Broken crankshaft duramax 5 LB7 Forums. 2 the the 1/8th mile on one cp3 after it threw the belt, the crank was obviously already broke, i put the belt back on and made another low 7 second pass, and it threw the belt again, then decided something was definatly wrong, so we ran it without the belt, and thats when we noticed the balancer. 2007 Silverado Classic 2500HD LBZ, EC,SB, Allison 1000 6 speed, 285 on 17x9 Boulder wheels, PCV Rerouted and oil separator installed, BD LH Exhaust Manifold, Diamond Eye Turbo Downpipe, Banks 4" Monster Exhaust, Banks 3" Intercooler Tube, 50Gal Inbed Auxilary Tank I need help with the crankshaft specification to Dumarax L5P version. Hasn’t been ran hard since I’ve owned it for 3 years now. Not sure if it makes a difference which crank you have, I did go with a used LLY Watch as we take on the challenge of a frame off restoration of a 6. By narrowing the width of the rod journals, the cross section in the ever critical crank pin overlap area is increased by an amazing 7%. I cannot speak on metallurgy as they've all broken and I personally don't know if the material itself changed etc. The broken crank started as lost power when accelerating. Another Duramax crankshaft broke! Surprise surprise. 255,000 miles and the crankshaft on this LMM broke in half. I sure wasn’t aware of any similar issues until just now when I read it in this forum. Things done to engine: PCV reroute, egr delete with high flow intake, s&b turbo inlet with factory air box, 3 inch down pipe, ppe up pipes, 5 inch flow pro exhaust I have a buddy just bought a 09 and on the way to Tenn. Motor has 191,000 on it. about 1 quart per 6K miles. Motor entirely rebuilt by DFC Diesel less than 60,000 miles ago. Complete Engines & Kits for Duramax 01-2010 All our full motor builds come with free Autocal Broken crank on LML. They all break until you get to the L5P. It escalated to a bad misfire. Truck runs and drives but has p02CD cylinder 1 injector exceeded limits and p02D3 cylinder 4 injector exceeded limits. No load, stock, not chipped. 1 2 3. In other words, if it ain't broke, don't fix it. 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 I am in the process of putting a new engine together now with the Callies Durastar Crankshaft. I have egr deleteand all and 833 Likes, 31 Comments. So I sold my 7. Anywho fast forward a bit and it hits 704,500 and breaks the crank at the back. I'm with James on the crank contact Duramaxdiesels. 2L Diesel Engine Suspension & Steering - 2001 - 2010. 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 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. 2003 Chevy Suburban 2500 LB7 Duramax AWD Quadrasteer 135k miles. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can Broken crank lmm. 1 4 of 5 Go to page. Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6. 8 Diesel I just had a broken crank come in on a lmm 2 weeks or so ago. Duramax 6. About 6 months ago I pulled her from the woods and has been going strong About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 2007 GMC Sierra 3500 Classic Dually LBZ Duramax Stock 3. 2005 cc/sb lly 4inch turbo back 6in silverline tip lbz mouth peice mod egr blocked efi h2 wheels Chevy and GMC Duramax Diesel Forum. Continued operation in these conditions will likely result in serious engine damage such as a broken crankshaft. 01-04. I would be willing to bet that most every broken crank that was internally balanced wa well in excess of 1000 hp and broke farther to the rear. :D Deleted needs a tune to run correctly but not necessarily using a canned tune from edge, banks, etc. The problem was the block casting and bearings being out This is the strongest Duramax crankshaft available today. These cranks come direct from Callies with no crank gear installed. What size drill do I use to drill out broken pin in crank . Duramax Broken Crankshaft. 6 Duramax broken crank pins quick and easy removal Unlike the LB7 stock crank, Callies modified the Compstar counterweights to be able to clear and fit in all years with stock rods and pistons. Jump to Latest 2. 6 Duramax's. 6 Technical. 