Duramax broken crank

Fluidamper has broken several cranks in DURAMAX's, they're too heavy(11lbs heavier than stock iirc), but the ones built in the last couple of years are …

Duramax broken crank. Nov 26, 2018 · Broken cranks seem to be a very rare problem for Duramax's. People would need to have some fairly sophisticated equipment on a running engine to track how harmonics from the camshaft would eventually result in damage to the crank.

If it were me I wouldn't put the factory pin back in, there are a few diffent outfits that have a kit for keying the crank. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, …

Fluidamper has broken several cranks in DURAMAX's, they're too heavy (11lbs heavier than stock iirc), but the ones built in the last couple of years are supposed to be better. Unfortunately this is far to common on LML's than it should be. Seems 11-13 had a pretty high rate of failure at 150k+ miles. It's a crap shoot when the break occurs and ...Broken Duramax Crankshaft Engine carnage #reels #carrepair #car #viral. Davesautocenter · Original audioWhat did you torque the bolt to, some say in the range of 275 lb ft, SoCal has it listed as. Crankshaft Balancer Bolt. 1st Step 74 lb ft. 2nd Step 105 degrees. SoCal Diesel - LLY Duramax Torque Specs. Let me know when your done with XDP alignment tool/kit as I may be interested in purchasing it after your done... ~ Mike H ~ .Merchandisehttps://dirtydiamonddiesel.com/Thanks for tuning in we hope you guys and gals enjoy the video, be sure to follow us on social media platforms!Supp...If your Pro Controller isn't charging or lighting up, there might be an easy fix. Joy-Cons are great for what they are, but they have some big faults. Aside from their infamous dri...How to Fix your LLY Duramax Fuel Pressure Relief Valve (FPRV) Problem. There are three relatively inexpensive ways to solve a poorly working Duramax fuel pressure relief valve. The three FPRV fixes are installing a FPRV shim kit, replacing your FPRV with a race fuel valve, or replacing your FPRV with another OEM FPRV. 1.Well I've got a 2012 lml at work with a broken crank. Waiting to hear back from GM if the ecm calibrations are valid. Wondering if anyone else has seen this? ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. We strive to keep this the #1 forum for tech and …

Apr 1, 2021 · 85. 28. Mar 31, 2021. #1. Well I got 27,000 miles out of my longblock from XCalibur Diesel. I found out today the crank is broke.. So that's $6,000 down the tubes plus the $2,000 to have the engines swapped out. Im pretty sick right now. Oct 3, 2019 · Phoenix Az. Oct 2, 2019. #3. Chevyhatero said: I have a 2011 3500 Duramax with a broken between two and three main journal this is if they stock engine and I just bought the truck and I’m trying to find another crankshaft and wondering if Chevrolet will replace it it doesn’t have a warranty and I got the motor out already and I need help here. Is this a broken crank? Jump to Latest Follow 61 - 80 of 81 Posts. 1 4 of 5 Go to page. Go. 5. DMAXfirefighter · Former GM Tech and parts. Joined Jan 20, 2009 · 5,221 Posts #61 ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 207.6K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners …They really don't interchange with other years and not much out there in used motors either. 2011 GMC Sierra CCSB 2500HD SLT 6.6L Duramax. PPEI EFI Live tunes, Edge CTS, Flo~Pro exhaust, MBRP Downpipe, Full EGR Delete, FASS 150 GPH pump, Fleece CP3K conversion, Fuel Krank 20's on Nitto M/T Grapplers. Broken Crankshaft …Joined Jun 15, 2014. 79 Posts. #41 · Aug 25, 2014. I just had a broken crank come in on a lmm 2 weeks or so ago. A engineer just happen to be there (for another vehicle at the shop) when I pulled the pan off.Thanks Guys for the concerns, After all this is over I WILL shed so light on the Duramax broken crank problems and hopefully help someone else from having this pain, Like I always told my kids you learn from your mistakes, I already have a good idea of what caused this but still researching before I post my findings.What did you torque the bolt to, some say in the range of 275 lb ft, SoCal has it listed as. Crankshaft Balancer Bolt. 1st Step 74 lb ft. 2nd Step 105 degrees. SoCal Diesel - LLY Duramax Torque Specs. Let me know when your done with XDP alignment tool/kit as I may be interested in purchasing it after your done... ~ Mike H ~ .Aside from certain generation Duramaxes having weak OEM rods and pistons, Strube points out that the LML versions have had some crankshaft issues. “We’ve had a rash of the later model engines, such as the LMLs, coming in with broken crankshafts lately,” he says. “It seems to be an issue with the crankshaft itself.

