Cummins isx coolant flow diagram

Cummins Signature ISX and QSX15 Service Repair Manual. PLDZ-337. $ 24.99 USD. Buy and Download > Description. This Cummins ISX and QSX15 Service Repair Manual is intended to aid in determining the cause of engine related problems and to provide recommended repair procedures.

Cummins LCL Codes: SPN/FMI 111/3-Coolant level Voltage Above Normal Shorted High SPN/FMI 111/18- Coolant level low SPN/FMI 111/4-Coolant level Open Circuit or Shorted low Detroit LCL Codes: SPN/FMI 111/3-Coolant level Voltage Above Normal Shorted High. SS 1034797 M2,108SD, 114SD Coolant Level Sensor P/N 06-93316-002 511 Oca 2017 ... Applies To: Prostar Units with Cummins ISX. Change Log. Dealers ... The purpose of the coolant level module is to minimize galvanic corrosion by ...Cooling System Information General Information Cummins Inc. recommends the use of fully-formulated antifreeze or coolant containing a precharge of supplemental coolant additive (SCA) for the ISX15 CM2350 X101. The antifreeze or coolant must meet the specifications outlined in the Technology and Maintenance Council (TMC) Recommended Practice (RP)Buy Cooling System For Cummins ISX Series Engine From HDKits. Quality Parts, 2 Years warranty, Free shipping. Call 888-642-6460 to order.Jan 1, 2023 · If you are available in contact with a stimulated black wire– and you are also in contact with the neutral white wire– current will go through your body. You will receive an electrical shock. You will get a shock if you touch two wires at various voltages at the same time. Read also : 6.7 Cummins Coolant Flow Diagram. 2015 isx 15 cummins with fuel in oil . just installed injector cup rings because of cups leaking anifreeze in fuel replaced orings on injector and had code for fuel rail pressure did update on fuel pu …• 10W-30 oils meeting Cummins specifications may be used in these engines. Check the oil pressure indicators, temperature indicators, Check the oil pressure, coolant temperatures, DEF level, and or gauge cluster to make sure they are operational. Check appropriate action to rectify the alarm condition or contact your nearest Cummins Distributor.

The 2020 X15 Efficiency Series takes advantage of refinements to its big-bore design and integration with transmissions to deliver better fuel economy with reduced Greenhouse Gas (GHG) emissions. Increased downspeeding means your drivers get all the performance they are used to at lower RPM. Not only does this reduce fuel consumption and ...The solution for this type of problem will typically involve replacing parts such as the ECM, fuel injectors, and sensors. It may also be necessary to replace other components such as solenoids, guidance systems, and O-rings. In some cases, complete replacement of the entire actuator unit may be required.ISX/ QSX K Series/ QSK QST30 QSV Natural Gas Engines Engine Nomenclature QS = Quantum System. Industrial engine Operates electrically; “off-highway.” Examples: QSB, QSC, QSL, QSM, QSX, QSK, QSV IS = Interact System. Automotive, operates electrically; “on-highway.” Example: ISB, ISC, ISL, ISM, ISX •Engine Nomenclature. What engines …Specifications Coolant Capacity (Engine Only) 26.5 liters [28qt] Normal Coolant Temperature Greater than Fan on at High Temp Alert 180°F [82.2°C] 210°F [99.0°C] …Cooling system overview & flow diagram Cylinder block overview & info Engine electrical equipment overview Engine testing overview including dyno testing Flow diagram for exhaust system Fuel system overview & flow diagram Injectors & fuel line overview including operation theory for PT & STC fuel system Lubrication system overview & flow diagramSelect an Application. The 2018 ISX12N continues the evolution of emissions-leading natural gas engines from Cummins. Certified to the California Air Resources Board and Environmental Protection Agency's (EPA) Optional Low NOx emissions standard of 0.02 g/bhp-hr, it has 90% fewer NOx emissions than the current North American EPA standard. With ... Oct 19, 2023 · Joined: Sep 2015. RE: Best coolant to run in the isx? I get the pre-diluated stuff for 2 reasons. 1, it’s easier. 2, tap water has impurities that lead to scale buildup on your liners and radiator tubes. If I do use concentrate I buy gallon jugs of distilled water to keep the system free of hard water deposits.

