Tranny experts disagree, but the best bet would be to find a fitter that will warranty their work as an aftermarket cooler that failed would almost certainly give Isuzu the option of walking away from any warranty claim. At Unsealed 4X4, we’ll give you up-to-date 4X4 news, reviews and how-to's to keep you in fine form. That said, our experts reckon there’s a limit to this before the winch gets in the way of the air-con condenser and everything else at the front of the engine bay. ... That is the common rail . Most of the potential problems in a modern common rail diesel system engine can be explained by a drop in fuel pressure or engine compression, insufficient fuel supply, or fuel contamination. 95.4 mm (3.76 in) 87.4 mm … Newer engines have High Pressure Common Rail pumps and injectors, and some of this information is geared to that fuel system. Will definitely be using CEM for all my vehicles, got the stop smoke pack for my D4D which was, acting a bit sick and blowing smoke at all rpm’s and after a couple tanks smoke is gone and vehicle seems to be more responsive.Thanks guys, In town so I decided to restock. I was looking at having to replace my injectors at $5000.00 . Why your common rail needs a catch can and fuel pre-filter The modern diesel engine is a pretty awesome thing. The major culprits are likely to be the fuel injectors, high pressure pump, fuel filter, fuel pressure sensor or regulator, glowplugs, or crankshaft sensor. And even underground car-parks with their tight spaces and twists and turns like a politician before an integrity commission, can use up a CV joint (not just an Isuzu one) in double-quick time. The situation is eased by never driving off-road and never driving hard, but whoever bought one of these to avoid that sort of fun? In the case of the Isuzus, many owners have found that front bearing life is sometimes less than 50,000km. For information on items common to all CRSs, refer to the previously published CRS general addition manual, doc ID: 00400076E. If the valves are tight, you won’t hear a thing but the top end of your engine will be copping a hammering. Some geniuses will also tell you to bypass the DPF altogether. With over 25 million units worldwide, Isuzu is the largest producer of commercial diesel engines. Also 7% diesel in … {Items common to all CRSs: CRS development process, For example, during its service life, a typical fuel injector on a commercial vehicle will open and close more than a billion times, and the pressure in the fuel injection chamber can be as high as 2050 bar (29,732 psi)! What’s that tapping noise?The Isuzu 3.0-litre turbo-diesel doesn’t have hydraulic valve-lash adjustment, so checking and setting the valve clearances is a routine maintenance job. The suction control valve 04226-0L010 plays a critical role in the common rail diesel injection system, and is also one of the “usual suspects” in common rail diesel faults. Not to be used in conjunction with any other offer or discount. After using the AW10, it is quiet and the temp takes a while to get to it's working temp. Yes, you can weld the cracks up but at that point, you’re technically altering the crash signature of the structure and that’s kind of a no-no when it comes to the way the car performs in a shunt. Almost all common rail diesel problems are expensive. However, we’ve never heard anybody blowing a motor to bits through servicing the engine regularly and treating it with some respect. Drop us a line, let us know if you've found any bugs, want to write a story for us, or even just say G'day. A bit light onA lot of people using D-Maxs for work have found that the standard suspension is a bit underdone for carting around really big loads like loaded service bodies and such. I searched for the XTroll and found it with the Cost Effective Maintenance team. coursed injection nock by googling this products I tried it and problem fixed. A wide variety of isuzu common rail injector options are available to you, such as local service location, type, and car fitment. The best advice is not to wait until the EGR and intake manifold clogs up. Forward this page by e-mail or share it directly on social media. Something went wrong while submitting the form. Service is terrific, and advice is accurate and helpful. Bought Decarbonizer and the Flushing Oil Concentrate to use on my tractor and excavator, sadly a, bit too late for the digger....needs a rebuild. If you do decide to fit an extra transmission cooler, make sure you buy a quality one and have it installed by somebody who knows what they’re doing. There are a few common issues with them to watch out for. No items on offer can be substituted for any other product. The big danger is that the air-bags suddenly put strain on an area of the chassis not designed for such a load and a broken back is the result. Are you having problems with your Isuzu D-Max? And if you do manage to find a Japanese-made CV at a good price, buy a few sets and have them ready for next time. Suddenly, that hundred-buck shot of aerosol is looking pretty cheap. But, it’s not