Nov 26, 2018 · Broken cranks seem to be a very rare problem for Duramax's. People would need to have some fairly sophisticated equipment on a running engine to track how harmonics from the camshaft would eventually result in damage to the crank. Jun 18, 2023. #1. 2016 LML duramax, cp3 swapped (before rebuild all tuning is for cp3 swap), fass 165, installed Mahle performance pistons and rings, I’ve bled all the air you can possibly think. Maybe there’s more left. I’m between 430-450psi in all cylinders as well, did a manual compression test after completing the rebuild.Merchandisehttps://dirtydiamonddiesel.com/Thanks for tuning in we hope you guys and gals enjoy the video, be sure to follow us on social media platforms!Supp...Description. CALLIES Compstar – Duramax Crankshaft (2001-2016) Callies Durastar crankshafts are designed to be substantially stronger than OEM shafts currently found in GM’s popular Duramax diesel. This improvement is the result of substantially stronger steel, considerably deeper nitride layer and unique machining features.Oct 7, 2009. #3. Depending on how much power your going to lean on it with. I would make sure you have about .0028-.003 clearance in the main bearings too. I believe under the added stress, it's helping the crank flex a little, squishing out the oil jacket and then it makes contact with the bearing (caused my spun bearing I believe because I ...

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About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Truck had a broken crankshaft. Replaced crankshaft. Does crankshaft position need to be relearned? I know it does on some GM vehicles. Truck runs and drives but has p02CD cylinder 1 injector exceeded limits and p02D3 cylinder 4 injector exceeded limits. ... Duramaxdiesels.com was founded in 2006 and created a site which houses …New LP5 owner first 2017 GMC Denali Duramax. ... Danville Stage2R68mm,PPE Duel Fuelers 45 Over injectors,16-1 .20 over Mahel Cast pistons,Carrillo Rods,Wagler Billet Crank and Main caps, SocalDamper, Arp hardware keyed Crank and Cam Balanced Crank and rods. Merchant motor and transfer case …Another Broken Crank Thread starter OleBlackyLBZ; Start date Mar 31, 2021; Forums. Duramax 6.6 Technical. Duramax Engine Building ... We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. From all out performance builds running 8 second ¼ mile territory, to ... XDP Long-Life Cobalt Steel Drill Bit (For Crankshaft Pin Kit) XD509. $9.95. ★★★★★. ★★★★★. Vehicle Fitment: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (For Use With XDP Duramax Crankshaft Pin Kit XD331) In-Stock.