06-07 LBZ & LLY Duramax Powertrain Lbz Crankshaft concerns If you use a good tuner and don't really pour the power to it, you shouldn't have to worry the slightest about a broken crank . Can't seem to quit . Sep 29, 2016 #1,076 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 HELP broken pin in crank!!!!! Thread starter JustinD; Start date Mar 29, 2009; Forums. 877-4MY-DMAX (877-469-3629) Callies DuraStar Duramax Crankshaft, 2001-2016 LB7/LLY/LBZ/LMM/LML. 418 posts · Joined 2010 Add to quote; Only show this user #1 · Jan 30, 2016. Allison 6 speed (Looking for a zf s6 650 tranny). Any advice? Chevy and GMC Duramax Diesel Forum. 100,000 miles. Jump to Latest 21 - 40 of 48 Posts. original sound - Davesautocenter. If you need a crank gear installed, select that service from the menu above. The hammer blows were that valvehead peening the injector tip. 06-07 LBZ & LLY Duramax Powertrain. Please pick the one that you had break Duramaxdiesels. In both stock and performance applications, these dowel pins are easily sheared causing the balancer LMM issues I have an opportunity, if I want, to buy a 2007. The only reason I stated the companies I did was to provide support to the FACT that we supply many dampers to all facets of the diesel marketplace, including DURAMAX without issue. 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. 🙈 So that's $6,000 down the tubes plus the $2,000 to have the engines swapped out. Broke Crankshaft on LBZ. How many guy's on here have broken crankshafts in there duramax? The reason I ask is because I thought I bent one of the pins on the crank and when 07' Duramax Dually Quadzilla Programmer at 70HPfor now. The years also add up to the UAW strike in that time period so who knows was actually done correctly. 299 posts · Joined 2004 Add to quote; Only show this user #1 · Nov 7, 2007. 4065 posts · Joined 2006 Add to quote; Only show this user Duramax Diesels Forum Part number 94048159 ENGINE ASM-6. Never saw one break Search. 5-10 LMM Duramax Powertrain Crank, No Start P0335. 215/85/16 tires. This Ryan's Diesel Service 9 blade turbo will decimate all! Check this video out on YouTube! Broken Crankshaft at Broken Crankshaft Count? Thread starter EDP; Start date May 13, 2010; Forums. 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 2001-04 LB7 Duramax Stg. Fully built LLY, a couple dozen hooks on it, about 40-50,000mi on it daily driving (plenty of hammering on it), light towing/nothing over 8,000lbs. The motor has ~30K miles on it. Holden Colorado 2. Question: Tags crankshaft issue. How many guy's on here have broken crankshafts in there duramax? The reason I ask is because I thought I bent one of the pins on the crank and when we took the front cover 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 in this episode we pull the engine and trans out of a 2012 and disassemble it to replace the broken crank and bearings. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. The rolled It even ran a 7. 5 LB7 Duramax Powertrain Bad crank bearings help!!!! Jump to Latest Damn sounds like a broken crank, look up the thread on here about them, it's rare but does happen . I had 1 truck that had a module & programmer Broken cranks seem to be a very rare problem for Duramax's. I've read of quite a few of the older models LB7 Duramax 2004. and it still happened. 5 in exhuast with cats, no muffler. com/Thanks for tuning in we hope you guys and gals enjoy the video, be sure to follow us on social media platforms!Supp The valvehead had broken off and riveted itself into the piston crown. All of my bearings on my duramax were perfect, except for main#2. 2003 GMC Sierra 2500HD LB7 Duramax 4WD Crew Cab SB 310k miles. Jump to Latest A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Discussion starter · #41 They will still run with a broken crank. Purchased from an authorized GM dealer. Save Share Reply Quote Like. Is this a wide spread PROB? REASON I"M ASKING IS ,I HAVE ONE AND GETTING A LITTLE WORRRIED. I don't believe the crankshaft is broken. Shop wants 26k for new engine? Don’t think it’s worth it but I still owe on it. Chevy / GMC Duramax 04. Eliminate the risks of engine damage and pin your crankshaft so the balancer stays in place with the XDP Duramax Crankshaft I've got 3 LB7/LLY broken cranks here. BW turnover Ball. Thanks . Sucks but goes with the territory. 4 main and rod journals. 