all smooth sailing, here are some of the problems and solutions we’ve heard about. Citroen Common Rail HDi in tank fuel pumps failing Citroen Airflow meters prone to throttle potentiometer problems. The D-max only comes with the one diesel engine option in … That’s if the valve clearances are loose, of course. Citroen Common Rail HDi in tank fuel pumps failing Citroen Airflow meters prone to throttle potentiometer problems. Sometimes a good run down a road at a decent speed will be enough to get the engine hot enough to allow the DPF to burn off. Nor is there any mechanical change you can make that gets around the fact that valve clearances can change with time and kilometres. Refused to start for about one year. But the DPF has a problem, and it’s one that affects not only the Isuzu models we’re talking about here, but pretty much all vehicles that use the technology. The biggest result of Common rail diesel injector failure is due to excessive back leak or return flow. The big difference between the D-Max and MU-X (body style and interior packaging aside) is that the D-Max got a conventional leaf-sprung rear axle, while the MU-X scored a better-riding, independent coil-sprung set-up. Or replaced, if you’ve been really unlucky. Also, keep an eye on things in the longer term. Have been using CEM products for nearly 20 years. The advantage of having the fuel in the common-rail at extremely high pressures, and close to the injectors, means that the required fuel can be injected into the combustion chamber in an extremely short period of time. Yep, the DPF’s role in life is to trap some of the harmful emissions, store them and then burn them off at a later date. Forget going to car stores to buy maintenance products. Year of manufacture1999 We have problem with this vehicle. This is not a simple job, if only because of the degree of disassembly required to get to the affected bits and pieces. *Xantia ABS ECU failure. It was fantastic back then. isuzu common rail diesel problems. As it's a diesel it's probably not the right word, but what it does is like a misfire in a petrol engine - it "staggers" under acceleration. That problem becomes a bit more understandable when you consider the front-bar names for a DPF; soot filter or soot trap. By Staff Writer Last Updated Mar 28, 2020 11:55:56 PM ET Commonly reported mechanical problems with the Isuzu Rodeo include failures of the fuel pump, problems with the engine cooling system, transmission issues, failures of the brakes and braking system, and varnish build-up on the valve train. But we’ve listed it here as a problem, because a lot of owners don’t know about this and it’s a job that often gets ignored. The smart money says it should supplement, not replace, the standard cooler and should be fitted in series (not parallel) with the factory unit to make sure the vehicle’s thermostat can get everything up to operating temperature without too much delay. Isuzu’s official line is that the D-Max and MU-X are already fitted with a heavy-duty trans cooler from the factory, so no additional hardware should be required. It was used in the Isuzu D-Max Low variant or base model in Philippine market. I am looking forward to its next service to see what the mechanic has to say. The availability of a crew-cab or dual-cab for the D-Max as well as a styleside or cab-chassis option has ensured it can be put to a variety of tasks, while the MU-X’s seven-seat layout has kept it relevant for adventurous families. These products are simply the best there are. Things like real-time trans temperature, for instance. Don’t let the vehicle select a too-high gear on a twisting uphill road. It is an Isuzu - derived engine using Denso fuel supply sistem, icluding Denso high pressure diesel pump and suction control valve. Mr. Common-Rail Diesel WRITTEN BY: DAVE HARDING As far as job titles go, 'Chief Engineer at Isuzu Motors Limited's PT Product Planning & Engineering Dept. Transmission choices were limited to a five-speed manual or five-speed conventional automatic but it’s fair to say the majority out there for sale second-hand have the cost-optional auto fitted. Isuzu Trooper (Bighorn) 4JX1 Engine Common rail injection. Works so much better than anything else I have tried. At which point the vehicle’s emission-controls aren’t working and it’s – technically - unroadworthy. Like we said, this is anything but an Isuzu phenomenon, but it’s something that no owner of a modern turbo-diesel can safely ignore. In turn, that makes the radiator coolant hotter which makes the engine run hotter and suddenly you have yourself a nice little vicious circle of heat-creep. The only 100% foolproof, legal way to fix the cracks in the engine-bay sheet-metal involves replacing those parts of the bodyshell structure. The 4JK1-TC is a common-rail direct injection intercooled turbo-diesel engine. But then, it doesn’t have to be if you make it part of your regular maintenance schedule. And aside from leaving yourself open to a monster fine, the car will also be rendered technically unroadworthy and you might even