Cummins 53 block cracks on side

You should see a large wiring harness mounted to the block. Cracks typically begin beneath the freeze plugs, which can lead to coolant leakage when the engine is worked hard or. If this is in a case tractor or machine, the machine model and serial number must also be provided. If you would like genuine cummins parts to be installed instead of clevite or mahle, please call for pricing. The article said that the 53 block has a marking, the number 53 located on the bottom of the left side of the block. You should be through a 53 block in about 6 mm, but some are a bit thicker. The indications of a cracked block has been coolant leakage.

With coolant cavitation, corrosion, coolant pressure in the block, frequent or heavy towing they may crack, causing a loss of coolant. Cast iron repair engine applications locknstitch, inc. I will be purchasing a dodge cumins diesel truck between the years of 20002002 i just found out that they all come with the 53 block. It has been approximated that some, 24 valve cummins isb. After years of use, the 53 blocks tend to crack until coolant starts to pour out the side. Cummins offers factory remanufactured short blocks, long blocks and engines for cummins heavyduty l10, m, n and isxqsx engine platforms as well as midrange b, c and islqsl engine platforms. Ultimately, since the circulation system that cools the engine is comparatively fragile, a cracked engine block will lead to coolant leaking out of the area it is needed and leaving the engine to overheat. The cracking usually happens on the traveler side, just underneath the freeze plugs. Your core must have no visible holes or cracks, no broken crankshaft or rods, no. Top problem areas to look at on 9802 dodge cummins secret tips for buying used diesel trucks duration. If you own this particular block series, have a professional mechanic inspect the block for cracks and other casting anomalies. Cummins 4bt and 6bt problems big bear engine company.

So my truck is leaking coolant and i found a crack along the right side of my block right under the freeze plugsdoah. Genuine cummins recon engines and parts cummins inc. If you have an internal crack, youll likely have symptoms similar to a blown head gasket. Welding a 53 block i have had a lot of emails and questions about the process i use to fix the dreaded cracked 53 blocks, so i will post it for everyones reference. Cummins 53 block identification cummins 53 blocks can be identified by a 53 casting number located on the side of the block. Cummins isb 53 block thanks to stamey what is the 53 block. To do the fix, the engine has to be in the truck and able to run and have coolant added after the work and the block heater plugged in, to get the heat stress distributed. The cummins 53 block was used in cummins 24 valve isb diesel engines from 1998.

Holes in the block dont sound like a 53 block issue. The truck runs just fine, just leaks coolant which makes the temp. A cracked engine block can cause a range of problems. Losing coolant from passenger side of the block slowly and had to add coolant due to loss,is there a temporary fix to stop the coolant from leaking for the mean time.

I knew lots of guys with these motors and never once heard about any cracked blocks. Seems that when these 53 blocks were cast the mold on the right side would rise just a touch, resulting in a slightly thinner spot in the right side water jacket. Quote actually its not inferior iron but a messup by one of the foundries casting the 53 block. Learn how to identify and repair your cracked engine block quickly and permanently. The article said that the 53 block has a marking, the number 53 located on the bottom of the left side. Supposedly it affects about 100,000 blocks, but not only in dodge rams. Cummins says that 2% of the 53 blocks develop cracks and they do step in and provide some help if they do.

The 53 block is of lesser quality iron, which makes it more prone to cracking and so forth. Dodge cummins 98 01 watch out for weak block in general. Thats interesing about the 53 cracks, i never heard about the turkey reference before. The cracks start out very small but these 53 blocks will. The problematic blocks are identifiable via a 53 casting number visible on the driver side front of the block but can also be located on the passenger side. Some believed the problem to be found only in high horse power versions or those with standard transmissions or those that were used to pull heavy loads. Tell me about the infamous 53 block dodge ram forum. Cummins 53 block identification by vin thaipoliceplus. Grind a shallow v in the entire crack, from end to end, even through adjoining small weep cracks. In fact, more fleets and owneroperators are switching from major overhauls to cummins recon engine options than ever before and with good reason. If you purchased or leased in the united states, its territories, or possessions a 19982001 model year chrysler dodge ram truck, model 2500 or 3500, originally equipped with a cummins isb 5. The problem with the 53 block is that it was cast in mexico and in some instances the castings were a bit thinner than they probably could have been and created a potential weak spot.

I do believe the cummins engine is the most durable on the market,but the 7. By checking if there is a 53 figure under the drivers side, you will be able to learn if you might have to deal with this problem in the future and if you have a 99 or 01 dodge ram, you will likely have to deal with solving this issue. As of 2015, common cummins engine problems include steel dowel pins loosening and falling into timing gearcases of 5. And you are going to do this with it hot, so be careful. This is not your typical rebuilt, reman or crate engine. The 53 block has a casting problem which can lead to a crack in the block. The 53 comes from a casting number on the side of the block and is used to identify the problem blocks. If you want to see if your engine block could be one of these dreaded 53 blocks, crawl under the front, left side, and look up at the block on the front, directly under the injector pump by the ps pump. The second potentially deadly flaw occurs in 99 to 02 5. How many of you have seen engine block failures with these such as cracks on passenger side causing coolant leaks. Cpp uses clevite bearings in our engines and we have had great success with clevite products. I wouldnt go by year to avoid it, inspect the block for that dreaded herbie the love bug number on any 24 valve. From 1999 to 2002 some 100,000 of the 24v isb engines stamped with the 53 on the crankcase have been known to be bad castings.

Brazilian blocks are cast by a company named tupy and are marked such. The kdp is a design flaw based on most if not all engines made by cummins from 93to mid 03. Someone that knowes more about casting could probably shed more light on it that that simple explanation. The 53 block casting has thin water jacket walls that are susceptible to cracking. Overtime these 53 blocks are susceptible to cracking causing coolant leaks. Automatic transmission owners may have difficulty viewing cracks because they often occur directly beneath the automatic transmission heat exchanger. I recently purchased my dodge truck a few months ago and i read a thread about the 53 block on this forum. We custom build this cummins engine to match your engine serial and cpl number.

There was a link to a great site about how to identify and fix this block if it cracks. Never drill deeper than 9 mm, so tape a reference mark on your drill bit. Here is information regarding the castings from a thread on tdr. The engine code is found on the passenger side bottom of the block. The first step in figuring out how to fix a cracked engine block is identifying where the craci is. Cummins built the 12valve engines from 1988 to 1998 for dodge ram trucks. Because these engine blocks have the number 53 cast into the side of the crankcase. If you can find a 2002 cummins, it will bolt right into your 2nd gen.