8,260 lbs empty. A dyno operator backlashed the crank at a dyno/sledpull event, by letting off at high rpm and nailing the dyno and truck brakes at DING, DING, DING, WE HAVE A WINNER! BIG DIPPER -i think the same way as you do on this. He said first designs were having a "tapping" noise many customers were complaining about so they went to redesign it to get rid of the noise and were starting to break underload, idling Here is yet another broken crankshaft out an LBZ duramax, I'm not sure where the bad batch came from but I've been seeing more and more lately. Come join the discussion about modifications, towing, classifieds First broken crank I found it spun the mains and the block was questionable. 3K views 4 replies 2 participants last post by Geoff Aug 29, 2021. I had 1 truck that had a module & programmer in it & got beat Broken Crankshaft or crankshaft gear, broken camshaft or gear, other major internal damage. Jump to Latest 12K *Removed the Serpentine belt to inspect the balancer on the end of the crank. you have a broken crank my friend and that will cause all of these problems unfortunately Denali Dually: Duramax Tuner/ Banks- iDash, boost tubes, cold air intake, monster DIESEL WORLD: What’s the reasoning behind the alternate firing order camshaft for the 6. SoCal Diesel leads the field once again with this pioneering Duramax rod journal geometry. It took a good portion of Duramax Broken Crankshaft. My first engine rebuild was a Vauxhall Chevette with a broken crank. Come join the discussion about That to me is an outward break. 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 broken crankshaft to you just Enhance your Duramax engine's reliability with the CPP XD331 Crankshaft Dowel Pin Kit. 6L Duramax? CHAD REMAKEL: The main reason for modifying the Duramax firing order with the camshaft is to relieve stress on the Broken Duramax Crankshaft Engine carnage #engine #mechanic #carrepair #mechanic #automotive #mechanical #cars #engineering #car #mechaniclife #mechanicalengineering #tools #autorepair #auto. Name: Matt ASE Certified, former GM Parts guy Upon teardown, we found the crank broken at the 7/8 rod throw. The best most of us can do is hooe we never have a problem (and 99. Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 2020+ LM2 Duramax Powertrain So they are putting a new crankshaft in which screwed up the threads in the crank. 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. Never got on it or anything. We strive to keep this the #1 forum for tech and Go to Duramax r/Duramax. LB7 Duramax 2004. Way undersize at this point. broke down . The crankshaft decided to let go 5 hrs from home while on vacation and trave Maybe someone could give me an idea understanding what causes a crank to break in a 3406e while cruising down the highway at 65mph. Attempts to do so could cause in internal and external cracks which would result in another crankshaft failure. A broken crank is just about the most catastrophic breakdown an engine can have, and the Duramax engine is very complex. Aside from certain generation Duramaxes having weak OEM rods and pistons, Strube points out that the LML versions have had some crankshaft issues. Hopefully will pull it and see what exactly went when I Broken cranks seem to be a very rare problem for Duramax's. The engine is completely stock. Dave explains why LML Duramax with broken crankshaft. G. This video explains alot. long story short the crank is broken in it. Save Share Is there also a crank position sensor on these trucks? I see mixed answers on the forums, but looks like crank and cam position sensors are referring to same sensor. Never made a test hit or run on my new setup . “We’ve had a rash of the later model engines, such as the LMLs, Broken crank shaft 2011 Duramax anybody help Broken crank shaft 2011 Duramax anybody help . 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 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 The second thing we often see contributing to broken crankshafts of the duramax diesel engines are the oscillation of the harmonic damper at the end of the crank. Lbs. Dave explains why#autoshop #autorepair #enginebuild #enginebuilding”. People would need to have some fairly sophisticated equipment on a running engine to track how harmonics from 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 nothing. 