Duramax broken crank - X2. Icepick all the injector connectors, reinsulate the the FICM harness at the alternator bracket and do the DIY injector cleaning. After that, start by replacing the injector that is the worst, then check balance rates again. Ideally you would first run a compression test on any cylinders with high positive balance rates.

 
Fits 2001-2016 Chevy / GMC 6.6L Duramax. Part# D333M81-CS. 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.. Bounce house salinas ca

well i know of three Lbz's with broken cranks now, all breaking in the same vicinity. Wonder what is causing this??? lol:eek: Anybody else heard of any???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.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.About 2 weeks ago on the way to work the truck started bucking violently and died. Pulled codes and got p0366 crank sensor. Took it to a mechanic I know and he replaced crank sensor. It still throws the code after clearing it when cranking. We are getting power and signal from both the crank and cam sensor. The reluctor wheel is tight.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.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 ...36. SLC, Utah. Nov 8, 2015. #17. Broke mine in with delo 400 15w40 and still continue to use delo 400. Drove normally for 200 miles, then changed it. Started driving semi aggresive for another 150 miles, changed it again then started using the truck for its intended purposes. 82 psi boost with zero blow by.28 May 2016 ... Keyseating a duramax diesel crankshaft for a local engine shop using my Bridgeport milling machine.Pour the CLR into the bucket and add the steel lines. let them sit like 30 to 45 minutes. The rust is gone and lines look new. Take a dremel with a small cup wire brush and clean the flares and inside the nuts (Threads) with it, swish around in the CLR again and then wash them good with Water.Most of the broke cranks that my buddies at different GM dealers in different parts of the country see are in stock trucks between 160 000 and 260 000 km. ... Looks like GM may of finally fixed the broken crank issue with the new L5P Duramax guys!!! Wonder if we will be able to use this crankshaft in builds with the excitor ring moved to the ...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 …Broke the crank while towing. Here’s what it sounds like. Motor entirely rebuilt by DFC Diesel less than 60,000 miles ago.May 10, 2012 · X2. Icepick all the injector connectors, reinsulate the the FICM harness at the alternator bracket and do the DIY injector cleaning. After that, start by replacing the injector that is the worst, then check balance rates again. Ideally you would first run a compression test on any cylinders with high positive balance rates. #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? …Broken Crank? Thread starter awsmv6; Start date Feb 2, 2020; Forums. Duramax 6.6 Technical. Duramax Hard Parts. LMM . A. awsmv6 New member. May 18, 2014 ... 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 …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 ...LML broken crank bolt while idling. Hey everyone first time post forgive me if I've posted in the wrong area, working on my 2011 LML just did a water pump replacement all went well, torqued crank bolt to 275 ft lb using a brand new crank bolt from gm idled truck for 20 mins to check for leaks all was well.41. Monroe, LA. May 13, 2010. #3. This is where mine broke. Build consisted of tts rods, 20 over injectors, 20 over delipped pistons, headstuds, mainstuds, dual cp3, and 66mm turbo. stock balancer I had been pulling a trailer earlier in the day but was only going around 35 when it finally broke.2007 duramax has been driving me crazy I clear the codes and they come back immediately sometimes and sometimes not always crankshaft or camshaft codes took the belt off and tried turning the engine from from the crankshaft bolt when i turn it back and forth i get movement from side to side about 1/8 inch does that sound like a …41. Monroe, LA. May 13, 2010. #3. This is where mine broke. Build consisted of tts rods, 20 over injectors, 20 over delipped pistons, headstuds, mainstuds, dual cp3, and 66mm turbo. stock balancer I had been pulling a trailer earlier in the day but was only going around 35 when it finally broke.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 ...2007 duramax has been driving me crazy I clear the codes and they come back immediately sometimes and sometimes not always crankshaft or camshaft codes took the belt off and tried turning the engine from from the crankshaft bolt when i turn it back and forth i get movement from side to side about 1/8 inch does that sound like a …Mar 2, 2014. 44. 0. 