Title: 5600484 QRG – Maintenance And Operation - ISX12N Author: Cummins Inc. Keywords: 5600484 QRG – Maintenance And Operation - ISX12N, Quick Reference Guide, ISX 12 N, Spark-Ignited, 11.9L, 11.9 liter, natural gas engine, heavy-duty applications, HD, heavy duty, Engine Control Module, ECM 2380, Waste-Gated Turbocharger, Exhaust Gas Recirculation (EGR), Maintenance-Free Three-Way Catalyst ...Check the oil pressure, coolant temperatures, WIF sensor, DEF . level, and other engine parameters daily via the OEM instrument . panel or gauge cluster to make sure they are operational. Check the instrument panel regularly for any alarm messages. Take appropriate action to rectify the alarm condition or contact your . nearest Cummins Distributor.Part Type: Air Compressor Brand: Tamerx Diesel Products Application . Engine Make: Cummins Engine Type: ISX Year: 2010 Additional Details . Part Number: 3689649RM OEM Number: 3689649RX This Product Contains A Core . Core Charge: $400 Core Disclaimer: The CORE charge is a 30 day hold and will not be processed as long as the CORE is …Engine Coolant &city 10.5 U.S. gal. (39.7 L) Net WalgM, with Std. Ws~~ries. DN 3.250 ib. 11 474 ka) INSTALLATION CONSIDERATIONS Maximum raw water pressure must not exceed 50 PSI (345 kPa). Minimum acceptable raw water flow at 90' F (32' C) raw water temperature and 10W F (38' C) ambient air temperature should be at

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Jul 28, · This Cummins ISX and QSX15 Service Repair Manual is intended to aid in determining the cause of engine related problems and to provide recommended …Select an Application. The 2018 ISX12N continues the evolution of emissions-leading natural gas engines from Cummins. Certified to the California Air Resources Board and Environmental Protection Agency's (EPA) Optional Low NOx emissions standard of 0.02 g/bhp-hr, it has 90% fewer NOx emissions than the current North American EPA standard. With ...Heavyd this is not zip tied it has square rubber boot around the sensor then 2" metal bracket holding down .It is not bolt type sensor you can get wrench on it, it tied with ECM case just below the magic plug connector, looks like temp sensor Thx for replyIf you are available in contact with a stimulated black wire– and you are also in contact with the neutral white wire– current will go through your body. You will receive an electrical shock. You will get a shock if you touch two wires at various voltages at the same time. Read also : 6.7 Cummins Coolant Flow Diagram.

