2011 cummins isx

2011 cummins isx DEFAULT
  1. Nothing but problems with this engine model, I'm the second owner latest problem fuel pump ceramic parts $16,000 worth of damage to the engine less than a year ago $14,000 the fuel pump was on recall but since I'm the second owner Cummings will honor the recall has anybody else had this problem with this engine thank you let me know
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  3. How many miles when it first caused issues?
    433,000 number 6 injector acting up Kenworth Odessa Texas said number 2 and 3 were bad $6,000 got to the motel room and call me said the cam was bad $14,300 all together
  4. Doesn't matter who owned it when, there is a recall.

    Did you check the repairs to the engine before buying the truck.
    Lone Mountain said they couldn't tell me what was done to the truck dyno test I and I did a what's equivalent to a Carfax
  5. I'm sorry to hear this happened to you. I too have that model, but a 2012. I heard about the notice, not recall for me, about the fuel pump problem. I had it replaced at $4,000. new pump, lines and adapter for these lines. I was told in the thread I started about it, that the return oil line runs right into the #4 main journal. I only say this to warn anyone else.
    Besides this, the engine has been great. A few sensors, fan clutch solenoid, valve adjustment, exhaust manifold gasket, I've had the engine for 15 months, 130,000 miles. I've gotten lucky, but I keep a very close eye on it.
    Hope things get better for you.
    Last edited: Feb 22, 2018
  6. Lone Mountain said they couldn't tell me what was done to the truck dyno test I and I did a what's equivalent to a Carfax
    They couldn't, then why didn't you have one done?

    I would think if they withheld info, then they may be liable for the costs of the repairs if there was an intent to defraud a buyer.
  7. They couldn't, then why didn't you have one done?

    I would think if they withheld info, then they may be liable for the costs of the repairs if there was an intent to defraud a buyer.
    I had the dino done Dino came out good
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    ISX15 CPL 3719 Engine


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    2011 CUMMINS ISX 15 Description

    2011 ISX 15 ( EGR, DPF,DEF, ) Engine Family BCEXH0912XAP CPL#3719 450HP. Runs Excellent, Clean Engine, Sold without bell housing.


    Stock #Stock Number not Provided
    EngineCummins ISX 15 450HP
    Engine Serial79474274
    Engine FamilyBCEXH0912XAP
    Engine CPL/AR3719
    Copyright ©1999Boots & Hanks. All Rights Reserved
    Sours: https://www.bootsandhankstruckparts.com/parts/?vid=1001&unit=2011-cummins-isx-15-complete-engine
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    Cummins ISX: 3 Most Common Problems

    Preface: What You Need To Know First

    It’s The Popular Kid

    It goes without saying that the Cummins ISX is one of the most popular and well loved diesel engines on the road today. Initially released in 1998 as a response to tightening EPA emissions standards, the ISX replaced the N14, Cummins’ original workhorse engine.

    The Cummins ISX is definitively North America’s most popular heavy-duty engine. And the only engine offered by every major Class 8 truck manufacturer. With horsepower ratings that range from 400-600 and up to 2050 pound-feet peak torque it’s no surprise that this engine is a favourite for fleet operators and drivers alike.

    But despite the engine’s popularity, it isn’t perfect. Let’s run through some of the most common issues.

    Simple specs. Superior performance.

    Advertised Horsepower: (400hp, 298kW)(450hp, 336kW)

    Peak Torque: (1450/1650 lb-ft, 1966/2237 Nm) (1550/1750lb-ft, 2102/2373 Nm)

    Governed Speed: 1800 rpm

    Clutch engagement torque: 1000 lb-ft, 1356Nm

    Cylinders: 6

    Dry Engine Weight: 2964lbs

    3 Common Issues with The Cummins ISX

    1. EGR Valve Leaks

    Like many other engines with an EGR, the Cummins ISX is prone to typical EGR problems. On the ISX the culprit is often a leaky EGR valve. This can seem innocent enough but the problem will compound over time and it’s often difficult to diagnose.

    What to look out for:

    • Fluctuating coolant consumption
    • Coolant consumption that’s faster than normal
    • White residue left behind by burnt coolant

    If you suspect a leaking EGR valve, it’s best to bring your Cummins ISX to our experts.

    2. Flattened Camshafts

    Notoriously, every model and rendition of the ISX has had issues with the camshaft. It’s prone to flattening out. This is largely because of an issue with the rocker arms. An issue in production with the rocker arms starved the components of proper oil from which makes them stick and hit the camshaft. This will eventually cause the lobes to become flat.

    There aren’t specific symptoms that will indicate whether you have these faulty rocker arms. So it’s very difficult to diagnose until you’ve already seen a drop in the performance of your engine.