Nov 28, 2014 · I've got 3 LB7/LLY broken cranks here. They all do it, but the LB7/LLY cranks have a little more weight to them so they are preferred if you're building the motor. Not sure if it makes a difference which crank you have, I did go with a used LLY crank that was mag tested in my LMM though. mackyoudip. 6879 posts · Joined 2009. #12 · Sep 23, 2011. I've been told that gm balances their gas motor cranks to 25 grams. To spin 6+k rpm reliably in those it should e balanced to less than 1 gram. Also told the diesel cranks are way worse than the gasoline motors when it comes to being balanced... Mack: 2004 lb7.Finished up an LML Duramax last week! After 200k miles the factory crankshaft broke, and the cab had to come off for complete long block replacement. From ge...It is important to find the sweet spot where you can get the most clearance. Running a string around each rod helps you align the rods as you lower the crank in. You can tie each string off to hold the rod's position as you lower. Then adjust, lower, adjust, lower. Bottom line; it's a pain to do it that way.Truck had a broken crankshaft. Replaced crankshaft. Does crankshaft position need to be relearned? I know it does on some GM vehicles. Truck runs and drives but has p02CD cylinder 1 injector exceeded limits and p02D3 cylinder 4 injector exceeded limits. ... Duramaxdiesels.com was founded in 2006 and created a site which houses …Broken crank on LML. So I sold my 7.3 Powerstroke and my LLY & am looking at an LML. Here's a link: 2011 GMC Sierra 3500HD SRW SLT Crew Cab 4x4 …:help Friend has 09 GMC LMM Allison stealership says crank is broken. $10,000 to fix. 175,000 miles. He says coming down big hill with turbo-brake on. Stepped on the brakes and trans shifted to low pegging the tach. Any ideas on a cheaper fix. Motor still runs but hammers to beat the band.Mar 30, 2023 · May 4, 2020. #1,241. Several billet cranks broke at the limited pro stock power level this past pulling season. This is an assumption, but given the caliber of the builds, it's a safe bet they were narrow rod, internal balance, and/ or at very least, AF cams. Talking 1300-1400 hp. Sent from my SM-G960U using Tapatalk. Chevy / GMC Duramax 07.5-10 LMM Forums. 07.5-10 LMM Duramax Powertrain Crank, No Start P0335. Jump to Latest ... I don't think the crank is broken, but I haven't removed the front cover or dropped the pan. Anything is possible. 2008 GMC Sierra 2500HD Crew Cab SLT STOCK! Save Share. Like. 0 Reply. D. Dirkrc51 …How to Fix your LLY Duramax Fuel Pressure Relief Valve (FPRV) Problem. There are three relatively inexpensive ways to solve a poorly working Duramax fuel pressure relief valve. The three FPRV fixes are installing a FPRV shim kit, replacing your FPRV with a race fuel valve, or replacing your FPRV with another OEM FPRV. 1.I've been able to find videos showing a very loud knocking sound, but as far as symptoms of a broken crank goes, I've found …

Hello All ! Newbie here to Duramax and Forums, Just purchased a 2003 2500 Silverado Duramax..with 180,000 on it about a mth. ago, been running fine until two days ago, oil pressure gradually starting dropping, pulled over after seeing this shut truck off, checked oil, looked fine but dark..black..no diesel smell to oil, did that paper towell test to …

Hello All ! Newbie here to Duramax and Forums, Just purchased a 2003 2500 Silverado Duramax..with 180,000 on it about a mth. ago, been running fine until two days ago, oil pressure gradually starting dropping, pulled over after seeing this shut truck off, checked oil, looked fine but dark..black..no diesel smell to oil, did that paper towell test to …Apr 1, 2021 · 85. 28. Mar 31, 2021. #1. Well I got 27,000 miles out of my longblock from XCalibur Diesel. I found out today the crank is broke.. So that's $6,000 down the tubes plus the $2,000 to have the engines swapped out. Im pretty sick right now. Chevy / GMC Duramax 07.5-10 LMM Forums. 07.5-10 LMM Duramax Powertrain broken crank. 4020 Views 20 ... tracygto Discussion Starter · Jan 21, 2016. Add to quote; Share Only show this user. I have just broke a crank in my 08 LMM and I am wondering if they make a kit so I can put a cummins in it. I just took alot of precautions to …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Pull the pan, theres a good chance that hit marred the main bearings when the crank slammed forward. 2008 2500HD LTZ, EFI Live- Idaho Rob's Tunes, 4" Magnaflow Turbo Back, Raptor 150 Lift Pump, Transgo Jr, All Season Diesel EGR delete with high flow Y-bridge, Edge Insight for gauges,#1. Got the motor out and found the second from the front Main bearing spun pretty good. The bearing was pretty well chawed up. Way undersize at this point. …To the OP. Engine needs to come out, bet your crank is snapped at the common break area. Like. J83. 5030 posts · Joined 2014. #4 · Jul 4, 2015. even if the front bearing failed the crank should not move by that much unless it was broken. unfortunately i suspect a new engine is in your future. 2015 Chevy Silverado 2500 HD 6.6L LML.This eliminated the problem LMM’s had where diesel fuel would wind up in the engine oil, which could lead to major problems. So, by relying on an external fuel source for a DPF re-gen, the LML kept its oil free of any fuel dilution. Speaking of fuel, the LML was the first Duramax to be able to run on a B20 blend of biodiesel.