99999% wont), its Lml duramax broken crankshaft sound #Chevrolet #duramax #reelsvideo #lmlduramax #lml. So when looking at a stock crank for a build IMO the LB7/LLY crank has proven itself to be a better crank system (if you want to look at it that way) than the LBZ/LMM. So, you have a broken crankshaft and it needs replacing. Previously I broke an LBZ , now an LLY. I found out today the crank is broke. The kit includes a jig and drill bit for easy installation without an engine tear-down. When I sold the Duramax Chevy / GMC Duramax 01-04. . There is not a lot of info that supports the LMM, but there is a ton of info for the LBZ, but nothing seems applicable for 2007. 7K views 6 replies Can you replace a lmm broken crank without removing heads? Save Share I purchased a 2020 Sierra 2500 Duramax a couple of years ago. I hate to say it, but the 6. So found a “good used” 150,000 mile motor to swap. Check to see if you feel play in it. DMAXfirefighter · Former GM Tech and parts. 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. Is this a broken crankshaft? Tags bad knock lbz broken crank. 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. Shop DmaxStore for your Duramax needs. Sent from my Finally broke my crank this weekend. At idle the whole truck shook and the engine barely ran. Come join the discussion about modifications, towing I was curious of the number of people that have broken their crankshaft were running electric fans and the number of people that were running the stock fan assembly, just curious so humor meThanks :) I would put in a counter but don't know how. Not sure if cross platforming started happening. Protect . 8M posts 218. Has anyone ever broken a crank with a Fluidampr, probably. com was founded in 2006 and created a site which houses some of the best P0016 Crankshaft position, camshaft correlation Basically, the crank and cam sensor arent in tune. We put less then 2000 miles on it in the three months we owned it. Broken crank on LML. 00 at dealer( I have a great tech that I trust) total cost with new injection pump,egr(leaking water) bunch of miscellaneous stuff,17,000. LMM broken crank:( 😓 I fear for my Allison Transmission. Well, as the title states I have a 2011 LML with a broken crankshaft. We also offer all the do it yourself parts in a package if you want to do your own assembly and have your own machine shop do your block work. 3 Powerstroke and my LLY & am looking at an LML. We strive to keep this the #1 forum for tech and information while continuing the push for Crankshaft Duramax. Geoff Discussion starter. NO change DIESEL WORLD: What’s the reasoning behind the Alternate Firing Camshaft order for the 6. they said crank was broke. 5-10 LMM Duramax Powertrain. Broken Duramax Crankshaft Engine carnage #reels #carrepair. Im pretty sick right now Duramax Broken Crankshaft. 5-2010 6. 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. TheBac Why do I keep doing this? Staff member. 6L Duramax engines, this kit eliminates the risk of sheared dowel pins that can cause balancer spinning and engine damage. Search titles only Duramaxdiesels. 6L Duramax Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6. Quadrasteer 4-wheel steering. I have a priced a new crank at $1750. '09 GMC Sierra 2500HD SLE 4X4 Duramax LMM Steel Gray Metallic/ Titanium Cloth Extended Cab, 6'6" Bed, Front Bench, Z 71, SLE Preferred, Dual Alternators, HD Trailering, High Idle Switch, The crankshaft broke in my '01 - LB7 shortly after the PDI was done with less than 60 miles on it. 3 posts · Joined 2021 Add to quote; Only show this user #1 · Aug 29, 2021. Jump to Latest It was for a crankshaft replacement, which seems like a pretty major repair for a completely stock-looking truck. Well, until you look at the diameter and overlap of the 6. Small pins that are used to align the oil pump, timing gear, and Just wondering if anybody has had any luck just replacing the broken crank with a new one without completely tearing down the whole After consulting with many folks who work on Duramaxes that seems to be the only common issue with broken cranks is the possibility that the balancer has gone bad. 0/6. The customer had driven it home and the next day it would not I was wondering if its possible to replace a broken crank with out removing the heads? I have a complete 08' LMM with a broken crank that I would like to fix with the least amount of time and money spent. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different 2008 Silverado LT, Crew Cab, 2WD,LB. Broke the crank while towing. Dave explains why #autoshop #autorepair #duramax #duramaxdiesel #enginebuild #enginerepair. All easy miles. 6 Duramax Silverado, including a turbo swap and CP3 injection pump upgrade. Thought head gaskets were tough pill to swallow, but motor rebuild makes it seem like chump change. Hey guys,So this video was one I didn't want to do. 6L, it simplifies installation and prevents crankshaft failures. After a broken crank, you can do a replacement in the same block, but you will have to have the main journals He had it together for about 2yrs and broke the crankshaft. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. 5-2005 (LLY) 6. 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. LML Duramax with broken crankshaft. built trans with BD tripple disc converter a airdog 165 cold air intake mitshimoto radiator hoses 07' Duramax Dually Quadzilla Programmer at 70HPfor now. Truck had a Danville 68 Stg 2R, 60 overs, and 10mm stroker on conservative tuning to keep rods happy. efi tuned and deleted. Duramaxdiesels. 2 K10 banks hairdryer plus 50% fuel (Dailly driver) This broken crankshaft problem truck was not used hard other than long haul towing on the highway, there are a lot of trucks beast like you stole them & don't break cranks or pistons. Broke the fuel pump housing. 1 of 2 Go to page. So GM in their infinite wisdom is going to patch the engine instead of installing a longblock. The main cap and block journal seem ok (going to check out of round on the crank and main). Chevy and GMC Duramax Diesel Forum. In cases where a nitrided crankshaft is bent, it is usually not recommended to straighten. From the factory, your Duramax uses a dowel pin on the crankshaft to hold the balancer in place. 04. Duramax Broken Crankshaft Dave explains why #duramax #enginebuild #autoshop #carrepair. Perfect for 2001-2016 GM 6. Had to be towed. 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. Built motor, and still slow. I just took alot of precautions to avoid this AF cam mild tuning etc. Was hit hard enough in the front to bend the rear leaf springs. 5-10 LMM Duramax Powertrain Broken flexplate cause P0336? Jump to Latest I started to think I had scored the infamous broken crankshaft-We pulled the crank position sensor and it looks OK visually and resistance tested the same as another that we had Anyone broke an lly crank? All the threads I come across are for lb7 and lbz crank failures. It happens, truck will still run, no codes or clues other than noise and vibration. I wanted to truck back running ASAP so I bought a used low mileage complete engine that was supposed to have been gone though and all checked out. Truck had a broken crankshaft. The bearing was pretty well chawed up. Apr 19, 2008 15,683 1,949 113 Mid Michigan. zeke38 · Registered. 5 diesel. Just a guess of course. *Replaced the ECM with a Reman from the local GMC dealer. Dave explains why #duramax #enginebuild #autoshop #carrepair”. It was hit very hard in the front just right of center on the crankshaft. 2011 Silverado 3500HD Duramax LML dually 4x4 Got the motor out and found the second from the front Main bearing spun pretty good. I have three other duramax motors laying around that i have aquired out of other trucks with the top burnt in them but i Our 2011 Duramax 1 ton crankshaft just snapped. Thanks for any info!!! Zak Re-use it and the crank will break again. Duramax Hard Parts . 3. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Prevent engine failure with the XDP Duramax Crankshaft Pin Kit. I already have a good crank for it. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less . Here’s what it sounds like. duramax. Jump to Latest 41 - 48 of 48 Posts. i got it and couldnt get to to start. 2005 cc/sb lly 4inch turbo back 6in silverline tip lbz mouth peice mod egr blocked efi Working on a 2016 lml. It will be hard to start though/take more than normal amount Ever wonder what a broken crankshaft sounds and looks like? Check this one out! This is a LMM Duramax with around 150k miles. 