bobcat injector problems

The more members that join, the bigger resource for all to enjoy. One of the convenience features that people look forward to when buying heavy-duty equipment such as tractors is the availability of spare parts. 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. This is how to do it. 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. Apart from the problem of hard surfaces, the tires wear out rather quickly. 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. If the valve fails, the engine has no way of responding to commands to move rail pressure up or down. If the problem is in the glow plug, it would need some professional inspection to diagnose the exact reason. Once the cover is removed you now have access to the injectors hold down assembly. I used the hand pump to feed fuel into the glass bowl. Page 1 of 2 1 2 Next > siedow0621 Member. Indeed, there are tons of positive reviews about Bobcat tractors, and these are mostly true. If the injection pump is failing, the pump will have a difficult time keeping up with desired engine rail pressure. for News, Products & Specials, Troubleshooting Bobcat Doosan D18 | D24 | D34 Fuel Systems. The fuel system easily gels up in colder weather. The problem can lie in any of these components or even all of them can become faulty. Diesel Pro has developed an 8-step testing procedure to electronically simulate the on-engine conditions on our test equipment. Regardless of how durable and well-built a tractors components and parts are, they will eventually break down and need replacement. While operating, the engine seems very good, plenty of power, good idle etc. If the return fuel is blocked, pressure increases in the injection pump. The inlet metering valve is responsible for metering rail pressure on the Bobcat D24 and D34 diesel engine. The company immediately got involved to investigate thoroughly. If the fuel rail loses pressure due to a clogged filter or other reasons . The tractor tires do not last as long as expected. So, lets learn about the 5 most common problems that one might experience with the Bobcat 3400 UTV-. Remove the nut on the top of the injector, the . Below is a list of products and associated warranties: Venting is a good point too. If you have any problems getting back online contact me through Facebook Messenger on the Facebook HEF page. This also causes the hydraulic fluid and gear oil to mix which can cause additional problems. However, some have also mentioned the problems, which I have already discussed earlier. Here are 4 common problems of bobcat t590. We'd appreciate any help you can offer in spreading the word of our new site. , you can also contact us at [email protected]. JavaScript is disabled. You are using an out of date browser. So if you have limited space but need maximum lift height, this is the one you should go for. My question is: should the ball pump up firm? 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. 2. Remember, the four-wheel-drive used in the Bobcat UTV is not powerful and strong enough to engage it through the build-up corrosion. 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. The most common reason for failure we see in these injectors is fuel contamination. 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. Pinouts. See our core policy by clicking return policy at the bottom of the page. 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). 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. These pumps are very expensive and this might help prevent misdiagnosing the injection pump due to low rail pressure.Want more? That problem seemed to fixed itself as it had been running trouble free for the last three years until today. Thanks for all the advice. 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. 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. Then comes the hydraulic pump. Checking this box adds a Core Charge to the product. 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. Never do this. Here are a few tips to help you get your Bobcat equipment up and working the way it should be. When a technician sees the codes, they can identify the faulty circuits and know the main cause by further inspection. Make sure the wires from the joystick to the hydraulic pump and actuators are connected. We get asked frequently about whether the inlet metering valve can be checked on the equipment. Our technicians expect the update to take up to 24 hours due to the size of our files. Some people overfill it and think it will work better. Any help appreciated. This is especially true if the tractors are driven for long hours. Read moreabout us here. 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. 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. Bobcat t590 is designed to be durable with minimal maintenance. Step 1. If you have water in the fuel you will be able to see it when it separates. 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. In many cases, owners will spend time, effort, and money on repairing the motor, but the problem will persist. This includes the fuel rail, the injection lines, the fuel supply line, as well as the fuel return line. Choosing a selection results in a full page refresh. Sometimes I can coax it back into life with plenty of cranking and gradually raising the revs, but the result is always short lived. Oil thinning, which can lead to catastrophic engine failure. Because the pinhole leaks are apparent when the systems fluid is under pressure. Related Article:Are Bobcat Tractors Any Good? I have a 2015 bobcat t590, after warmup (about 15 minutes of. Are genuine OE Injectors from a dealer worth the money? Common Problems of the Bobcat 3400: 1. The reason for this is there is no great way of cleaning the fuel rail. 