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One of the Duramax cranks I saw pictures of was running perfectly with the crank broken in two, at an angle in one of the mainbearings. They only noticed it when they tore it down to "hop it up". I also had a friend who had an injector in his '97 Powerstroke leak and he hydrolocked it when he started it.That's crazy that many have broken. I've only seen one and haven't heard about any until now. Sent from AutoGuide.com Free App. GM diesel mechanic Panama City, Florida. 1994 Chevy S10 lowered 7/9 with 215/35R18 (yes a 215/35 haha) 4.3 TBI motor with 700R4 swap, 2000 S10 front conversion, LED lights all the way around, HIDs …Duramax XDP Crankshaft Pin Kit. Write a Review. Your Price: $159.95. Questions about this item? Be the first to ask here. Part Number:xdpXD331. Usually Ships in 24 Hours. Warranty1 Year. Fits: Duramax 2001-2016.They really don't interchange with other years and not much out there in used motors either. 2011 GMC Sierra CCSB 2500HD SLT 6.6L Duramax. PPEI EFI Live tunes, Edge CTS, Flo~Pro exhaust, MBRP Downpipe, Full EGR Delete, FASS 150 GPH pump, Fleece CP3K conversion, Fuel Krank 20's on Nitto M/T Grapplers. Broken Crankshaft …Yeah, it's a 3500 and the customer told us afterwards he put the parts on for his towing and fuel mileage. It's just shit luck like all the other cranks that have broken in the past. This one looks to have broken at the back though, because I can rotate the flywheel about 1" without turning the engineEngines. Dissecting 6.6L Duramax Engines. Whether you’re looking for fun or looking to win, the Duramax platform is certainly one to consider. The Duramax …Feb 2, 2010 · 916 posts · Joined 2006. #6 · Feb 2, 2010. Lbz. My'07 is an LBZ My Customer's '08 is the LMM with a new style 2 piece crankshaft. '92 K3500 Dually 6.5 fuel plus 20% JD TO4 turbo 3'' down & 3.5'' ex 5 speed. 07' Duramax Dually Quadzilla Programmer at 70HPfor now. 87' 6.2 K10 banks hairdryer plus 50% fuel (Dailly driver) M.A.M. 9116 posts · Joined 2014. #3 · Dec 12, 2018. Best thing to do is to plug a good scanner into it and see if you have any codes. Also look at the rail pressure while you’re cranking to see if it builds any pressure. Sent from my iPhone using Tapatalk. 2017 GMC 3500 DRW/CCLB . --2015 GMC 3500 SRW/CCLB-- . W. ….

