Cummins 53 block crack

Cummins 53 block repair a shop repaired a block on the top,they used the same method but used steel bolts after screwing the bolts in they cut them off flush with the block then drilled and threaded between the bolts. The kdp is a design flaw based on most if not all engines made by cummins from 93to mid 03. The 53 block casting has thin water jacket walls that are susceptible to cracking. Cast iron repair engine applications locknstitch, inc. The post 53 blocks have thicker walls in the area that normally cracks 11mm vs. With coolant cavitation, corrosion, coolant pressure in the block, frequent or heavy towing they may crack, causing a loss of coolant. 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. The 53 block is infamous for cracking with light modifications and even no modifications at all. Top problem areas to look at on 9802 dodge cummins secret tips for buying used diesel trucks duration. The beloved 53 cummins blocknotorious for cracking. I believe your engine predates the cummins 53 block issues. I and many other owners of 1998 thru 2001 dodge cummins diesel vehicles have or will experience a known defect of the designated 53 block in these vehicles. You should see a large wiring harness mounted to the block.

Apparently somewhere in the neighborhood of 1 percent of the 53s have cracked and leaked coolant. I will be changing the diffs for better milage i did some calculating the other day and i could payoff the new diffs in thefirst 14 months and some other things. After years of use, the 53 blocks tend to crack until coolant starts to pour out the side of the block. Supposedly it affects about 100,000 blocks, but not only in dodge rams. 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. If you already have your engine pulled, cummins has an offer of a. Automatic transmission owners may have difficulty viewing cracks.

The 53 blocks have a tendency to crack and create a leak which will lead to an engine replacement. It seems when they get to 100 to 120k, they crack from the main webs clear up. If you own this particular block series, have a professional mechanic inspect the block for cracks and other casting anomalies. The block was stamped 53, i was wondering if there are any recalls on this or if dodge is doing anything about this. I have also heard that with as many miles as you have, chances are it isnt going to crack. Yes the 53 block did crack in nov 06 at 370,000 kms with 40 visits on the engine 8 dollarshops and cumzins 3times just looking to find a good diesel engine to replace this lemon. Cummins engineers basically said the likelyhood of failure is proportional to engine stressload, the harder its worked the more likely itll crack. The 53 block was also used in medium duty trucks from different manufacturers, mobile homes, public school buses and mass transportation buses. The cummins 53 block was used in cummins 24 valve isb diesel engines from 1998. The cummins 6b engine with the 53 stamped casting was a known crack issue in the late nineties.

Its identified by a series of letters and numbers about 14 high where the 12 high 50. Ive read that about one in nine trucks got the mexi motor, and the majority of 99s had 53s. The second potentially deadly flaw occurs in 99 to 02 5. The number 53 is cast into the block somewhere behind the drivers wheel well. The 53 comes from a casting number on the side of the block and is used to identify the problem blocks. Archive 53 block class action lawsuit 9802 2nd gen.

After doing some research i see that cummins had a class. Yes i contacted cummins and i have never heard back from them. Brazilian blocks are cast by a company named tupy and are marked such. Cracks commonly develop on the passenger side of the 53 blocks, right below the freeze plugs. They have a 53 on the side of the block so theyre easy to identify check this site for more info. If you can find a 2002 cummins, it will bolt right into your 2nd gen. After doing some research i see that cummins had a class action lawsuit and there was even mention of cummins shops taking care of customers with engines below 150k miles. The issue is that some of the walls are too thin and can crack under stress. Those owners of a cummins 24v isb engine in a 19982001 model year vehicle.

Cummins isb 53 block thanks to stamey what is the 53 block. Learn how to identify and repair your cracked engine block quickly and permanently. The mexican block is the best one, its not a 50anything. 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. The first step in figuring out how to fix a cracked engine block is identifying where the craci is. Cummins fatal flaws diesel power magazine truck trend. Dodge cummins 98 01 watch out for weak block in general. Genuine cummins recon engines and parts cummins inc.

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. Recent information i have received from a 1998 12v owner says that some late 12v. Fortunately, you have options to replacing the block, such as what is known as locknstitch that literally sews together the two separated pieces. In fact, more fleets and owneroperators are switching from major overhauls to cummins recon engine options than ever before and with good reason. The 1999 dodge ram 2500 has 3 problems reported for cracked engine block. I have a 2000 cummins with the 53 block that has a flaw in the casting being too thin and prone to cracking and wondering how many on this forum have experience with a cracked bock. Dont end up with a cummins diesel engine like this. I was just on the diesel page reading a thread about 6. The 53 block refers to casting numbers, and affects engine blocks that have the number 53 stamped onto them. One of the most talkedabout problems when purchasing a truck within this era is the 53 block scare. After two cracked 53s i just wasnt taking any chances. Also in my research i have found some information that eluded to the idea that cummins is working with people to replace the 53 blocks if they crack even outside of the normal warranty. Its known as the 53 block problem, because these engine blocks have the number 53 cast into the side of the.

Im sure it is on a case by case basis, but it sounds promising though for. If you have an internal crack, youll likely have symptoms similar to a blown head gasket. The 53 block was a bad block casting from cummins that are known to crack. I have a cat now and would never buy a coach with a small block cummins again. Quote i hate to say this but there aint much you can do about it. Tagged 53 block, cummins, cummins engines, dodge ram, failure of a common rail. I have no leaks with 190k on the truck and im guessing if it was to crack it would have done it by now. So my truck is leaking coolant and i found a crack along the right side of my block right under the freeze plugsdoah. Because these engine blocks have the number 53 cast into the side of the crankcase. I wouldnt go by year to avoid it, inspect the block for that dreaded herbie the love bug number on any 24 valve.

Must have been ok we used the truck for years afterward. In the forum you will find an informative tech area, a place for members journals, vendors with special members pricing, and more. This is my second cummins dodge, but probably my last. The truck runs just fine, just leaks coolant which makes the temp. Cummins is an american fortune 500 corporation that designs. The first question any potential purchaser should be asking when shopping for a 24valve. Igotacummins is an online forum and community for all cummins turbo diesel enthusiasts. Many 53 blocks are turned way up with no ill effects, jim fulmer is over 900 rwhp on a 53 block. Repairing your cracked engine block bluedevil products. Cummins 53 block tractor talk forum yesterdays tractors. Cummins 53 block repair tractor talk forum yesterdays. 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. When you use this engine to pull heavy loads that water jacket will crack, and grow. I have a 99 and have heard about blocks with a 53 on them having an issue with cracking.