find your insurance company will use such a modification as a reason to not return your calls. As a result of a model change to the ISUZU 4HK1 engine beginning from May 2010, the Common Rail Sys-tem (CRS) has also changed. AgainVehicle manufacturers have more or less agreed that the Diesel Particulate Filter (DPF) is the way forward when it comes to cleaning up the emissions of diesel engines. So, if all you do is lurch about the city and suburbs in your D-Max or MU-X, pretty soon the DPF will be full of soot, the warning light will appear on the dashboard and you’re up for the not insignificant cost of having the filter manually cleaned. The cause of this would be internal worn parts ie your pilot valve, nozzles or seals. -1 June, 2003 Diesel Injection Pump Common Rail System for ISUZU Operation No. The fuel pump sends the fuel to this rail at high pressures . And it’s worse for a business, which is why most workshops will run a mile before agreeing to carry out this modification. This manual describes the Common Rail System (CRS) equipped with the 4HK1 and 4JJ1 engines used in the ISUZU ELF. You should be able observe rough running, perhaps black smoke from the exhaust, and high fuel consumption. Diesel Engine Trouble Shooting Chart . If your engine already has heavy coking of combustion chambers, turbos, EGR’s or Diesel Particulate Filters, we recommend you also use. The best advice is to replace these as with any other service item and never have to worry about them again. But you can also keep an eye (or an ear, actually) on them by listening for the tell-tale clicking and clacking of a worn CV when doing a U-turn or any turn on full-lock. Great product. Parked in workshop that period. Gone are the days of slow, rough and belching diesels that were tough to live with; these days diesel donks are powerful, efficient and quiet. I have been using the FTC Decarbonizer for the last. Load them up and there’s just too much rear sag and that translates to iffy steering and a loss of braking performance in a big emergency. Isuzu developed this direct-injection diesel to drive next-generation SUVs and the passenger cars. Ive been getting the P0087 and P0093 codes under hard acceleration and cant find the answer to my problem anywhere so im hoping someone on here can help! Most of them these days are coming out of China and, at the risk of starting a trade war, they’re generally not as good as the CVs being made in Japan. You can also extend bearing life by letting your vehicle (and the hot wheel bearings) cool down before plunging into a cold creek or river. Sometimes when there is low fuel pressure the injectors need to be changed but there are times when the injectors are not the problem – the problem is elsewhere in the system.. Yes, the Isuzu has a transmission-temperature warning light that will illuminate, but like most of these warning lights, the damage is often done by the time the light flickers on. If it’s allowed to go unchecked, the layers of oily soot soon build up and the EGR valve becomes jammed open. It could be, for example, that the pump is not producing enough pressure. Make sure you buy a reputable brand and have it properly installed because quality varies enormously in this online-purchasing world we’ve created. Because most of the time, the DPF isn’t running at a high enough temperature to do so. In the first place, the best thing to do is get an idea of what’s happening to your trans temps before rushing out and buying more hardware. The biggest result of Common rail diesel injector failure is due to excessive back leak or return flow. When the CVs are being replaced. drivetrain lubricants, optimisers, and internal engine cleaners for years, and truly believe there are none better - at any price. In fact, it’s a big bodywork deal in most cases. By hard, we don’t mean at highway speeds of when simply off-roading, but hard as in towing a 2.5-tonne caravan on a long, windy, uphill section of road. Great product, Frankly, I am astounded with the difference. Jimmy and I are here to help, so give us a call on   07 33766188. There’s really nothing you can do to get around this maintenance chore. The car was running powerfull but it had the problem … That’s when the engine is working hardest and the torque converter is also earning its living, allowing for some slip to keep the engine in its power zone in each gear. Alibaba.com offers 1,143 isuzu common rail injector products. Once you have that info, you can move on to a fix. Be sure not to over-tighten the rocker-cover (or it’ll crack) and make sure any grots that fall into the engine as you remove the rocker cover are picked out and not left to cause mayhem in the diesel’s upper-cylinder area. Are you hungry for the latest in 4X4 news, reviews and travel? The practice is highly illegal and the fines for an individual tampering with a vehicle’s emissions-control system can be massive. Shop there had replaced second hand H.P. The suction control valve 04226-0L010 plays a critical role in the common rail diesel injection system, and is also one of