DING, DING, DING, WE HAVE A WINNER! BIG DIPPER -i think the same way as you do on this. problem is _____ comes to the masses with this idea that injectors caused this crank breakage and because of this, send _____ all your injectors and everthing will be "right" when you get them back, because they have a pc of paper that comes back with them saying everthing is fine, but it wont state that ...23 Aug 2021 ... Www.ecodieselusa.com Scoping the insides of the oil galleys of two engines that both had broke crank shafts. Check out the results.Empire repair kit. Empire Performance EPE-CRKPINKIT Crank Shaft Pin Kit. As you can see it's a 1/4". Crankshaft Balancer Bolt. 1st Step 74 lb ft. 2nd Step 105 degrees. Some people key there's but that's for over 700 hp and you have to pull the motor for this. 07 Chevy Classic 2500HD 4x4 2LT LBZ CC/SB White.Bad news. I picked up a used crank and took it to a local engine builder along with the main caps and the caps wouldn’t pass inspection. The 3 mains in the middle heated up enough to pull the corners at the seam in .02 so it would be tight enough to not hold a bearing or even scrape the oil off and we’d be right back in the same boat.One of the Duramax cranks I saw pictures of was running perfectly with the crank broken in two, at an angle in one of the mainbearings. They only noticed it when they tore it down to "hop it up". I also had a friend who had an injector in his '97 Powerstroke leak and he hydrolocked it when he started it.2. 22mules. 91 posts · Joined 2012. #6 · Jun 15, 2017. If you think it might be a rod bearing, pull the filter cut it open, unroll the filter media and take a look for metal, you can also order an oil sample kit, take the sample send it in and it will also tell the tale, if its a bearing. If it ain't broke don't fix it.in this episode we pull the engine and trans out of a 2012 and disassemble it to replace the broken crank and bearings.Broken crank on an LML duramax. #Chevy #duramax #engine #skills #montana #diesel.D. davester. 3863 posts · Joined 2015. #2 · May 6, 2017. It is HIGHLY unlikely (but not absolutely impossible, like 1 in a million broken cranks) for the crankshaft of a diesel engine to be broken, and for the rear of the crank to be driven by the starter and for the front of the crank to rotate normally. Perhaps you could tell us who "some ... Duramax broken crank, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Mar 29, 2009 · If you have a pin shear off. (you will know it immediately). Do not drive the truck. Shut it off as soon as possible. Have it towed. Continuing to drive the truck wil allow the balancer to slip on the crank and it can play hell on the nose of the crank and the inside of the balancer. , I replaced the crankshaft seal behind the harmonic balancer, replaced the bolt, torqued it to 74ftlbs and then added 90 degrees. Put it all together and fire it up. Within a few seconds the harmonic balancer bolt has backed itself off. It is on a 2015 Sierra 3500hd with the 6.6L if that changes anything., Has your car ever been in a situation where you turn the key, and it cranks but will not start? This can be a frustrating experience, leaving you stranded and wondering what could ..., Dec 19, 2019 · Fluidamper has broken several cranks in DURAMAX's, they're too heavy (11lbs heavier than stock iirc), but the ones built in the last couple of years are supposed to be better. Unfortunately this is far to common on LML's than it should be. Seems 11-13 had a pretty high rate of failure at 150k+ miles. It's a crap shoot when the break occurs and ... , LML no crank, no codes, ran fine yesterday. 2011 LML, 65k miles. Drove it to work and back yesterday with no problems. Parked overnight, plugged in, overnight low was only 30 degrees so not too cold. Tried to start it this morning, turn the key and nothing. Batteries are fine, I put a multimeter on while turning the key and they never budged ..., Bought a lbz zf6 170k miles. Runs and drives very well untill you start getting on it. When get on it it will throw a code for p0606 and goes into limp mode. Drove it couple other times the. Finally threw a p0336 code to go start looking at crank sensor issue. I’ve ohmed harness from crank sensor to computer and no open loops. A little back ..., Outside of being a doctor, nurse, EMT, or holding any sort of position in the medical field right now, TEACHERS have it the hardest during a pandemic. I mean for... Edit Your Post ..., Leaking transmission lines. Fueling / low fuel pressure. Piston / crankshaft failure. Allison 1000 power limitation. The LMM is an extremely capable engine. Two of these common problems are really cheats by me because there aren’t a lot of common problems on these engines and drivetrains., This thread: Broken Crankshaft Count? - Duramax Diesels Forum and this: Broken Crankshaft Alt Fire Cam - Duramax Diesels Forum "BBT" -- 2003 GMC 2500HD CC/SB 4x4 - 12.14 @ 111.15 Marlene (Molly) Bacon -- 1936 - 2019 -- RIP Mom You're missed both at home and on the piano. Save Share., 136k Miles, and yes cranks like normal. Chevy Mechanic: Vince S. If you were to pinch off the hose from the filter assembly to the injector pump will it hold pressure. If it holds i woukd then loosen the steel line from the pump to the fuel rail and see does any metal come out of it., Jul 6, 2010 · 1633 posts · Joined 2009. #1 · Jul 6, 2010. I broke the Crankshaft on my LBZ. Just wondering peoples opions on what to put in it when rebuild it. And i do know about Socal so dont suggest that lol. $10,000 or under budget. 