    3. Dropped Cylinder Liners

    The ISX is a mid stock steel cylinder liner equipped engine. That means that from the factory you have a cylinder liner that goes into the engine block and it’s supported halfway down the liner. If a piston seizes the cylinder liner breaks at the bottom. If the connecting rod or piston gets free of the liner it starts to destroy the whole engine block. Which is not only obviously detrimental to your vehicle but also very expensive to fix. That’s why you’ll want to diagnose any issues early.

    What to look out for:

    • Overheating engine block
    • A drop in pressure
    • Coolant leaks

    Sours: https://www.adrenalinediesel.ca/post/cummins-isx-problems
    2011 Cummins isx 15 thermostat replacement

    Cummins ISX History

    Cumminsn ISX Truck EngineFor 16 years now the Cummins ISX Engine has been the flagship diesel engine in Cummins Fleet. The engine is a workhorse but not without its issues.

    The Cummins ISX Engine first debuted in 2001 replacing the popular N14 Series. The Cummins N14 was a fantastic engine and beloved by diesel fans for many years. The only reason for the discontinuation of the engine was the EPA passed stricter emissions regulations that made the N14 outdated. The ISX was originally called the “Signature” series due to the revolutionary fuel system known as the “Interact System” The IS in ISX stands for the Interact System and is in use for on-highway applications. Consequently the QSX or “Quantum System” is used in off-highway applications of the engine such as industrial, generators, pumps, oil & gas, agriculture and marine engines.

    The ISX engine makes 430-620 hp with a maximum 2050 lb-ft of torque. The QSX engine produces 375-665 hp with a maximum 1875 lb-ft of torque. Cummins briefly produced a version of the ISX especially for RV applications which made 650 hp at 1950 lb-ft of torque. The engine was discontinued because it was proven to be unreliable. There was also no extended warranty coverage for the RV engines. Cummins had several workarounds for various issues but eventually decided it was not profitable.

    Cummins ISX EngineIn 2010 the ISX engine was redesigned once again to accommodate improvements in the emissions technology. From 2001-2010 the engine was a dual overhead camshaft design where one cam triggered the injectors and the other the valve train components. The high pressure injection system is cam actuated to create injection pressure. The fuel system of the ISX is quite complicated encompassing the gear pump, pressure regulators, shutoff valve, lift pump and timing meters to deliver pressurized fuel to the injectors. The 2010 the ISX redesign centered around a single overhead camshaft. The innovation of the common rail fuel system eliminated the need to have the pressurized fuel from an injector camshaft. With the common rail fuel system diesel fuel is pressurized from a multiple piston pump where it is then distributed through tubing to a rail system where it is stored under high pressures up to 30,000-35,000 psi. The change in the fuel system allowed for great fuel economy and thus reduced emissions.

    The emission systems on the ISX are complex to say the least. The design was one of the first heavy duty diesel engines to incorporate an EGR Cooler (Exhaust Gas Recirculation) system into the engine. The EGR cooler takes exhaust gas and recirculates it back into the intake chamber. The presence of cooled exhaust gas lowers the temperature in the combustion chamber thus reducing NOx particles. The EGR Cooler technology was the first introduced in 2002

    The next piece of emissions technology appeared in 2008 in the ISX 871 with the introduction of the Diesel Particulate Filter or (DPF). The DPF traps particulate exhaust matter produced in the combustion chamber. The soot is neutralized through the chemical process known as oxidation. The soot is oxidized and turned into a fine dust which is then regenerated through the turbo. The process is called regeneration. There have been many complaints throughout the years that the SCR is much too complicated and interferes with the horsepower of the engine. With addition of this technology comes many new revolving parts which can fail easily and be very costly to repair.

    Diesel SCR Emission TechnologyOver the years the ISX Engine has continued to add newer emissions technology to meet changing EPA regulations. In 2010 the ISX15 was the first Cummins engine to feature the Selective Catalytic Reduction system (SCR). The SCR works by injecting Urea directly into exhaust. Urea is the active ingredient in Diesel Exhaust Fluid (DEF). The ammonia based urea chemically reacts with the NOx emission particles and coverts the compound into nitrogen and water within the catalytic converter. The SCR consists of a holding tank, pump, electronic controller and injector nozzle. The DEF is heated in the holding tank, pumped to an injector which injects the fluid into a decomposition tube which reacts with the NOx in the exhaust. There have been many issues with the emission technology over the years. One of the common problems with the ISX is that exhaust which is recirculated back into the engine clogs up the inlet of the turbo during regeneration. When this happens loss of horsepower can occur or more rarely complete engine failure.

    In 2016 Cummins announced the creation of a new line of heavy-duty engines; the X12 and X15. The new line of engines will meet the 2017 EPA guidelines and offer a 3% increase in fuel efficiency over the ISX. The new models will come with 405-605 horsepower. The ISX is here to stay for quite awhile and, at this time, Cummins has no plans to phase out the older ISX technology.

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