6. Mar 4, 2020. #24. When mine broke the crank with 50k on the built motor we decided to try this exactly. So we pulled it out rolled it over and dropped a new lbz crank in. It never spun any bearings but we put new rods and mains in and it’s still running today with another 50 thousand miles since then. LB7 Duramax 2004. Broke the crank while towing. Here’s what it sounds like. Motor entirely rebuilt by DFC Diesel less than 60,000 miles ago. LB7 Duramax 2004. Broke the crank while towing. Aug 26, 2014 · 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 low and high beam ... Perhaps the most devastating of all Duramax failures is a broken factory crankshaft. Not only does this mean game-over for the engine, but it results in a truck that’s down for weeks (if not months) and a huge chunk of change missing from your wallet. The failure is most common in higher horsepower … See moreBottom line on Duramax Diesel long crank issue. GM’s 3.0-liter I-6 turbo-diesel is the most fuel-efficient engine for the Silverado 1500. It has an EPA rating of 23 MPG in the city and 33 MPG on the highway in 2WD and 22 MPG in the city and 26 MPG on the highway in 4WD. It produces 277 horsepower and 460 pound-feet of torque.Pour the CLR into the bucket and add the steel lines. let them sit like 30 to 45 minutes. The rust is gone and lines look new. Take a dremel with a small cup wire brush and clean the flares and inside the nuts (Threads) with it, swish around in the CLR again and then wash them good with Water.Mar 22, 2020. #3. Pull the glow plug, unplug the FICM and have someone crank it while you watch to see if fuel spits out the glow plug hole. You can also swap injectors to the cyl next to it and see if the balance rate follows. If you see fuel or …its the operator fault. he is over stressing the engine. when the crank breaks on the 5-6 rod, its always a misuse of the engine. The operator over stress the engine. if its the 1-2 rod, the operator uses way too much the engine brake, or its …Mar 6, 2019 · Ever wonder what a broken crankshaft sounds and looks like? Check this one out! This is a LMM Duramax with around 150k miles. The damage was caused by the vibration dampener dowel pin wearing and allowing the dampener to move. 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 ...Broken cranks are something that happens on Duramaxs occasionally. It pretty much has to with the factory firing order putting the right harmonics on the crank. Thus the alternate firing order cam shafts …LBZ Duramax 6 Speed Allison, CM Flatbed, EFILive/PPEI, AFE CAI, 150,000 9/2013- Sold 8/2014 ... CCLB SLT 3500 SRW ONE BAD BITCH> currently with a broken crank:crying: Save Share. Like. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.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 low and high beam ...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 …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.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 …Running L5P off LBZ ECM has been done by Banks and a couple others I know of. Issue is just the cam and crank reluctor tooth counts not matching up. Banks moves the crank ring to front for that reason. Cam ring, she just needs to locate TDC one rev and done. The way I was exploring is just recode the ECM bin file with correct tooth …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.broken crank on LMM. I broke a crank on my 08 LMM and i am getting ready to put another motor in. I was running stock LMM bottom end with a socal AF cam 60 over injectors a 10mm exergy CP3 a 72mm danville turbo ppe up pipes and exhaust manifolds 3"down pipe to 4" straight pipe exhaust. built trans with BD tripple disc converter a airdog 165 ...After tear down, noticed stress cracks around the bowls of the pistons (no surprise there). Customer opted to tear down further for an engine rebuild with some upgraded parts to eliminate weak points. One of those upgrades being a Callies Durastar crankshaft. Fast forward 2 months and 30,000 miles, we now have an engine that has …its the operator fault. he is over stressing the engine. when the crank breaks on the 5-6 rod, its always a misuse of the engine. The operator over stress the engine. if its the 1-2 rod, the operator uses way too much the engine brake, or its running the motor at high rpm without load.Here is our guide to the 7 most common 6.6L LB7 Duramax problems and how to fix them. 1. LB7 Duramax Injectors. The most notorious LB7 Duramax problem is their original injectors. Even GM acknowledged their problems when they corrected the original injector design and issued a 200,000 or 7-year warranty on the updated model.Hey I really appreciate all you guys help, let me try and answer some of these question, In the begin of this mess I put some work in the top end, taking great pains not to over power the bottom end, all thought I'm new to the diesel work I'm not new to hot rodding and the cause and effect rule, I had a 2 hour meeting with the shop that done the top end work explaining all my thoughts and ...LBZ Duramax 6 Speed Allison, CM Flatbed, EFILive/PPEI, AFE CAI, 150,000 9/2013- Sold 8/2014 ... CCLB SLT 3500 SRW ONE BAD BITCH> currently with a broken crank:crying: Save Share. Like. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.its the operator fault. he is over stressing the engine. when the crank breaks on the 5-6 rod, its always a misuse of the engine. The operator over stress the engine. if its the 1-2 rod, the operator uses way too much the engine brake, or its …Duramax 6.6 Technical. Duramax Hard Parts. Ok guys, I tore my engine down this morning, I took pics but haven't had time to load them, My crank is broken at …Remove factory crankshaft bolt, using a 12point 36mm socket. Place the drilling guide onto the crankshaft. After that, clock the fixture 180 degrees from the existing factory key. Install the supplied bolt hand-tight with a ratchet or wrench. Do not overtighten! In a 90-degree drill, carefully drill the 1 3/4” hole.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)EMRs turn medical practice into a one-size-fits-all endeavor just when science and technology are giving us more ability than ever to treat our patients as individuals. Are electro...Broke the crank while towing. Here’s what it sounds like. Motor entirely rebuilt by DFC Diesel less than 60,000 miles ago.Balance cyl 2: -1.6mm. Balance cyl 3: 1.4 mm. Balance cyl 4: -0.1 mm. Balance cyl 5: -0.3 mm. Balance cyl 6: 2.5 mm. Balance cyl 7: -3.7 mm. Balance cyl 8: -0.5 mm. By the way the truck is out of the 7yr/200k thing so I'll probably try to do these myself with the help of my friend who is a diesel tech. Should I get them from pensacola diesel ...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 …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 …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.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.Broken Duramax Crankshaft Engine carnage #reels #carrepair #car #viral. Davesautocenter · Original audioI 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.64 posts · Joined 2012. #1 · Nov 1, 2019. Heading down the highway and heard an engine rattle noise like a sputter dying sound. Pulled over, engine died and will not start. No trouble lights or codes come up on the scanner. Pumped up the fuel filter multi times and tried to start but no luck. 2014 dually, deleted 2 years ago without a problem ...Ever wonder what a broken crankshaft sounds and looks like? Check this one out! This is a LMM Duramax with around 150k miles. The damage was caused by the vibration dampener dowel pin wearing and allowing the dampener to move.Fits 2001-2016 Chevy / GMC 6.6L Duramax. Part# D333M81-CS. 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.Donor Motor Info: 2011 Duramax LML, 212,000 Miles, Snapped CrankSo you want to rebuild your Duramax LML, huh? Well so do I, and I was able to find a donor motor local for an extremely good deal! Sure, it has a broken crankshaft, but that's fine. We will be putting a new upgraded one in it! 900hp...? I like the sound of that and that's …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.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. Working on an 09 truck with broken crank. Got a good used crank and sent it along with the block to the machine shop to be cleaned, flux'd and check for straightness of the crank and align bore of the block. The truck is stock other than having stuff deleted and a small tow tune. Have a...LB7 Duramax 2004. Broke the crank while towing. Here’s what it sounds like. Motor entirely rebuilt by DFC Diesel less than 60,000 miles ago. LB7 Duramax 2004. Broke the crank while towing.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)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 …64 posts · Joined 2012. #1 · Nov 1, 2019. Heading down the highway and heard an engine rattle noise like a sputter dying sound. Pulled over, engine died and will not start. No trouble lights or codes come up on the scanner. Pumped up the fuel filter multi times and tried to start but no luck. 2014 dually, deleted 2 years ago without a problem ...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.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.Hey I really appreciate all you guys help, let me try and answer some of these question, In the begin of this mess I put some work in the top end, taking great pains not to over power the bottom end, all thought I'm new to the diesel work I'm not new to hot rodding and the cause and effect rule, I had a 2 hour meeting with the shop that done the top end work explaining all my thoughts and ...For more information please visitOur Website:http://diesel911.com/And Our Facebook Page:https://www.facebook.com/dieseldoctortn/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. 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...This is a 6.6L Duramax it cranks but wont start it has 120000 miles on it. Went into the store came out but no start. ... If a terminal lock (5) is damaged or broken, the terminal (1, 4) will be pushed partially out of the connector body (2, 3) during assembly and will make poor or no contact with its mating terminal. Various and intermittent ...