24 Tier 4 diesel engine with the brand new 7275454 Delphi fuel injector. Driving the machine on areas that need plenty of balance will require a lot of effort. The machines have their strengths and weaknesses just like any other tractors from other brands. What I ment was sometimes people accidentally put in gas instead of diesel. We welcome you to register using the "Register" icon at the top of the page. Pinouts. bobcat 773 injection pump. 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. Remove the nut on the top of the injector, the . These fuel lines are bolted down pretty firmly and it can be easy to damage a fuel line or not properly seal it back. They are left with only one quick option, and thats using improvised methods in an attempt to fix the problem. This will cause problems if the tractor is driven in locations such as construction sites and other places that are prone to tire punctures. If you are interested in having your pump tested, give us a call. Do not forget to check on your pressure gauges condition and replace it if needed. I have covered the possible solutions as well - . It appears to be a gravity fed system somehow. In that meantime, corrosion has already built against the parts and the actuator which are responsible for engaging. Before you go off and get your injectors and pump repaired, i would check your valve clearance, then do a compression test. Something seems to be disallowing fuel through. The problem can lie in any of these components or even all of them can become faulty. Despite all these features, Bobcat 3400 still has some technical downsides because of which consumers can encounter some common issues while riding this. Following these guidelines will help make this the best resource for heavy equipment on the net. Never do this. D34 Fuel Injector: 7261663 Bobcat Doosan D34 Fuel Injector These pumps are very expensive and this might help. Required fields are marked *. Next, you will need to pull off the top cover that sits underneath the fuel lines. This product has a refundable core charge. Heavy Equipment Forums is scheduled to go offline at 6:30am Eastern Sunday March 5th for an extensive software update. Fan belt is worn or faulty - Fan belt must be replaced. if they get blocked with dust, it will pour out smoke. 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. thanks for any help. The bucket fails to tilt and lift when the pinouts on your loader's harness plug are not compatible with the bucket. I was stuck out in the open with a pile of logs in the bucket. The engine doesn't have the same power as the Kubota and 2. High pressure builds until the oil seal eventually fails. There is a bleed screw that is on the pump where the fuel line connects. So make sure its in good condition and the fuel injector is not clogged. Another necessary check is the leaks or poor fits in the hydraulic lines. ALL NEW MEMBERS READ THIS FIRST!! 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. Lastly, remove the hose connected to the fuel return valve on the injection pump. SPONSORED. Apart from the problem of hard surfaces, the tires wear out rather quickly. Heres a link to our Bobcat troubleshooting article: Bobcat Troubleshooting, Warranty by product type. Bobcat t590 is one of the greatest additions of them. Find the one about timing the LS180 etc and click on the link to open the pdf file. The fuel injection system is a major area of focus for advancement towards clean operating diesel engines. Heres a quick rundown of the major pros and cons. To make things worse, the problem can be tricky to figure out. 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. 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 Any help appreciated. Symptoms of Leaking Fuel Injectors: Hard Starting when engine is hot. So keep the skid steer under regular maintenance and enjoy long-time service from it! 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. Choosing a selection results in a full page refresh. 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. Things can even get worse if there is an extra occupant in the cab. Step 1. Here are 4 common problems of bobcat t590. Both the injectors and the injection pump are highly vulnerable to poor fuel quality, contamination, or foreign debris. These pumps are very expensive and this might help prevent misdiagnosing the injection pump due to low rail pressure.Want more? Sometimes, it can also happen when your fuel system and electrical wiring or terminals covers with an excessive volume of corrosion and external debris. Regardless of these problems, Bobcat tractors are mostly reliable. bobcat t590 air in the fuel system problem If you ever have an air leak in the fuel system you will need to prime the fuel system. We sell a wide range of parts including the entire fuel system kits for the D24, D34 and D18 engines. Remember, the four-wheel-drive used in the Bobcat UTV is not powerful and strong enough to engage it through the build-up corrosion. Today it started, ran for about 1 minute and died. Press Esc to cancel. Thats because the clogged filters will push the hydraulic into the motor and mix everything up. Engine oil level is