This Caterpillar C15 is a fully re-manufactured cylinder. Refer to the Systems Operation/Testing and Adjusting manual for the proper procedure for checking the cylinder head. We have designed this one head to fit 3406E, C15, and C15 ACERT. This issue doesn't allow for proper water circulation in the head, which allows for that excessive heat. Tear down of a C15 caterpillar.Head Gasket Problems? This video is unavailable. $750 core charge. Cat C15 Engines For Sale. View Larger Image; Here’s a Caterpillar C15, 3406E style, cylinder head that came in for a cleaning, magnaflux for cracks, pressure test and inspection. Cat C15 3406E Cylinder Head - ACERT - Fully Loaded - Brand New P/N: 2237263 Other numbers: 222-1982, 2436741, 2239250, 20R2648, 20R2647, 2811640, 2741953 Caterpillar Cylinder Head. HHP has a great selection of cylinder heads and other diesel engine replacement parts. Our Cylinder head has nickel castings and enlarged coolant passages. Clearwater Cylinder Head, Inc. thoroughly cleans, inspects, and pressure tests all our cylinder heads. Cracked Porcelain – If the porcelain appears to be cracked, replace the spark plug. Easily find what you need from 2,181,270 parts available. Replace the ARD head. C15 Single Turbo Casting Numbers - 175-5329, 176-9917 C15 Single Turbo OEM Head Part Numbers - 176-9918, 183-5396 C15 ACERT (Twin Turbo) Casting Numbers - 222-1982, 277-8240 C15 ACERT (Twin Turbo) OEM Head Part Numbers - 274-1953, 281-1640 Cylinder Head Repair Process. We specialize in Cat C15 & C18 Acert & Non Acert cylinder heads. We proudly sell these cylinder heads with One Year Warranty. we then picked up a heavy load and came back down about 300 miles when oil pressure dropped to 30 and the engine was 3 gallons low on water. Cracked Cylinder Head. This issue doesn't allow for proper water circulation in the head, which allows for that excessive heat. 156 Posts #4 • Dec 10, 2012. All parts are brand new- Including Valves, Springs, Retainers, Valve Locks, Valve Seals, Injector Cups and Cam Bearings Part number: 274-1953, 281-1640 … $750 core. THE HEAD IS 100% COMPLETE LIKE THE PICTURES ATTACHED. Please reply back if you need more help or have more questions. What piston would you recommend and also turbo set up? CAT machinery. C15 and C18 – Exhaust Has Excessive White Smoke, C15 and C18 – Exhaust System Contains Fuel. Read Below. Second is a cracked cylinder head. Catdoctor Location Offline Senior Member Reputation: 673. Notably, this heat can cause cracking in your diesel engine cylinder head. If your truck has a fuel heater, I would change it first. There is no warranty on this repair. We use cookies to give you the best possible experience on our website. Complete the procedures in order. Inspect the threaded head bolt holes in the cylinder block. This Engine block spacer plates was designed to reduce stresses on the liner flange, which could cause it to get cracked. A cracked engine head is such a serious mechanical problem that it can severely impact a car's ability to perform properly or even to run at all. If a radiator isn’t maintained externally to keep it clean with no obstructions in airflow along with not maintaining the coolant which allows internal plugging and clogging of the tubes, overheating will result. If your truck has a fuel heater, I would change it first. Check out our post on. What makes our Cylinder head, a great buying option!!! New Caterpillar C15 ACERT Cylinder Head (Fully Loaded) We offer pressure tested, magnafluxed and x-rayed reconditioned OEM cylinder heads. Let Highway & Heavy Parts help you find the right solution to your problem! I reused the head and spacer plate. This is a Caterpillar C15 diesel cylinder head that has several cracks from overheating. Cat C15 acert diagnostics question. Check out our blog for more information on diesel engine noise under load. The spacer plate is just a few thousands of an inch thinner than the liner flanges, this ensures the correct liner protrusion and guarantees proper head gasket sealing. CAT C15 Engines and CAT C15 Engine Parts are always in stock at Capital Reman Exchange including remanufactured diesel engines and OEM parts. I'm wondering if that would cause enough oil loss to cause an unresponsive iva. Result : The cylinder head gasket is not leaking. Hello again Cat Man, I have a c15 SDP engine that I overhauled with cat gold kit. This method of testing saves a lot of time and allows us to detect exactly where faults have occurred in … Thanks Given: 734 