the “usual suspects” in common rail diesel faults. During refueling, it is possible for water (and other contaminants) to be pumped into the fuel tank along with the diesel fuel. A great product. Got a problem not listed above, or need more detailed advice on how to best resolve your common rail problems? Isuzu is a Japanese commercial vehicle and diesel engine manufacturer headquartered in Tokyo. Yes, the Japanese ones might cost more, but it’s definitely a conversation worth having with your service workshop to make sure the replacements aren’t going to fail even faster than the OE stuff. Generally speaking, you’ll be replacing springs and shocks but you might also need to change out bump stops and check for any duff bushes and shackles while you’re in there. It was used in the Isuzu D-Max Low variant or base model in Philippine market. can't speak highly enough for the products, nothing comes close. Use of these three products as directed will successfully eliminate over 80% of all common rail diesel problems. Of course, by that stage of the game, the joint is already shot. Animated video about VDO Diesel (Common Rail Diesel) - Hier stellen wir Ihnen die Common Rail Diesel Technik - Speichereinspritzung - von VDO vor. This is a real simple one; have the front wheel bearings inspected and greased or replaced every 30,000km. So, I bought a used Opel Astra 1.7 CDTI, common rail turbodiesel engine with 110 hp. Chassis have been cracked , too, mainly at the front where big, heavy bull-bars and winches have been fitted, effectively cantilevering off the rails. The cause of this would be internal worn parts ie your pilot valve, nozzles or seals. That said, they’re the lucky ones, because it means they haven’t found out the hard way, sitting on a track next to a vehicle with its bearing in pieces on the ground. Over time I lost the can and moved states. But the tractor was a definite improvement, the engine ran sweeter and a lot less gunk from the exhaust, really noticeable. Make sure the rubber boots are also kept in good shape and even the smallest nick or split in the rubber means curtains for the CV within. Don’t be tempted to go more than two inches (45mm) though unless you like roadside chats with the boys in blue and you’re prepared for your insurance company to disown you should the unthinkable happen. But the EGR valve is also involved in ensuring that crankcase fumes get burned in the engine and don’t escape into the atmosphere, and that’s where the ducks of doom start to line up. This manual describes items specific to the parts used in the CRS for the 4HK1 engine. junk Barina that I drive to the train station had a noisy engine and it got hot fast. Make sure you take the old girl for a half-hour strop up a freeway at freeway speeds (not sitting in gridlock like most freeways) every month or so, That gives the exhaust system (and the DPF) the chance to get hot enough to do its regeneration thing and save you all those headaches. You need to determine where the noise is coming from to be able to locate the cause. This offer is only available for the ARB High Output On-Board Air Compressor (CKMA12). The Isuzu D-Max and MU-X twins are popular amongst the 4X4 fraternity because of the simple, hard-working engine and reliable mechanicals. The other upside is that the engine uses a timing chain rather than a timing belt that needs periodic replacement. Terms and Conditions: Offers available between 23 September - 30 November 2019 at any ARB store or authorised stockist in Australia. After 12 months of driving an underpowered and inefficient landcruiser, even after spending thousands on upgrade, I decided enough was enough and took the cruiser to the guys at baileys diesel group and after 2 hours i was handed the keys back to the car with 100% more torque and 50% more power, the difference in drivability is night and day! 2011 Isuzu NPR 5.2L diesel —diesel gas is leaking from the area (rail) where the lines that connect to the fuel - Answered by a verified Technician. The 4JK1-TC is a common-rail direct injection intercooled turbo-diesel engine. And even if you do go down the hand-cleaning route, there’s no guarantee that the EGR valve will come back to life. You might as well also add a two-inch lift as this will not only give the vehicle even greater load carrying ability, it’ll also make it more fun and more capable off-road. It seems as though the way the Isuzu chassis is constructed allows for the front rails to flex and that, in turn allows the bulbar to `rock’ from side to side, magnifying the metal-stressing effects. For CRS basics, refer to the "COMMON RAIL SYSTEM SERVICE MANUAL -OPERATION (Doc ID: 00400534EA)." The thermal shock involved in not doing this can make the bearings take a big gulp of water, rather than the seals keeping it out. My D-Max is 7 years old and has 200K on the clock. Not to mention that a truck making like a dog with worms is just horrible to drive. Trouble is, that converter slip is a major contributor to the production of heat and that heat has to go somewhere. Front-wheel