50 percent water. Fully-formulated coolant contains balanced amounts of antifreeze, SCA, and buffering compounds already premixed 50/50 with deionized water. Alternative maintenance practices for cooling systems can be found in Cummins Coolant Requirements and Maintenance, Bulletin 3666132. Diesel Exhaust Fluid Information Apr 23, 2018 · The DEFTHV should be installed on the DEF tank coolant supply line. Verify the lines are not crossed as shown in Figure 1 or Figure 2 below. Use this diagram for EPA 2013 vehicles: Figure 1: DEF Tank Coolant Lines possibly Crossed at the Parker Fittings for EPA 2013 vehicles Use this diagram for EPA 2017 vehicles: Yes: Go to Step 2. No: Remove ... January 1, 2023. this page includes information on the cummins isx coolant flow diagram, hints, and frequently asked questions. we produced this page to help those trying to find a cummins isx coolant flow diagram, and hopefully, you can solve your issue with our article. a wiring diagram will certainly reveal you where the wires should …Discover some tips to overcome some smaller Cummins engine problems with help from Diesel Pro Power. Whether you’re experiencing Cummins diesel engine starting problems or too much smoke, our specialists have put together a Cummins troubleshooting guide to help keep your marine diesel engine running smoothly. Read …2. Drain the coolant into a clean container so as much as possible can be reused at the end of the repair. 3. Remove the coolant hoses from the composite fittings that will be replaced, then remove the composite fittings. 4. Install the new coolant fittings and the new hoses. 5. Refill with coolant removed during Step 3.Jan 1, 2023 · If you are available in contact with a stimulated black wire– and you are also in contact with the neutral white wire– current will go through your body. You will receive an electrical shock. You will get a shock if you touch two wires at various voltages at the same time. Read also : 6.7 Cummins Coolant Flow Diagram. Title: ISX Low Coolant Switch Diagnostics Applies To: Prostar Units with Cummins ISX Change Log Dealers: Please refer to the change log text box below for recent changes to this article: 5/9/2016­ Changed step 2 to check resistance with key off. 07/09/2014 - Updated layout, added Group and Noun in Warranty Information Mar 30, 2017 · The catalyst oxygen sensor determines the amount of oxygen in the exhaust gas. The amount of oxygen in the exhaust gas indicates the actual air:fuel ratio information that is used by thePyrometer Exhaust Gas Flow Overview This is an overview of the Exhaust Gas flow as it exits the engine on the Cummins ISX 12L platform. flange) for the coolant lines. If the existing cooler is horizontal plate, choose one of the following: OEM is New Flyer, follow Case A below OEM is Gillig or Nova, follow case B All other OEM’s, follow Case C below 2. The vertical plate EGR cooler (Figure 2) is equipped with a flange connection for the coolant lines. 10. Automatic belt tensioner 11. Coolant inlet connection 12. Water pump 13. Turbocharger (Variable Geometry Turbocharger shown) Exhaust Side View (ISC, QSC8.3, ISL, and QSL9)50 percent water. Fully-formulated coolant contains balanced amounts of antifreeze, SCA, and buffering compounds already premixed 50/50 with deionized water. Alternative maintenance practices for cooling systems can be found in Cummins Coolant Requirements and Maintenance, Bulletin 3666132. Diesel Exhaust Fluid Information Cummins EGR Water Pump Seal 3683814 *Please Verify Your OEM Number Before Purchase Heavy Duty Water Pump Seal Set Fits Cummins ISX 11.9, 11.9G and 15.0 Engines (2008-2015) Direct Aftermarket Replacement For OEM #: 3683814 Includes 5 Water...

Evans Cooling Systems, Inc. 1 Mountain Rd. Suffield, CT 06078 888-990-2665 ... Blow air through both hoses until there is no further flow out the pump inlet. g. Insert about a half gallon of Evans Prep Fluid into the heater hose end(s) and blow air. ... Microsoft Word - HD Waterless-Install-Procedure-Cummins-ISX- March 16.doc Created Date:

First the basics; coolant enters the radiator from the top, exits the bottom. Coolant enters the water pump, flows up into the block, then up through the head, then forward through the thermostat, and back into the radiator. Repeat. My question (s) are regarding the heat exchanger and heater core flow. 1) Just above the water pump is the exit ...I'm guessing that your dealing with the ISX 15. And Paccars version of it. One thing to check, is test resistance of the coolant level sensor. It should be about 500 ohms when not in the coolant tank. Insert sensor into tank and the resistance will change to 110-130 ohms.50 percent water. Fully-formulated coolant contains balanced amounts of antifreeze, SCA, and buffering compounds already premixed 50/50 with deionized water. Alternative maintenance practices for cooling systems can be found in Cummins Coolant Requirements and Maintenance, Bulletin 3666132. Diesel Exhaust Fluid Information 19. Fill the cooling system with Evans Waterless Heavy Duty Coolant. Any remaining Prep Fluid is compatible with Evans HD Coolant. 20. Operate the engine to assure the opening of the thermostats and thorough circulation of the coolant. Add coolant as required to maintain the “hot” level. 21. The coolant in the expansion tank will get hot ...Obtain this information from the owner: Is the engine equipped with a coolant filter? How many thermostats are there? Purchase these items from Cummins: The correct …May 17, 2013 · Ignition OFF, disconnect the harness connector at the coolant level switch. Install a 3A fused jumper wire between the signal circuit terminal and ground. Engine running, verify the low coolant indicator turns OFF. If the indicator does not turn OFF, test the signal circuit for an open/high resistance. Apr 23, 2018 · The DEFTHV should be installed on the DEF tank coolant supply line. Verify the lines are not crossed as shown in Figure 1 or Figure 2 below. Use this diagram for EPA 2013 vehicles: Figure 1: DEF Tank Coolant Lines possibly Crossed at the Parker Fittings for EPA 2013 vehicles Use this diagram for EPA 2017 vehicles: Yes: Go to Step 2. No: Remove ... Cruise Control/PTO Set/Coast/Decrement Switch Signal (See Note) Cruise Control/PTO Set/. 25 Coast/Decrement Switch. Note: May be either Increment or Decrement depending on the Signal. valve of the ECM adjustable parameter “Cruise Control Setup”. f Page 7 of 9. ISX-CM870 (2003-2006) Typical Vehicle Chassis Wiring.Cummins ISX CM871 Engine Sensors Location Charts Discussion in 'Trucks [ Eighteen Wheelers ] ... lookin at a 2011 isx is this a ok motor has 53200 on it little cat 500, Mar 11, 2016. little cat 500, Mar 11, ... 389 Coolant Sensor dirthaller posted Oct 17, 2023 at 2:00 PM. Loading...

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31 Oca 2015 ... coolant level within the coolant system <strong>and</strong> passes<br /> ... Cummins ISX (With EGR) & INSITE 7.x Familiarization. Service ...Left View - CM870 1. ECM dataplate 2. ECM 3. Blowby tube 4. Engine dataplate 5. Fuel control module dataplate 6. Engine serial number 7. Fuel control module cooling plateEvans Cooling Systems, Inc. 255 Gay Street Sharon, CT 06069 860-364-5130 INSTALLATION PROCEDURE – CUMMINS ISX Procedure for installing Evans waterless Heavy Duty coolant, 205⁰ F thermostats, and Two ResistorPacs into a Cummins ISX engine VER 22Mar2012 CAUTIONARY NOTE: DO NOT FLUSH COOLING SYSTEM WITH WATER! The Genuine Cummins Difference. There’s a genuine difference in the performance, reliability, durability and value of engine parts. That’s why it always pays to go with the best. The Genuine Cummins Parts that you buy from a Cummins distributor or authorized dealer are built to our exact standards, meeting or exceeding original specifications. Basic flowpath is into water pump, out of pump into the bottom of the block/oil cooler and up past the cylinders into the head. 70ish% of the water pumps output flows through the EGR cooler into the bottom of the rear portion of the block, then mixing with the portion exiting the oil cooler and up.The Dart Wiring Coolant Flow Diagram The Dart Wiring coolant flow diagram for the Cummins ISX engine is a comprehensive guide that illustrates the flow of coolant through the engine. It includes detailed information on the engine's cooling system components, such as the water