Thanks Received: 2194 (313 Posts) Posts: 591 Threads: 23 Joined: Apr 2011 10 10-11-2019, 11:42 PM (10-11-2019, 10:10 PM) IROC Wrote: Sounds like a good test before committing to pulling the head. Possible cracked head, bad gasket, bad mid plate, low liner protrusion, cavitated or cracked cylinder liner above the piston. Note: The procedures have been listed in order of probability. Our ASE Certified Techs can help! We sell Brand New Cat C15 Acert & Non Acert cylinder heads for NON ACERT models: 6NZ, MXS,BXS, NXS, SDP & JRE, KPZ, TXG, JAS for C15 ACERT complete cylinder head. Inspection and/or Repair Procedure to Replace Broken Crankshafts in C-15, C-16, C15, 3406C, 3406E, and 3456 Engines - Caterpillar recommends reading and understanding this procedure completely before attempting any of the repairs that are described This procedure was developed in order to provide a higher quality and a lower cost repair for a broken crankshaft. Result : The NRS cooler does not have a leak. For instance, if you're noticing noise from your engine under load, you might also have gasket issues, or there might be a problem with the lubricating abilities of your oil. Thanks Cindy, Dec 5, 2015. Replace old, damaged, and cracked heads with brand new and improved cylinder heads from PACCAR Parts! Something else that can cause overheating in your diesel engine is compression in the cooling system. Add to cart. Second is a cracked cylinder head. All of our Cylinder Heads come with a … The cylinder head is pivotal in this process, and a damaged or cracked head can disrupt combustion and cause problems in your engine. we sent the truck with a light load up the 395 to reno about 400 miles. THERE IS NO CORE CHARGE AT ALL! Spark plug damaged: Result: The components are clean. What are Some Symptoms of Cylinder Head Issues on My C15 ACERT? Products from Highway and Heavy Parts presented in this web site are not to be confused with any of the products or trademarks of any OEM company. Caterpillar Cylinder Head C15 All Cylinder Heads from Internet Diesel and Diesel Machine Works include new guides, injector tubes and valves. THERE IS NO CORE CHARGE AT ALL! These include: It's important to note that these symptoms don't always indicate an issue with your cylinder head. The Jeff Location Offline Senior Member Reputation: 83. The second is a complete overhaul of the cylinder head. 144 inch sleeper blu4 heater... SophiaWYO posted Nov 22, 2020 at 9:47 AM. Your email address will not be published. However, it was the C15 that caused Cat to be taken to court by frustrated customers over … HI, I have a 1998 Peterbilt 379 with a cat 3406E. I said I didn't care. Cat c15 using coolant and pressure in the overflow tank.Dealer says could be bad injector cups,wants to change - Answered by a verified Technician. Check out our post on C15 cylinder head problems and solutions. We supply Remanufactured and Surplus New Caterpillar engines, Cylinder heads for Cat C3406, 3304, 3306, C12, C15, C18, 3412, Turbos and injection pumps. … It's a very popular engine, and we get a lot of questions on it from our customers. But as long as the engine hasn't failed, you can ignore them, right? Make sure the deck and head gasket surfaces are clean and dry. Satisfied Customers: 10,235. Below is a list of repairs that can be performed. In no way is it implied that the products listed to fit these manufacturer’s models are original equipment parts, rather they are replacement aftermarket parts and accessories. The c15 has the c16 crank with c15 pistons, making it a 15.2, but here is your problem, the c15 head has actuators for (I forgot how to call me) well this things that mess with you intake timing to act as an EGR. Clearly, this engine can produce a significant amount of power. The C15 Caterpillar industrial diesel engine is available in ratings from 475-595 bhp at 1800-2100 rpm. No core. Engine block spacer plates were designed to reduce stresses on the liner flange, which could cause it to get cracked. CAT C-15/3406E Engines The new C-15 head is well packaged in a durable wooden crate with convenient nylon lifting straps for safe and secure shipping and handling. I was told the only damage was to the cylinder head but I still needed a 26000 dollar engine overhaul. For further assistance, the TC can confer with the Dealer Solutions Network (DSN). Check out our blog for more information on, HHP has a great selection of cylinder heads and other diesel engine replacement parts. We warranty our cylinder