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. The error codes help you to identify the cause of the problem. These fuel lines are bolted down pretty firmly and it can be easy to damage a fuel line or not properly seal it back. Or you may be experiencing some issues with your machine and need to test your injectors to determine if they are faulty. This will allow all of our members to see your question and give you the best chance to be answered. I cant check until about another week, the machine is on my country block..I'll see how I go. Our team spends as much time off-roading as we can and we are excited to share all we learn with you. Excessive battery drain can also cause this problem. Required fields are marked *. Both pipes feed in at the top of the tank, so clearly the engine must be doing something to create a siphon affect. Does anyone know if Bobcat has started to use these fuel recirculation systems on the newer machines ? Turbochargers: 12 Months, Unlimited Miles/Hours Restore performance to your Doosan Bobcat D18 and D24 Tier 4 diesel engine with the brand new 7275454 Delphi fuel injector. Many users change the oil after 500 hours of use and carry out other routine maintenance to the best of their ability. Diesel Pro can test your injection pump. Symptoms of Leaking Fuel Injectors: Hard Starting when engine is hot. Right now the post is the last one on page three if you want ot search that way. Following these guidelines will help make this the best resource for heavy equipment on the net. The trim code helps the ECM account for small manufacturing variances in the fuel injector body. Its the perfect example of a well-built and well-equipped machine that lets you smoothly complete even the most demanding job. Now that the hold down clamp is removed you can detach the injectors safety lock and unplug the injector. Refer back to the injector hold down clamp. I haven't experienced any noticeable difference in power between the new and old. For a better experience, please enable JavaScript in your browser before proceeding. But they are not without a few drawbacks. 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. Unfortunately, being able to access readily available spare parts for many Bobcat tractors can be quite challenging. Select Common Rail Injectors: 24 Months, Unlimited Miles/Hours Three years ago I was having a problem with 743B with the Kubota V1702 engine wanting to sputter, and die out on me. Scloll down until you get to the skid loader section. Click on My NH repair etc. Your just checking every crazy thing that could be a problem. It can happen if you have not used your four-wheel drive for quite a long time. Therefore, the best thing to do is to test the fuel pressure with a tester. Fan belt is worn or faulty - Fan belt must be replaced. However, just like other machines, you can face some problems with this one also. Thank you for joining Heavy Equipment Forums! All connections should be secure properly for the steering to respond. The fuel systems on the Bobcat 1.8L & 2.4L Tier 4 diesel engines are high pressure common rail by Delphi. Have you checked your air filters too? When filters become clogged something that happens regularly with some of the models the hydraulic will mix with the gear oil. Pressurize the hydraulic system and ensure the pump and engine are running before this check. Tires from the factory are fitted to accommodate lots of air. All Other Products: Warranted against defects of material/workmanship as shipped With the things you've described, most likely failed lift pump. Make sure it is working as per the specs. After you've made a number of posts you will graduate to Full Member status where you'll see a few more privileges. (Explained for Beginners). If your model has a belt-driven pump, maintain that the belts are not worn or loose. The bearings will most likely slip into the oil puddles and cause internal damages. Some tanks also have a filter in the bottom of the tank. I lifted the canopy to get to things and see things better. Please review the return policy for complete core refund details. The fuel filter in the glass container after the hand pump is a steel cased filter a little like an oil filter. 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. First raise the lift arms of the machine and install an approved lift arm support device. What I ment was sometimes people accidentally put in gas instead of diesel. You will need to remove the hold down clamp and the bolt. This procedure will lessen the chance of trapping air in the filter. 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. 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 discovered that if I squeezed the fuel primer ball every 15 seconds, the unit would stay running. Generally, when the four-wheel-drive lights are on, it indicates that the drive is engaging correctly. With a scanner, you can monitor desired vs actual rail pressure to check and see if the engine has adequate rail pressure. The company initially received several consumers complaints about the 2015 Bobcat 3400 UTV models. This process looks fairly similar for each fuel system so let's get started. (You must log in or sign up to reply here. Engine oil level is insufficient - Check and refill engine oil. Removal of this seal will void any warranty. 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. So, to confirm it check whether the secondary clutch is spinning at idle or not. In that meantime, corrosion has already built against the parts and the actuator which are responsible for engaging. We welcome you to register using the "Register" icon at the top of the page. Your email address will not be published. The Fuel injectors for the Bobcat Doosan D24 and D34 engines are high pressure common rail by Delphi. Things can even get worse if there is an extra occupant in the cab. You may have to loosen the injector with help from a wrench. The drive motor is one of the powerpoints of these tractors, especially the Skid Steer Loader. Make sure to remove the cover before removing the injection fuel lines. Welcome to Off-Road Care. 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. Replace the battery in this case. Here are 4 common problems of bobcat t590. High pressure builds until the oil seal eventually fails. The previous owner just told me to start it with the air bleed screw open and gradually close it as the engine clears. Opened the back door, removed the fuel line where it meets the motor, no fuel there. An introduction to the Detroit Diesel DD13 and DD15 Fuel System. For instance, E005324-04 ECU alludes to glow plug failure. You will need to start by removing the airbox to get access to the injectors. 