bearing wearWhen you think about the life led by an off-road four-wheel-drive, it’s a wonder they last any time at all. Try again. You can get a ScanTool or ScanGauge that interfaces with the vehicle’s on-board diagnostics and can tell you lots of useful things the standard dashboard doesn’t. The recommendation is to have this done at every service, and while the treatment can easily cost $100 a pop, it’s still cheap compared with the alternative. Most of the potential problems in a modern common rail diesel system engine can be explained by a drop in fuel pressure or engine compression, insufficient fuel supply, or fuel contamination. In line with emissions controls mandated by the governments of the world, an EGR valve allows the Isuzu engine to consume a percentage of its own exhaust gas as a means of cleaning up tailpipe emissions by burning that portion of its exhaust twice. A two-inch lift mightn’t sound like much, but it can be all the difference in rough going. When you re-grease bearings, remember that unless you have have a small bead of grease forming at the seal, the bearings are probably not full of grease. Rugged and generally dependable, the Isuzu twins have racked up plenty of kilometres between them and plenty of fans along the way. And there’s the second part of the problem. © Copyright 2017. That then makes it a lot easier for you to decide what action you need to take to solve your particular problem—at low cost—before it becomes more serious! Workshops we talked to advised against air-bag helper-springs on the D-Max ute as the chassis design at the rear isn’t rally compatible with them. Modern diesel engines work at very high pressures so any dirt can cause a reduction in performance.. A common problem is low fuel pressure. So very impressed so thumbs up . Always use an appropriate grade and type of grease, remembering that, at some point during the next school holidays, the vehicle will be standing sills-deep in (possibly salt) water. Citroen Saxo ECU's failing - IAW8P80, IAW8P81 Common rail diesel technology - new problems Sagem SL96 ecu - coil pack failing leading to damage to ecu. ISUZU HOME PAGE. This may be caused by over voltage. Common-rail diesel systems use a pump that delivers the fuel to the common rail, or rails, at extremely high pressures; in some cases more than 2000bar. Never looked, The best thing I could of ever do for V8 land cruiser as I had bad fuel so water in fuel and. and first generation Chevrolet Colorado produced in Thailand. Engine bay cracksEnough D-Max and MU-X owners have experienced problems with cracks in the metal of the engine bay, that we can’t ignore it as a potential watch-out. With its meaty 3.0-litre turbo-diesel engine and proper off-road smarts, the Isuzu D-Max and MU-X have become popular choices for touring and serious off-roading. Let our team of motoring experts keep you up to date with all of the latest Isuzu D-Max issues & faults. The problem there is that many of them only find out when they have new tyres fitted and the tyre shop phones to say that the wheel alignment can’t be done because there’s too much play in the wheel bearings. Those DPF blues. Common rail diesels have been with us for 10 years now, and there’s no sign of their problems abating! What Are Some Common Problems With the Isuzu Rodeo? Injector wear is a problem with all common-rail diesels, not just the Nissan. E-03-02 SERVICE MANUAL 6HK1/6SD1 Type Engine 00400018 For DENSO Authorized Which is, of course, to disassemble the EGR valve and the inlet manifold and plumbing and manually clean the grot out of it. Look at the other products too. Although common rails are an improvement from prior types of fuel systems, they’re not without their issues. Don’t do it, basically. This may be caused by over voltage. Regardless of what body style you chose, the powerplant was the same; a large capacity four-cylinder turbo-diesel that cranked out 130kW of power and 380Nm of torque from as low as 1800rpm. Or maybe not; if the temps don’t get to a point where you should be worried. no job stated, no problems stated, no symptoms stated. I have used the AW10 in several cars now. It sounds bizarre, but it’s happened often enough that some workshops won’t fit air-bags to anything. Starting with the basics, a high-pressure common rail fuel injection system (HPCR) used in the GM and Dodge heavy-duty pickups since the early 2000s is quite different from the previously used Pump- Line- Nozzle (PLN) systems (like those found on a P-Pumped Cummins for example, but not like those found on HPOP equipped Power Strokes). The faulty parts allow the fuel to travel back up the injector to the fuel system or diesel tank. The Common Rail Diesel (CRD) injection system is the most recent development to achieve ever more stringent diesel exhaust emission standards, but it is currently associated with widespread problems, including engine rattles, expensive injector and fuel pump failures, injector sticking, stalling problems and rapid piston and liner wear.
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