head for 1 year! Otherwise, install the original spark plug. This video is unavailable. Cylinder Head Cracking – Overheating Is The Most Common Cause. Cat Man, Cat Engine Expert. Having your engine serial number handy can ensure you get the right parts the first time, as well as speed up the process. Category: Medium and Heavy Trucks. Want to know more about cylinder heads? Cat C15 pushing coolant. This can cause excessive heat, which leads to other issues in your engine. We warranty our cylinder head for 1 year! All Rights Reserved. Dec 5, 2015 #1. These cracks can cause coolant or oil to leak in your C15 ACERT. Replace old, damaged, and cracked cylinder heads with brand new and improved cylinder heads. Call our ASE Certified Technicians, Diesel Engine Product Spotlight: Case Skid Steer Common Rail Injectors and High-Pressure Pump, Diesel Engine Product Spotlight: Case/New Holland Fuel Injector, OEM vs. HHP Bosch Diesel Engine Supply Chain, Heavy Duty Diesel Engine Tech Tips & How To Help. Caterpillar C15 Acert Cylinder Head Twin turbo part numbers – 222-1982; 277-8240; 274-1953; 281-1640 CTP is the premiere replacement cylinder head … The new 3406E/C15/C15 ACERT Cylinder Head is well packaged in a durable wooden crate and a convenient nylon lifting straps for safe and secure shipping and handling. This can be the cause of the smoke you see coming from your pipes. No core. Refer to Systems Operation/Testing and Adjusting for the proper procedure for checking the cylinder head. Repair the cylinder head and/or replace the cylinder head. Cylinder head: Result : A crack is found in the cylinder head. Please reply back if you need more help or have more questions. Be sure the threads are clean and in good condition. We've noticed, though, that there are a few questions that a lot of people have regarding the health and performance of their C15 ACERT cylinder head. A warped cylinder head or worn valvetrain can lead to decreased engine power, poor fuel economy, overheating and potential engine failure. 6. There are a few common symptoms of a cracked engine head. So, you know the symptoms. ... Next is a cracked cylinder head. 1 year unlimited warranty, Labor based by material and workmanship. So, Even a brand new car can experience cylinder head … Core head can be cracked, no damaged combustion chambers, or spun cam bearings. Page 3 of Caterpillar Cylinder Heads listings. 14.6L OHC 24V W Cam Bearings. Cylinder head cracking can also be caused by localized hot spots in the engine. You've probably heard of it. Read our post on the purpose of cylinder heads in diesel engines. The C15/3406E/C-15/C16 cylinder head manufactured by JEREH is a brand new and improved head which have withstood the toughest operating environment worldwide. This Caterpillar C15 Twin Turbo cylinder head is fully re-manufactured. Most Reliable CAT Engines Your source for new surplus & rebuilt Cat engines. Cat C-15 weighs over 400 pounds! For instance, you might be having troubles with the cooling system. Is it OK to use an after market head without having any problems? Our cylinder heads are similar to genuine Caterpillar cylinder heads. Required fields are marked *. Save . If it is not have one, I would suspect the cylinder head is cracked. We proudly sell these cylinder heads with One Year Warranty. And lastly is a failed air compressor head gasket. 3406E and 3456 Industrial Engines Testing and Adjusting – Engine Oil Pump – Inspect, 3406E and 3456 Industrial Engines Testing and Adjusting – Engine Oil Pressure – Test, 3406E and 3456 Industrial Engines Testing and Adjusting – Engine Valve Lash – Inspect/Adjust, 3406E and 3456 Industrial Engines Testing and Adjusting – Aftercooler – Test, 3406E and 3456 Industrial Engines Testing and Adjusting – Inlet Manifold Pressure – Test, Aftertreatment Regeneration Device (ARD) head leaking coolant (If equipped). We have inspected many other brands and this head is the answer to your problem. Valve Bridges are Included with Cylinder Heads - Many Caterpillar machinery and engines 15 REHS3827-00 Read Below. Watch Queue Queue We now offer C15 ACERT Cylinder Heads with an option of inconel valves for engines with higher temperatures and higher cylinder pressures. Highway and Heavy Parts is in no way associated, sponsored, or affiliated with any OEM manufacturer. Cat C15 3406E Cylinder Head - ACERT - Fully Loaded - Brand New P/N: 2237263 Other numbers: 222-1982, 2436741, 2239250, 20R2648, 20R2647, 2811640, 2741953 2239250 Loaded Cylinder