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. ). Once all screws are off, remove the cover. Bobcat tractors rank among the highly-rated tractors in the market. Once loosened, remove the bolt and place it to the side. Also, the service light turning On can indicate the bad switch, sensor, or 4WD linkage. This process looks fairly similar for each fuel system so let's get started. The most common reason for failure we see in these injectors is fuel contamination. Purchase your parts from us today or reach out if you have any questions. Replace the head gasket to solve this. If they still dont respond, replace the joystick control circuit hoard. 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. Another possible reason behind this shifting trouble can be the belt when you do not have an OEM belt. Fuel odors inside and around the car. Give us a call with your Bobcat equipment serial number. When this happens the rubber primer bulb in the fuel line . thanks for any help. 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. 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. There is a 12 month unlimited hours warranty on this fuel injector. One of the major issues with Bobcat tractors is difficulty in getting parts, especially for rural dwellers. Is this rear pipe the problem? This can cause some serious problems with the tractors engine. The machines are powerful, versatile, and built to last. Makes sense. Clogged filters for the oil case drains also contribute to the failure of the motor. If you are working in a dusty ambiance, the replacement should be more frequent. Carefully ensure that the hex allen head is fully seated in the nut of the bolt. The brand also has good financing options for users who cant afford an outright payment. This isnt the case with faulty charge pumps. The bucket fails to tilt and lift when the pinouts on your loader's harness plug are not compatible with the bucket. Refill the fuel tank with the right amount of diesel. Usually, this kind of occurrence is a possible indication of insufficient fuel pressure. 6672405 6687911, 3X Fuel Injector Compatible With Bobcat 428 463 553 S70 S100. There shouuld be a pickup screen with a one way valve in the tank. 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 Heres a link to our Bobcat troubleshooting article: Bobcat Troubleshooting, Warranty by product type. Core Charge Policy And this can lead to a total shutdown of the tractor in some cases. The appearance may be different than you're accustomed to but we will work on restoring things as closely as possible. ALL NEW MEMBERS READ THIS FIRST!! My bobcat 743 is puffing some major black smoke when in heavy use. To bleed it, you open the bleed screw, squeeze the hand primer till you can feel that there all the bubbles are gone. The first unit had issues at 2600 hours but was repaired under warranty from Bobcat but failed again at 3800 hours. This is why an honest review on an independent, trustworthy website like this one is usually a good first step. Engine overload - Load reducing is recommended. 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. As a result, driving up to a precise point at a low range or reverse becomes extremely difficult. for the D24, D34 and D18 engines. These tires spread the weight of the tractor evenly over a large area to increase balance. 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. 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. Rough Idle. 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. Bobcat recommends replacing the fuel rail when customers have an issue with contamination. 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. Youll get these error codes easily on the internet. This product has a refundable core charge. But if it constantly jumps out when you put power into it, that simply confirms something is wrong with your four-wheel-drive system. We get a lot of calls from our customers asking about the various components on the Bobcat common rail fuel injection systems. Restore performance to your Doosan Bobcat D18 and D24 Tier 4 diesel engine with the brand new 7275454 Delphi fuel injector. I replaced the fuel water separator already. There may be several reasons why you might need to remove an injector. Definitely not the Bobcat brand that we have owned for years. I can restart the machine after waiting a couple hours. Whether you need to clean the injector, take it to a dealer, or replace it, it's a fairly simple process to remove a fuel injector from a Doosan Bobcat engine. If they malfunction, the steer responds late. If the fuel rail loses pressure due to a clogged filter or other reasons, the engine wont get the fuel supply. It appears to be a gravity fed system somehow. This fitting can be cleaned, if cleaning We also recommend using protective gloves and eyewear to prevent fuel leakage. 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'm not sure what to do with the fuel system once air has entered and I also removed the fuel filter. And this can lead to a total shutdown of the tractor in some cases. The Bobcat 3400 UTV model is no exception ensuring the perfect balance of power, quality, performance, and reliability. This means the product will ship, you will pay the core charge, and you will be refunded when Diesel Pro receives an acceptable core. Also, when your pressure gauge is turned faulty or damaged, it can give you the wrong reading. I might get 5 minutes out of it, sometimes a little more, 10-15min. Bobcat is one of the major manufacturers of skid steer or track loader for the last 50 years. Before replacing the any common rail fuel injector, cleaning the rest of the fuel system is critical. Lack of eater or coolant can also cause this. Step 2. 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. Additional OEM Bobcat Part Numbers: 7275454REM, 7334032, 7030364, 7334032REM. If the injection pump is failing or has failed, the engine may not start or run but with low power. If there is an open or short circuit in the glow plug, it can cause the engine to be defective. Perhaps you are looking at doing some maintenance work on your parts in which you should also review this. If you do have any questions about anything related to removing an injector or about our parts, you can also contact us at [email protected].