insufficient - Check and refill engine oil. Hydro-lock, which can lead to catastrophic engine failure. Then comes the hydraulic pump. This also causes the hydraulic fluid and gear oil to mix which can cause additional problems. According to a group of Bobcat 3400 users, some of the previous models only shift gears when its off or when they rock the unit forward and backward. Welcome to Off-Road Care. You might have to further loosen it up by moving the injector to remove the hold down bolt. 5 Most Common Problems with Tracker 800SX, 6 Most Common Problems with Can-Am Maverick Sport, 5 Most Common Problems with Polaris Ranger 66. So keep them under regular maintenance. Damaged radiator cap or dirty radiator core - Clean radiator or change cap. Hi folks. Modern View Forum powered by 2001, 2005 phpBB Group JavaScript is disabled. 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. There will be a few more litle hoses to each one to the rear of the head. An introduction to the Detroit Diesel DD13 and DD15 Fuel System. Does it have a pickup filter of sorts? Open the cap on your fuel tank. One of the major issues with Bobcat tractors is difficulty in getting parts, especially for rural dwellers. After years in the Bobcat it likes to fall off into the tank. If the situation is not that bad, cleaning these components will do the work. If your compression is good, it would be worth getting your injection system done. 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. 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 There is a 12 month unlimited hours warranty on this fuel injector. Big snow chains on front tires only: is there slip between front and back wheels to allow for the now larger dia front tire. But they are not without a few drawbacks. There is a 12 month unlimited hours warranty on this fuel injector. Once all screws are off, remove the cover. Free shipping. These two are some common symptoms of your bobcat t590 failures. Big snow chains on front tires only: is there slip between front and back wheels to allow for the now larger dia front tire. You will need to start by removing the airbox to get access to the injectors. Thats because the fuel cannot flow due to the clogged filter eventually resulting in the power loss of the loader. Atart at one end and remove from the inejctor and pump. 721 Bobcat Injector Pump Shimming Gaskets, Problem with joystick buttons Bobcat S175. After you've made a number of posts you will graduate to Full Member status where you'll see a few more privileges. 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. 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 Keep in mind that the pinouts are model-specific, so check the Bobcat loader's manual to determine the compatible pinouts. Removal of this seal will void any warranty. The tractor tires do not last as long as expected. Another common issue for drive motors is clogged case drain filters. Thanks for all the advice. Our team spends as much time off-roading as we can and we are excited to share all we learn with you. Joined: Dec 15, 2009 Messages: 20 Location: minnesota. In many cases, owners will spend time, effort, and money on repairing the motor, but the problem will persist. First raise the lift arms of the machine and install an approved lift arm support device. (Explained for Beginners). 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. If you are interested in having us test your injectors, give us a call. JavaScript is disabled. The brand also has good financing options for users who cant afford an outright payment. Page 1 of 2 1 2 Next > siedow0621 Member. Checking this box adds a Core Charge to the product. Before you get into removing any other parts, grab a cloth or a towel and clean off any dirt, dust and particles that could potentially fall into your engine. The trim code helps the ECM account for small manufacturing variances in the fuel injector body. While this may work in a few cases, it is only a temporary solution and will ultimately lead to more problems. If the fluid level is high or low, it wont be able to provide the expected performance. This means that the tires will still have a shorter lifespan if used on surfaces they are not designed for. You can maneuver it through tough terrain without thinking about overheating. To do that you will need to pull off the PCV tube. If you replace the injection pump or injectors and do not replace the fuel rail, there is a chance the debris sitting in the rail from a previous failure will once again be introduced into the components which were just replaced and cause premature failure. This is especially the case with owners living in rural areas. Usually a bad or failing fuel injector will produce a few symptoms that can alert the driver of a potential issue 1. Pressurize the hydraulic system and ensure the pump and engine are running before this check. But it doesn't seem to be the cold, we can't run our machine with the snowblower even as warm as 30 degrees. If you do not, your IMV may be bad or wiring to the IMV may be compromised. Bobcat tractors rank among the highly-rated tractors in the market. The first post is a list of all the repair posts in that thread. There are about 10 screws that go around the cover. Still, you may face some of the problems that I have discussed in the article. Step 2. Sometimes I can coax it back into life with plenty of cranking and gradually raising the revs, but the result is always short lived. After that, check your primary clutch whether it sticks a little off the throttle and jerks back, which can cause penetrating clutch weights or wasted bushings. The valves should open and close fully. 