Head Of C15 ACERT. Install a new head gasket. Want to know more about cylinder heads? A. Sep 15, 2011 Lakeland, Fl 0. Perform a leak test on the cylinder head. CAT C-15 / 3406E Acert Loaded Caterpillar Head quantity. Major cracks can cause severe damage to the cylinders of the engine. for what reason will it be doing that and you cannot refit it like that the water pipes will start blowing what can be the cause of the heads, does the fan start to late is it something to do with the temp. New Aftermarket. Sold By: River Valley Truck Parts Kankakee, Illinois 60901. B. Everything internal. About the CAT C15/C15 ACERT/3406E Cylinder Head . Want to know more about cylinder heads? Quantity: 1. Cylinder Head | CAT C15 Acert – New and Complete. We never did an inframe so without pulling the head, we'll never know if it was anything we did or not. Magnafluxed to detect cracks; Cracked Heads are Furnace Welded Cat serial numbers include – BXS, MXS, NXS , SDP. Cylinder Head Problems on a CAT C15 ACERT, Not running an ACERT? Cylinder head. Save my name, email, and website in this browser for the next time I comment. More Info. THERE IS NO CORE CHARGE AT ALL! If you’re not planning to change the cam bearings in the overhead cam engine you cannot use your caustic spray cabinet or hot tank to do the job. Experience: I am ASE Master Truck Certified. I just found out the head is cracked. ATL Diesel offers a wide range of C15 Acert parts and accessories, making it easy to find what you are looking for. Refer to the Disassembly and Assembly manuals for the correct procedure. 176 … Search Results for Cat Cylinder Head on Cores.HeavyTruckParts.Net. Repair the cylinder head and/or replace the cylinder head. One Year/Unlimited Mile Factory Warranty. 1 year ... See More Details. OEM part number is 2454324. C#2237263 / 2454324 . We sell Brand New Cat C15 Acert & Non Acert cylinder heads for NON ACERT models: 6NZ, MXS,BXS, NXS, SDP & JRE, KPZ, TXG, JAS for C15 ACERT complete cylinder head. Cindy Light Load Member. Well, there are a few symptoms that you can watch out for that might indicate an issue with your cylinder head. Check the cylinder head gasket for leaks. Something else that can cause overheating in your diesel engine is compression in the cooling system. 65 4. This Caterpillar C15 is a fully re-manufactured cylinder. Caterpillar® and Cummins® Cylinder Head Pressure Testing is a vitally important procedure in Cylinder Head remanufacturing at Bells Caterpillar® and Cummins® Engines. No Core…No Hassle! The spark plug may be damaged if the spark plug is dropped. Cylinder Head | CAT C15 Acert. Please see pictures. More alloy element configuration in casting material to get better strength and performance for cylinder heads. These usually represent a failure in some portion of the cooling system. Head gaskets are designed to withstand the demand placed on them for particular applications, but other components and conditions can increase the stress past the breaking point of the gasket. If the procedure did not correct the issue, contact your Caterpillar® Dealer Technical Communicator (TC). The new 3406E/C15/C15 ACERT Cylinder Head is well packaged in a durable wooden crate and a convenient nylon lifting straps for safe and secure shipping and handling. Product Description. We sell Brand New Cat C15 ACERT & Non Acert cylinder heads for NON ACERT models: 6NZ, MXS,BXS, NXS, SDP & JRE, KPZ, TXG, JAS for C15 ACERT complete cylinder head. Do not install a spark plug that has been dropped. A. Pressurize the cooling system. All parts listed to fit these manufacturers models are replacement aftermarket parts. Replace the NRS cooler. This is the only Head we use at Bolland Machine to replace cracked or damaged C15 Acert, C16, C18 heads. Our Cylinder head has nickel castings and enlarged coolant passages. This Cylinder head … Refer to the Disassembly and Assembly manual for the correct procedure. Core head can be cracked, no damaged combustion chamber, or spun cam bearings. Shown above, a blown head gasket (left) and cracked liner right) from a heavy-duty diesel engine. Replace your old cracked cylinder head with our new and improved head. Cat C15 ACERT CYLINDER HEAD FOR SDP, MXS, BXS, NXS, CXS, JRE, JAS, KPZ $3100-$3500 price varies Cat C15 NON ACERT CYLINDER HEAD FOR 6NZ, 2WS, MBL, 3406 $2990. Any better head gaskets to use in these. In order to reduce failure or cracks on the cylinder head due to overheating we manufacture these heads with 5% nickel in the casting, we enlarge the coolant passages and fortify the inner ribs. Check the NRS cooler for leaks utilizing the “On Engine Test Procedure”. If necessary, use the correct size tap to recondition the threads. $750 core. We'll take you through what's actually happening with your C15 ACERT cylinder head. $2,999.00 USD. Watch Queue Queue. What makes our Cylinder head, a great buying option!!! C15 Truck Cylinder Heads. Use the following procedure for a problem with coolant in the exhaust system. New Caterpillar C15 Acert, C16, C18 Cylinder Head Loaded with New Valves. Used 2000 CAT C15 Cylinder Head For Sale In Kankakee, Illinois. 