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...Aug 23, 2009 · Aug 23, 2009. #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. The main cap and block journal seem ok (going to check out of round on the crank and main). This was noticed at first at very low RPMs (about 1200) when I first started to ... Reviews. Description. Part# D333M81-CS. Callies Compstar crankshafts are a very popular upgrade amongst engine builds here at DHD. The Compstar Duramax crank is designed to be substantially stronger than the OE versions. This increase in strength centers around unique machining features, stronger steel material and a deeper nitride …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. LB7 Duramax 2004. Broke the crank while towing. Here’s what it sounds like. Motor entirely rebuilt by DFC Diesel less than 60,000 miles ago. LB7 Duramax 2004. Broke the crank while towing.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.Description. GM OEM Duramax Crankshaft For 2006-2010 Duramax. Original GM Part. Genuine GM part is guaranteed by GM's factory warranty. **Balancing may be required**. OLD Part# 97374386.After two years without the Mistress I have started building a new power plant for her. Starting with a new LML block beefed up with SoCal billet caps and a girdle from the Dmax Store. The main journals of the new block will hold a Calies DuraStar crankshaft and Carrillo rods. The valves will be actuated by a Competition Cams stg2 LST bump stick.Oct 7, 2012 ... keyed crankshaft for Duramax- Dirtys House of Diesel. 16K views · 11 ... Duramax with broken crank | Brunt Boots Review. BoughtToBuild•780 ...

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duramax broken crank

What happened is he drove it through a huge ass puddle and hydrolocked the engine. To everyone else who responded in this thread: cleaning the battery cables isnt going to fix this because its not the problem to begin with. The batteries are fine. I guarantee it. Pull the glow plugs and try to crank the engine.Like the vast majority of computers, Apples are cooled by fans. MacBooks, MacBook Pros and Apple desktops all rely on fans to ensure that the computer doesn't overheat and burn out...LML broken crank bolt while idling. Hey everyone first time post forgive me if I've posted in the wrong area, working on my 2011 LML just did a water pump replacement all went well, torqued crank bolt to 275 ft lb using a brand new crank bolt from gm idled truck for 20 mins to check for leaks all was well.In this episode of XDP Tech Tips, we talk with our tech expert Mike to find out everything we need to know on what the XDP Duramax Crankshaft Pin Kit does, h...An engine misfires under acceleration due to faults in the spark plugs, plug wires or coils, or a weak fuel pump. Broken rods, pistons or crank bearings, cooling difficulties, and ...Our 2011 Duramax 1 ton crankshaft just snapped. No load, stock, not chipped. 100,000 miles. Just purchased from an authorized Dealer 3 months ago. ... Purchased from an authorized GM dealer. It is definitely a broken crank. We put less then 2000 miles on it in the three months we owned it. All easy miles. Never got on it or …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 …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 …My 2009 Duramax I’m told by the mechanic has a broken crankshaft it’s running just,the fault codes are saying it’s injectors is it possible to run with a broken …M.A.M. 9116 posts · Joined 2014. #9 · Apr 16, 2020. Sounds like a spun bearing to me, probably connecting rod. When it goes into reduced engine, the ECM turns off the injector on the cylinder that is knocking, and it goes away. Guessing you can figure out which cylinder it is by turning off injectors with a scan tool.LB7 Duramax 2004. Broke the crank while towing. Here’s what it sounds like. Motor entirely rebuilt by DFC Diesel less than 60,000 miles ago. LB7 Duramax 2004. Broke the crank while towing.From super-low mortgage rates to sky-high home prices, 2021 has seen a number of real estate records fall. By clicking "TRY IT", I agree to receive newsletters and promotions from ...Trying to find telephone number is much simpler than it was two decades ago. Back then, we had to look up telephone number in a phone book or use directory assistance. There was al...Broken cranks are something that happens on Duramaxs occasionally. It pretty much has to with the factory firing order putting the right harmonics on the crank. Thus the alternate firing order cam shafts …XDP designed this crank shaft pin kit to fix the all too common shearing of factory dowel pins, resulting in broken crank shafts in your Duramax. Check out the deal on XDP XD331 Duramax Crankshaft Pin Kit 01-16 GM 6.6L Duramax at Diesel Power Products. 888.99.DIESEL. Click Here To Check Out Newly Released Products! Promotions My ….

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