10. One particular 2012 Bobcat UTV user mentioned that he was encountering all those earlier mentioned symptoms. for the D24, D34 and D18 engines. We also recommend using protective gloves and eyewear to prevent fuel leakage. All connections should be secure properly for the steering to respond. This compact track loader is exceptionally well designed and has impressive features. on how to clean your injector at home. Sometimes, the steer doesnt respond at all. If your model has a belt-driven pump, maintain that the belts are not worn or loose. This Max fuel stop screw just limits the maximum amount of fuel that can be delivered to the engine at max load condition. Your bobcat t590 skid steer filter needs to be replaced after a certain time. Fuel system can't keep up with the demand and constantly needs fuel filters to get through a storm. 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. Make sure to remove the cover before removing the injection fuel lines. If they respond slowly, safety switches can be at fault. The injectors will bleed rail pressure through the fuel return or could even have a nozzle stuck open (less common). While operating, the engine seems very good, plenty of power, good idle etc. And according to reports, this complaint was not only about the 2015 versions, but also included the 2018 versions. And thats because a weak charge pump may disguise as a problem with the motor. For a better experience, please enable JavaScript in your browser before proceeding. (You must log in or sign up to reply here. If they still dont respond, replace the joystick control circuit hoard. Thank you for joining Heavy Equipment Forums! This will allow all of our members to see your question and give you the best chance to be answered. Perhaps you are looking at doing some maintenance work on your parts in which you should also review this. Right now the post is the last one on page three if you want ot search that way. Thank you for visiting HeavyEquipmentForums.com! You are using an out of date browser. So wear gloves and safety goggles while performing this check. Also, note that experts suggest engaging and driving the four-Wheel Drive for a while once a month to keep it clean and active. The 7275454 Fuel Injector is a trim coded injector. I'm not sure what you mean by the 'elbow to the tank'. Before replacing the any common rail fuel injector, cleaning the rest of the fuel system is critical. According to most customers, the Bobcat T590 is a great compact track loader for loading and unloading tasks. 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. The first thing to inspect is the hydraulic fluid level. Consumers noticed that their vehicles exhaust header pipes were cracking and had the potential chance of extreme burn or fire hazards. Read moreabout us here. These tires spread the weight of the tractor evenly over a large area to increase balance. This did work when I ran it dry. The Fuel injectors for the Bobcat Doosan D24 and D34 engines are high pressure common rail by Delphi. The Fuel injectors for the Bobcat Doosan D24 and D34 engines are high pressure common rail by Delphi. If you have water in the fuel you will be able to see it when it separates. 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. The company initially received several consumers complaints about the 2015 Bobcat 3400 UTV models. If the valve fails, the engine has no way of responding to commands to move rail pressure up or down. I discovered that if I squeezed the fuel primer ball every 15 seconds, the unit would stay running. 1. Lack of eater or coolant can also cause this. Whenever we talk about any skid steer problem, this engine issue always comes first. It may sit for several months without use. Another possible reason behind this shifting trouble can be the belt when you do not have an OEM belt. Makes sense. Common Problems of the Bobcat 3400: 1. This is especially true if the tractors are driven for long hours. The fuel system easily gels up in colder weather. Ultimately, it enhances your site productivity. This means the product will ship, you will pay the core charge, and you will be refunded when Diesel Pro receives an acceptable core. 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. All Other Products: Warranted against defects of material/workmanship as shipped Core Charge Required Experiencing similar fuel filter problems here in Massachusetts. I'm not sure what to do with the fuel system once air has entered and I also removed the fuel filter. Its the perfect example of a well-built and well-equipped machine that lets you smoothly complete even the most demanding job. 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. 