pump, thermostats, and radiator. Understanding the …The Dodge ram 6.7 Cummins cooling system diagram illustrates how the cooling system of a Cummins engine works. The cooling system of Cummins is being …The coolant flow in the 5.9 Cummins engine begins with the water pump, which pulls the coolant from the radiator and circulates it through the engine. The coolant then flows through the engine block and cylinder head, where it absorbs the heat generated by the combustion process. From there, the heated coolant flows through the thermostat ...If the fuel pump cooling circuit screens become sufficiently restricted (e.g., due to an inordinate amount of debris from filtration material) and the engine is operated in an extended motoring condition, such as on a long down-hill grade, the engine may experience a burst low-pressure nylon fuel line.high coolant temp a/c clutch eng coolant temp eng oil temp xmsn oil temp cab ground p46 g8 f7 c5 g5 b7 d4 f4 a4 e5 e6 s3 1 j60 1 j64 e 13 s4 s5 j66 1 p44 ab c y01a j50 a b p50 p23 ab b01 b03 j65 1 b02 j51 1 usage: use on 379 chassis family with cummins isx and signature series engines with cm870 controller. diagram, system, cummins isx, model ...100-002 Engine Diagrams Engine Views The following illustrations show the location of the major external engine components, filters, and other service and maintenance points. Some external components will be at different locations for different engine models. Automotive with CM870 ISX Automotive with CM870 - Left Side View 1. ECM cooling plate ...Cummins LCL Codes: SPN/FMI 111/3-Coolant level Voltage Above Normal Shorted High SPN/FMI 111/18- Coolant level low SPN/FMI 111/4-Coolant level Open Circuit or Shorted low Detroit LCL Codes: SPN/FMI 111/3-Coolant level Voltage Above Normal Shorted High. SS 1034797 M2,108SD, 114SD Coolant Level Sensor P/N 06-93316-002 5 ….

PROVEN FULL -FLOW DESIGN – Donaldson Lube Filters Outperform Every oil filter needs to effectively balance three key characteristics: efficiency (contaminant capture), capacity (contaminant holding) and restriction (resistance to flow). Donaldson filters continue to provide better protection for your X15 and ISX engines.0. Hi guys. I have a 2015 Kenworth T800 with Cummins isx. Low coolant warning light was comming on once in awhile in the morning but would go out as coolant pressure build up. Did not add any coolant. Now light and buzzer is on steady but reservoir is still full. Checked wiring plug for sensor, looks good. Any idea.Obtain this information from the owner: Is the engine equipped with a coolant filter? How many thermostats are there? Purchase these items from Cummins: The correct …50 percent water. Fully-formulated coolant contains balanced amounts of antifreeze, SCA, and buffering compounds already premixed 50/50 with deionized water. Alternative maintenance practices for cooling systems can be found in Cummins Coolant Requirements and Maintenance, Bulletin 3666132. Diesel Exhaust Fluid InformationThe Dodge ram 6.7 Cummins cooling system diagram illustrates how the cooling system of a Cummins engine works. The cooling system of Cummins is being …Do you need a 6.7 Cummins Cooling System Diagram? The 6.7 Cummins Cooling System Diagram, pointers, and frequently asked questions are all available here. We produced this page for people searching for a 6.7 Cummins Cooling System Diagram. Our article will help you in fixing your issue. A wiring diagram will certainly show you where the wires ...03/13/2017 - Added link to IK1200886 - Relocation of AAT Sensor to Mirror due to Fault Codes and Air Temp Flow Issues with Aftermarket Bumpers as this relocation changes the wiring for the sensor. Table of Contents Click on the items below to jump to each section: Description Cluster Circuit Diagrams Symptom(s) Sensor Location - Big Bore EnginesProviding the Motor Coach market with a dependable heavy-duty platform, developed from a fully integrated and stable engine architecture and system design, the ISX12 provides motor coach entities with the benefit of low change. Available throughout 2018, the Buy America-compliant ISX12 will continue to use the established Cummins Aftertreatment ... Cummins isx coolant flow diagram, Oct 19, 2023 · Joined: Sep 2015. RE: Best coolant to run in the isx? I get the pre-diluated stuff for 2 reasons. 