2006 LBZ. ATS Stage 2 W/ Co-Pilot. EFI Live. 5" diamond eye. Keys. Tierod Sleeves. CenterLink. , Apr 19, 2023 ... Completely overlooked this issue and now I feel like an idiot...but I wont make that mistake again! If you've tried everything and the truck ..., Chevy / GMC Duramax 07.5-10 LMM Forums. 07.5-10 LMM Duramax Powertrain Crank, No Start P0335. Jump to Latest ... I don't think the crank is broken, but I haven't removed the front cover or dropped the pan. Anything is possible. 2008 GMC Sierra 2500HD Crew Cab SLT STOCK! Save Share. Like. 0 Reply. D. Dirkrc51 …, :help Friend has 09 GMC LMM Allison stealership says crank is broken. $10,000 to fix. 175,000 miles. He says coming down big hill with turbo-brake on. Stepped on the brakes and trans shifted to low pegging the tach. Any ideas on a cheaper fix. Motor still runs but hammers to beat the band., M.A.M. 9116 posts · Joined 2014. #3 · Dec 12, 2018. Best thing to do is to plug a good scanner into it and see if you have any codes. Also look at the rail pressure while you’re cranking to see if it builds any pressure. Sent from my iPhone using Tapatalk. 2017 GMC 3500 DRW/CCLB . --2015 GMC 3500 SRW/CCLB-- . W., TikTok likes and views are broken for some unknown portion of the video app’s user base this afternoon. The impacted users are seeing a “zero” like count on TikTok posts, including..., 7 Nov 2014 ... Comments20 ; LBZ LMM And LML Duramax Are Always Breaking Crankshafts!!! GM_Central · 2K views ; Duramax Sheared Cam Pin! ENGINE FAILURE!, We list the places that buy phones -- both nearby and by mail. Find out where to sell your iPhone, Samsung, or another cell phone, even if it's broken. Disclosure: FQF is reader-su..., 2006 Chevy Duramax LBZ CCSB, LT3, MBRP 4 inch exhaust, AFE intake Stage 2, suncoast V, Edge juice w/***, gauges, EGR blocked, 6-inch lift, H2's w/ BFg AT 35's for the winter ... After a broken crank, you can do a replacement in the same block, but you will have to have the main journals line-honed or possibly line-bored to be sure …, Dec 21, 2011 · Empire repair kit. Empire Performance EPE-CRKPINKIT Crank Shaft Pin Kit. As you can see it's a 1/4". Crankshaft Balancer Bolt. 1st Step 74 lb ft. 2nd Step 105 degrees. Some people key there's but that's for over 700 hp and you have to pull the motor for this. 07 Chevy Classic 2500HD 4x4 2LT LBZ CC/SB White. , I got a 2011 duramax that I make a living with an now I've got a broken crank . From reading some apparently they are having crank problems.anybody give me some insight ., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Oct 16, 2014 ... 646K views · 1:25. Go to channel · Duramax Broken crankshaft start-up. Broken crank sound. Grant Crowell•157K views · 4:58. Go to channel ..., This eliminated the problem LMM’s had where diesel fuel would wind up in the engine oil, which could lead to major problems. So, by relying on an external fuel source for a DPF re-gen, the LML kept its oil free of any fuel dilution. Speaking of fuel, the LML was the first Duramax to be able to run on a B20 blend of biodiesel., Feb 6, 2015 · The duramax engine has a long history of breaking cranks at that location. This is so much of a common issue that people have created cam shafts with altered firing orders to try to remove the stress from that point on the crank. Plenty of stock trucks have broken cranks like this. , Feb 6, 2015 · The duramax engine has a long history of breaking cranks at that location. This is so much of a common issue that people have created cam shafts with altered firing orders to try to remove the stress from that point on the crank. Plenty of stock trucks have broken cranks like this. , The oil pan would have to be dropped to confirm the broken crank. If you are getting codes for injectors I would start inspecting that issue and also look at the injector harness also. 1996 K3500 6.5L, ( "F" Eng #141 cast block) NV4500, crewcab, dually,Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover, AirDog II DF165 w/ tank sock ..., He had it together for about 2yrs and broke the crankshaft. I had an LB7 engine that I took the crank out of, tore down his engine to a short block, and it went to the machine shop to get checked out and the crank swapped. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 207.4K members Since 2005 A forum community dedicated to …, A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, …, The oil pan would have to be dropped to confirm the broken crank. If you are getting codes for injectors I would start inspecting that issue and also look at the injector harness also. 1996 K3500 6.5L, ( "F" Eng #141 cast block) NV4500, crewcab, dually,Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover, AirDog II DF165 …, Apr 1, 2021 · 85. 28. Mar 31, 2021. #1. Well I got 27,000 miles out of my longblock from XCalibur Diesel. I found out today the crank is broke.. So that's $6,000 down the tubes plus the $2,000 to have the engines swapped out. Im pretty sick right now. , Sep 30, 2021 · 5247 posts · Joined 2009. #9 · Oct 1, 2021. Put a pry bar in behind the balancer and see if it wiggle or moves around. I just got done with an engine for a guy that he broke the crank on- would start and idle fine, had throttle until about 2200rpm and then would start cutting out and running erratic.