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. So you should know them. Are Bobcat Tractors Any Good? It can happen if you have not used your four-wheel drive for quite a long time. Give us a call with your Bobcat equipment serial number. The problem has come back, I have checked the fuel lines, the fuel pickup tube in the fuel tank, replaced the fuel . You should also check the fuel cap to make sure it is venting. Some users who drive the Bobcat tractors on concrete, asphalt, and other types of hard surfaces discover a common problem. Whether you need to clean the injector, take it to a dealer, or replace it, its a fairly simple process to remove a fuel injector from a Doosan Bobcat engine. 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. Hopefully someone here might be able to help me in the right direction. That problem seemed to fixed itself as it had been running trouble free for the last three years until today. If you are working in a dusty ambiance, the replacement should be more frequent. My problem is I need the all wheel steer during the construction season, otherwise I'd never buy a Bobcat again. You may have to loosen the injector with help from a wrench. 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. 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. Injectors are easy to remove/replace. However, a faulty charge pump can also contribute to the final failure of the motor drive, although it starts on its own. You will likely need to log in when the update is done so make sure you have that information available before we shut down. So, lets learn about the 5 most common problems that one might experience with the Bobcat 3400 UTV-. 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 . Refill the fuel tank with the right amount of diesel. Engine overheats Lack of engine coolant - The cooling system needs to be refilled and checked for faults. For a better experience, please enable JavaScript in your browser before proceeding. If the injection pump is failing, the pump will have a difficult time keeping up with desired engine rail pressure. The first unit had issues at 2600 hours but was repaired under warranty from Bobcat but failed again at 3800 hours. Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com. This is how to do it. I replaced the fuel water separator already. Some users who drive the Bobcat tractors on concrete, asphalt, and other types of hard surfaces discover a common problem. Definitely not the Bobcat brand that we have owned for years. Fuel contamination is the leading cause of failure, If you are experiencing rail pressure codes or problems, it is most likely an issue with your injection pump or injectors, Keep the fill area on your equipment clean and free of debris, Change the fuel filter regularly to keep your fuel as clean as possible, Excavators: E32, E35, E42, E45, E50, E55, E85, Skid Steer Loaders:S450, S510, S530, S550, S570, S590, S595, S630, S650, Track Loaders:T450, T550, T590, T595, T630, T650. The bobcat t590 comes with a rear mount diesel-run engine. After checking the fuel filter, its time to check the fuel tank. 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. 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. (Explained for Beginners), The tractors are economical in the long-run, Versatile machines, useful for construction, landscaping, and farm works, Possible charge pump and drive motor issues, Tires may be problematic on some surfaces. Is this rear pipe the problem? Thankfully, Bobcat provides a solution to this problem by designing reinforced tires that can withstand hard surfaces. You may also want to check to see if there was gasoline put into tank. Rough Idle. The goal here is to remove ONLY the fuel line that is attached to the injector that you absolutely need to remove. 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. Thanks for that. Also, the service light turning On can indicate the bad switch, sensor, or 4WD linkage. Below is a list of products and associated warranties: The drive motor is one of the powerpoints of these tractors, especially the Skid Steer Loader. That would let it run for 10 min or so and then power out. Related Article:Are Bobcat Tractors Any Good? Ok, sounds like your problem isn't a broken pickup tube inside the tank, and a faulty injection pump rack could be the problem. Purchase your parts from us today or reach out if you have any questions. Therefore, the best thing to do is to test the fuel pressure with a tester. As a result, driving up to a precise point at a low range or reverse becomes extremely difficult. The previous owner just told me to start it with the air bleed screw open and gradually close it as the engine clears. This is most probably the only major issue that happened to the Bobcat 3400 series. With a scanner, you can monitor desired vs actual rail pressure to check and see if the engine has adequate rail pressure. Tazza said: There shouuld be a pickup screen with a one way valve in the tank. Some users get frustrated after searching in vain, and simply decide to install a different brands spare part in their machines. 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.