1, it’s easier. 2, tap water has impurities that lead to scale buildup on your liners and radiator tubes. If I do use concentrate I buy gallon jugs of distilled water to keep the system free of hard water deposits. , Surface Studio vs iMac – Which Should You Pick? 5 Ways to Connect Wireless Headphones to TV. Design, 15 Ara 2018 ... Hi, coolant flows through both hoses non stop , in a loop right back to the water pump. The Thermostat does not have to be open, the moment the ..., Cummins Isx Coolant Flow Diagram 6.7 Cummins Cooling System Diagram 6.7 Cummins Heater Hose Diagram. Doorbell Schematic Diagram. Detroit 60 Series Ecm Wiring Diagram. Latest Posts. Effective Coordination Meeting Invitation Email Sample for Seamless Collaboration; Everything You Need to Know About Declaration …, January 7, 2023 Schematic. This page includes information on the 6.7 Cummins Coolant Flow Diagram, hints, and frequently asked questions. We produced this page to help those searching for a 6.7 Cummins Coolant Flow Diagram, and hopefully, You can solve your problem with our info. A wiring diagram will certainly show you where the wires should ..., Compressed air system & flow diagram; Cooling system overview & flow diagram; ... Cummins ISX Fault/Diagnostic Manual (CM2250) $ 625.95 $ 595.95 Add to cart. Sale!, Coolant TemperatureReturn 79 34 Camshaft Position Sensor Camshaft Position +5 Volt Supply 78 ... Cummins ISX-15 CM2350 Electrical Circuit Diagram PDF With Instant Download. Title: epcatalogs.com Cummins ISX-15 CM2350 Electrical Circuit Diagram PDF Created Date: 7/18/2021 11:24:53 AM ..., flange) for the coolant lines. If the existing cooler is horizontal plate, choose one of the following: OEM is New Flyer, follow Case A below OEM is Gillig or Nova, follow case B All other OEM’s, follow Case C below 2. The vertical plate EGR cooler (Figure 2) is equipped with a flange connection for the coolant lines. , specifications, diagrams, and se rvice tools where applicable. ... † If an engine has been operating and the coolant is hot, allow the engine to cool before slowly loosening the filler cap to relieve the pressure from the cooling system. † Always use blocks or proper stands to support the product before performing any service work. Do not work on anything that is …, Specifications Coolant Capacity (Engine Only) 26.5 liters [28qt] Normal Coolant Temperature Greater than Fan on at High Temp Alert 180°F [82.2°C] 210°F [99.0°C] 225°F [107.2°C] Minimum Recommended Pressure Cap Range 90 kPa [13 psi] Fuel System Specifications Spin-On Pressure Fuel Filter Fleetguard Part Number FF5825NN, You can access Cummins Owner’s Manuals and wiring diagrams for engine products by ESN with our Engine Manual Lookup tool. Manual Lookup Tool Technical documents on QuickServe, Furthermore, on Freightliners an air over electric valve controls sleeper coolant flow and will not work below a certain air pressure. Cummins ISX Plumbing R03 ..., It is ideal to use the coolant formulation that the motorhome was originally filled with. Mixing coolant formulations can result in loss of protection of the engine and other components in the cooling system. All coolants used in the ISX15 or X15 must meet Cummins 14603 or 14439 specification., COOLING SYSTEM INFORMATION Cummins recommends using either a 50/50 mixture of distilled water and fully formulated antifreeze, or fully formulated coolant when filling the …, Surface Studio vs iMac – Which Should You Pick? 5 Ways to Connect Wireless Headphones to TV. Design, At 18% efficiency:200,000 miles per year divided by 6 mpg x $3.15 per gallon = $105,000 per year. Read about the new Cummins ISX diesel engine that uses waste heat to generate steam that will ..., 6.7 Cummins Coolant Flow Diagram. Next. 6.7 Cummins Oil Pressure at Idle. Similar Posts. 6.7 cummins. 12V 5.9 Cummins Timing Marks. By Zayn August 19, 2022 January 23, 2023. Proper timing is crucial for the engine’s performance and longevity. Incorrect timing can cause a variety… Read More 12V 5.9 Cummins Timing Marks. 