5 0. You might also have your damaged cylinder head venting exhaust gases directly into the engine. NO CORE RETURN REQUIRED. Cat C15 3406E Diesel Cylinder Head Cleaning, Magnafluxing and Pressure Testing. Our shop has only ever done 1 rebuild with aftermarket parts. Refer to the Specifications manual for the correct torque value. Check for cracks in the cylinder head. It's what allows for the compression to happen that makes your engine run. Compatible with C15 : ( CALL WITH ENGINE SERIAL # TO SEE IF THIS HEAD WILL FIT YOUR APPLICATION ) (844) 707-9655 sales@alliancedieselllc.com All heads go through a stringent quality control process at our U.S. based … So, when replacing either the cylinder head or the head gasket; make sure that you are using the correct parts. I been working for a company in South Africa who's fleet had about 12 Cat C15 and all of those vehicle heads cracked on about 700 000 km why does the head cracked. All seat and guide work is … So, if it's not working right, your whole engine will suffer. We never had high egts but that also could be due to the pyro having lag and not noticing it the pistons are aluminum cat pistons. Result : The ARD head is not leaking coolant. For instance, if you're noticing noise from your engine under load, you might also have gasket issues, or there might be a problem with the lubricating abilities of your oil. Core head can be cracked, no damaged combustion chamber, or spun cam bearings. Cylinder head: Result : A crack is found in the cylinder head. Depending on the severity of the problem with your cylinder head, it might be time to install a new one on your CAT C15 ACERT. Description Description. Refer to Systems Operation/Testing and Adjusting for the proper procedure for checking the cylinder head. C. Inspect the combustion can for signs of coolant leaking from the ARD nozzle heater o-ring seals. Our collection includes rebuild kits, cam shafts, cylinder heads, pistons, rocker arms, and anything else you might need. Refer to Testing and Adjusting, “Exhaust Cooler (NRS) – Test”. We have a 20,000 sq ft diesel machine shop and have been in business since 1962. we just replaced a cracked head on a c-15 cat engine that had been damaged by overheating. If the crack in the cylinder head is large, you might even have it leaking out the top of the cylinder head. I am happy to assist. A. Perform a leak test on the cylinder head. Our heads are similar to genuine caterpillar with 5% nickel in the casting. Email us (844) 707-9655. Check out highwayandheavyparts.com for all our available CAT C15 ACERT cylinder head options. Please see pictures. The Cat ® C15 Industrial Diesel Engine is offered in ratings ranging from 354-433 bkW (475-580 bhp) @ 1800-2100 rpm. If it is not have one, I would suspect the cylinder head is cracked. You can also watch our video for more information: Need a new cylinder head for your CAT? Stock Number: HD126C. A. I have 12,000 mikes on the truck since overhaul and now I've got antifreeze in … Repair the cylinder head and/or replace the cylinder head. New Aftermarket. Not running an ACERT? • … Severe and excessive overheating will cause cracks in […] We're going to take you through these common issues and symptoms, so you can have a better understanding of why it's happening and what solutions we have for you. These C15 cylinder heads will fit Cat C15 prefixes 6NZ, JRE, MCW, MXS, BXS, NXS, SDP, JAS etc. Caterpillar C15 ACERT Cylinder Head Sale Price. The spacer plate is just a few thousands of an inch thinner than the liner flanges, this ensures the correct liner protrusion and guarantees proper head gasket sealing. So, do you have any of these symptoms with your Caterpillar C15 ACERT diesel engine? … PLEASE CALL WITH SERIAL NUMBER SO WE CAN QUOTE FOR YOUR MODEL. In fact, it can cause you headaches in nearly every facet of an engine's operation. Refer to Systems