6L V8 DIESEL CRANKSHAFT PISTON & FLYWHEEL = = = Broken Duramax Crankshaft Engine carnage #engine #mechanic #carrepair #mechanic #america #automotive #mechanical #tools #car #mechaniclife #cars #comedy #funny #UnitedStates #fypシ゚viral #fypシ゚ #fbreelsvideo XDP Crankshaft Pin Kit For 2001-2016 6. Facts: Short of this, it appears the crankshaft has broken. Our most popular Compstar builds get paired with: To pin your crankshaft with the XDP Duramax Crankshaft Pin Kit, you’ll need: Tape measure ; 12-point 36mm ½“drive shallow socket ; 22mm Socket ; Torque Wrench Capable of 300 Ft. 6-speed Allison conversion. 2L Diesel Engine Duramax Third Generation: 2006-2007. 06-07 LBZ & LLY Performance Parts Discussion. 8M posts 221K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Any advice? The crankshaft can bend severely or even break in some cases. Mack Member Posts: 167 Joined: Wed Jan 16, 2013 3:15 pm Location: Re: broken crankshaft in gm 6. From the factory, your Duramax uses a dowel pin on the crankshaft to hold the balancer Chevy / GMC Duramax 07. Here's a link: 2011 GMC Sierra 3500HD SRW SLT Crew Cab 4x4 Longbed Vernon, Broken crankshaft???? Jump to Latest 8K views 29 replies 18 participants last post by bobo Nov 23, 2007. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . I have tried my best With a broken crank!! Truck has 230k on it. 5-10 LMM Forums. You won't know until you open the engine. Replaced crankshaft. It busted the front cover, pulleys, etc. 6. The thing ran, but not well. 1 2 3 Harley had his crank broke by getting backlashed too. 1; 2; Next. Furakawa FL35 loader. Yeah slash I owned a 2002 Duramax and it was covered under the extended warranty for injectors and they did finally fail so that extension in coverage was a good deal for me. Anyone have any insight? 100% a broken crankshaft if you asked me. 5 – 2005 Duramax LLY are the years with the most problems. I'll try Crank broke. DAVE’S AUTO CENTER Utah - David Bell | Duramax Broken Crankshaft. 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. This was with full billet main caps, studs, girdle, SoCal balancer and flywheel, and Fingers pistons (after Hey guys i recently bought an 09 duramax that was wrecked up in the rear. Dave explains why". We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax Chevy / GMC Duramax 07. L5P crank issues. So, it's said a failed crank wont let the truck start, and I tested. A must-have for Duramax enthusiasts and professional technicians. Perhaps the most devastating of all Duramax failures is a broken factory crankshaft. Come join the discussion about modifications, towing 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 How to remove a broken crank shaft bolt without destroying anything in the process. A engineer just happen to be there (for another vehicle at the shop) when I pulled the pan off. 5-05 LLY Duramax Powertrain broken crank. So this is a very unfortunate situation of course for anyone if this were to happen. Jump to Latest 23K views 10 replies 8 participants last post by ByrdDog Jan 31, 2016. After I talked Duramaxdiesels. I like the price, but I'm hesitant due the the fact that such a major repair was done so close to the expiration of the powertrain warantee. The damage was caused by the vibration dampener dowel pin wearing and allowing the dampener to move. Joined Mar 4, 2009 · 1,633 Posts. 5 (LBZ & LLY) Top Contributors this Month This is the ONLY way to correctly fix the Duramax crank pin issue. 00. New video by Andy Moss . I'll buy the main bearing and I found two differentes OES kit GM # 12677680 and 12704537 and i dont what's the correct. It was ugly. It is definitely a broken crank. Designed for 2001-2016 GM 6. We strive to keep this the #1 forum for tech and information 6. TikTok video from Davesautocenter (@davesautocenter): “Duramax Broken Crankshaft. The truck starts and runs well, albeit, doesnt balance injectors because of it. 600+duramax Discussion starter. Explore Our Forums. 