6.7 …, A coolant flow diagram of a 67 Cummins engine illustrates the path that coolant takes through the engine’s cooling system. Understanding this diagram is …, Cummins ISM continues to deliver outstanding fuel economy, thanks to its electronically controlled fuel system with advanced air-handling technology. We expect the ISM to continue its fuel economy leadership of any engine in its class meeting the 2.5-gram NOx+NMHC emissions requirement. Impressive Acceleration., The 6.7 Cummins Coolant Diagram, pointers, and often asked questions are all available here. We create this page for people looking for a 6.7 Cummins Coolant Diagram. A wiring diagram will certainly reveal you where the cables should be linked, eliminating the need for uncertainty. You can prevent making errors if you use a wiring …, Title: Cummins ISX SCR System wiring Applies To: ProStar with 2013 Cummins ISX Engine with SCR CHANGE LOG Dealers: Please refer to the change log text box below for recent changes to this article: 5/12/2014 - Article was created. 6/03/2014 - Wiring schematic for "Cummins ISX SCR wiring ­ Aftertreatment Harness" was , About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., coolant runs through the air compressor head, if the compressor head cracks, air pressure is much greater than cooling system pressure which is max. 15 psi, and so it would pressurize the cooling system, if your truck doesn't hold air overnight...I've also seen cases where coolant will seep into the compressed air system when truck air pressure ..., The solution for this type of problem will typically involve replacing parts such as the ECM, fuel injectors, and sensors. It may also be necessary to replace other components such as solenoids, guidance systems, and O-rings. In some cases, complete replacement of the entire actuator unit may be required., This can lead to overheating and potential engine damage. 3. Decreased fuel economy. A faulty EGR cooler can cause the engine to run less efficiently, resulting in decreased fuel economy. 4. Increased exhaust smoke. A failing EGR cooler can cause an increase in exhaust smoke, particularly white or blue smoke. 5., 3 DIESEL ENGINE. RATED: 185 Hp @ 2200 rpm. (T). THIS SCHEMATIC. DOES NOT DEPICT. DETAILS OF THE. ENGINE COOLING. SYSTEM OF THE. CUMMINS ENGINE. 2.250. 2.250., 3. Faulty Camshafts. A camshaft is a rotating shaft or rod that opens and closes the intake and exhaust valves depending on engine speed, loads, and throttle position. Camshaft problems are a major cause of engine malfunction. In the Cummins ISX engine, camshaft problems are commonly caused by faulty rocker arms., , Like any other engine with an EGR, the system can cause some problems. On the ISX, it most likely has to do with a leak in the EGR valve. This is a difficult problem to diagnose, but monitoring the coolant consumption can help. If you notice that it's using a larger amount of coolant than normal, it's probably worth investigating further., You have compression inside your coolant system. Usually a blow head-gasket, dropped cylinder liner, or cracked head (over-heated). In rare cases, the fault is in the turbo or the air compressor (but very rare). You will also have signs of oil/coolant cross-contamination. Look for oil in coolant and vise-versa., In fact, the QSX15 for Tier 4 Final offers ratings that are capable of achieving over a 50 percent increase in torque while at the same time getting better fuel economy. Every major component and system is designed by Cummins for total quality control, building on a proven engine with fully integrated electronics., Title: ISX Low Coolant Switch Diagnostics Applies To: Prostar Units with Cummins ISX Change Log Dealers: Please refer to the change log text box below for recent changes to this article: 1/11/2017- Edited article for feedback purposes. 5/9/2016­ Changed step 2 to check resistance with key off., The kit contains the coolant vent line for installation. Reference Procedure 008-017 in Section 8 in the appropriate service manual. NOTE: Peterbilt™ 320 Chassis installations may need to order a new original equipment manufacturer (OEM) air intake pipe, D66-6894 PIPE-AIR INTAKE, in addition to the kit below. Diesel Engines: The new vertical plate …