Operation/Testing and Adjusting, “Cooling System – Test” for the correct procedure. Replace the cylinder head gasket. One goes to the top of … we did not pull any pistons of sleeves. We assure 100% satisfaction because quality of our cylinder head will meet and exceed genuine original cylinder head from the dealer. I pulled both transfer hoses off the reservoir. PLEASE INCLUDE YOUR AREA CODE AND TELEPHONE NUMBER. Watch Queue Queue. Read our post explaining the function of diesel engine cylinder heads. So the c15 head has much more electrical parts and extra stuff the (the actuator, the devilish actuators) that the 3406e does not. If the engine loses coolant, you might notice that it's having a hard time maintaining a safe operating temperature. 1993-2008 SOHC. If the procedure did not correct the issue, contact your Caterpillar® Dealer Technical Communicator (TC). Refer to the Disassembly and Assembly manual. Call our ASE Certified Technicians at 844-304-7688, or request a quote online! Give you the best possible experience on our website head that has several cracks from overheating NRS ) – ”! Possible cracked head Discussion in 'Peterbilt Forum ' started by Cindy, Dec 5, 2015 the cooling system with... Head which have withstood the toughest operating environment worldwide – Exhaust system genuine original cylinder head with. Leaking out the top of … cracked cylinder heads are Furnace Welded C15 truck heads. Coolant or oil to leak in your diesel engine cylinder head has nickel castings and enlarged passages... The TC can confer with the Dealer Solutions Network ( DSN ) Highway Heavy... Loaded Caterpillar head quantity C15 truck cylinder heads from PACCAR parts C15 but n't! Jereh is a failed air compressor head gasket ; make sure that spots! Under load and accessories, making it easy to find what you need help! 'S having a hard time maintaining a safe operating temperature Loaded with new valves by! Function of diesel engine inspected many other brands and this head is cracked include –,. Heads with brand new and improved cylinder heads replace the spark plug is dropped and! Posts # 4 • Dec 10, 2012 have one, I would suspect the cylinder head can out! On engine Test procedure ”, C18 heads and have been in business since 1962,!, Labor based by material and workmanship, it can cause cracking in your.. 379 with a properly functioning cylinder head issues on my C15 ACERT, not running an ACERT to. Also turbo set up • Dec 10, 2012 a brand new and improved head which have the! Replace cracked or damaged C15 ACERT 'll never know if it was anything we did or not which could it... A 1998 Peterbilt 379 with a properly functioning cylinder head options of probability o-ring seals failed recently the. Sell these cylinder heads a problem with coolant in the cylinder head ( Loaded! Replacement aftermarket parts, Inc. thoroughly cleans, inspects, and C15 ACERT head Loaded new! 'S operation Disassembly and Assembly manual for the proper procedure for checking the cylinder head only ever 1! Cat serial numbers include – BXS, MXS, NXS, SDP could cause it to get better and! With any OEM manufacturer quality of our cylinder head has nickel castings and enlarged coolant passages which could it. Loaded Caterpillar head quantity material and workmanship find what you are looking for did an inframe so without the. Castings and enlarged coolant passages to note that these symptoms with your C15 ACERT shop have... Ratings ranging from 354-433 bkW ( 475-580 bhp ) @ 1800-2100 rpm into the engine, C16, heads! For checking the cylinder head | cat C15 3406E diesel cylinder head cracking – overheating the! And Complete find something else that can cause severe damage to the cylinders the... Actually happening with your cylinder head cracking can also watch our video for information. Passageway o-ring between one iva assemble and the head, a great selection of cylinder head has failed.... Rebuild kits, cam shafts, cylinder heads in diesel engines we never did an so! These usually represent a failure in Some portion of the engine parts listed to fit 3406E, and! It first, SDP rebuild kits, cam shafts, cylinder heads with an option of inconel valves for with... Get better strength and performance for cylinder heads get a lot of questions on it from our customers proper for... Gasket surfaces are clean and in good condition magnafluxed to detect cracks ; heads. Explaining the function of diesel engine cylinder head … cylinder head has nickel castings and enlarged coolant..