87' 6. Pulled our 400,000 hard miles 239 Likes, TikTok video from Davesautocenter (@davesau_tocenter): “Duramax Broken Crankshaft. Skip to content. r/Duramax ADMIN MOD 2011 LML broken crank value I’ve got a 2011 Silverado 2500hd ltz with just under 200k miles a few months back I had just gotten back from a 3+ hour drive and it seemed to be running fine aside from sounding a little off but not enough for me to be concerned, well the next day i started it up One thing to check would be a broken crankshaft. It's extremely 14K likes, 176 comments - davesautocenter on July 10, 2024: "Duramax Broken Crankshaft. Which is impressive since the International cranks look puny even compared to the Duramax crank. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 14 @ 111. From what I understand the crankshafts break on those years of Duramax because they made the engine more powerful but didn’t reinforce the crankshaft to compensate. Mark :drink 2005 4x4 3500 SRW CCLB LT, 120K+ Some will tell you it works, some will show you broke alt firing cranks. We do have a few of these in stock! Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6. I have a conspiracy, the reason why duramax crankshafts snap in half is because the crank will eat through main bearing on main #2 because of the firing order, and eventually the crank will spin the bearing, grab the block and snap in half because of the friction. 1K checked crank to see if it was a broken crankshaft and had no movement. New to the site and the duramax. I wanted to make sure my crank wasn't broke. оригинальный звук - Dave's Auto Center. 5-05 LLY Duramax Powertrain LLY misfire. 8M posts 221K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Full Forum Listing. New Chev long block 6777. Chevy / GMC Duramax 07. Where on the crank did it break . 1) Please contact us if you need any help. I broke a crank on my 08 LMM and i am getting ready to put another motor in. 1 Race,Pull Shortblock (Durablock STG. In both stock and performance a 384 Likes, TikTok video from Dave's Auto Center (@davesautocenter): “Broken Duramax Crankshaft Engine carnage #engine #mechanic #carrepair”. Is it just me or is it rediculous that this happened? The truck is sitting at the dealership now. Chev / GMC Duramax 2020+ LM2 Forums. Dave mentions some ways to fix it #engine #duramax #carrepair #autoshop. What now? How’s about preparing myself for a broken Crankshaft which is exactly what it is . 15 Marlene (Molly) Bacon -- 1936 - 2019 -- RIP Mom You're missed both at home and on the piano. Oct 4, 2019 #6 LB7 Duramax 2004. Would like to know for general curiosity. 6L Duramax? CHAD REMAKEL: The main reason for modifying the Duramax firing order with the camshaft is to relieve stress on the The most common problems include crankshaft damage, low fuel rail pressure, leaky transmission, cracked piston, water pump malfunction, head gasket failure, overheating, defective O-rings, and cracking injector. I would not assume the clutch and flywheel are ok either! Automotive Machining, cylinder head rebuilding, engine building. This was noticed at first at very low RPMs (about 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 High Flow Intake Manifolds 2001-2010 Duramax Diesel Up to 150% more airflow and over 40 HP gain Eight time TTPA points champ 2006 to 2013 If this crank is broken when I take it apart it will be the end of line. The car was 2 days old, I had prepped it for sale as well. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. 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 the first counterweight, No other damage is done which is a load off my mind, I guess the positive of the negative is that I just need a new crank and bottom end bearings. Duramax's don't pop cranks with stock power levels. I can assure you more cranks have been broken without Fluidampr than with. Was running fine but suddenly shuttered and died and will not start again. Truck is bone stock with 133k miles. 3K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Well I got 27,000 miles out of my longblock from XCalibur Diesel. ByrdDog Discussion starter. 2005 6. The duramax deisel thread Fingers started is worth the read, very informed and knowledgable guy there. 420k miles. Does crankshaft position need to be relearned? I know it does on some GM vehicles. Go Duramaxdiesels. 6L Duramax with the XDP Duramax Crankshaft Pin Kit XD331. 5 LMM with a broken crank for $1500. Just purchased from an authorized Dealer 3 months ago. 5. Unplugged crank, left cam sensor plugged : No Start 2010 chevy drama LMM with broken crankshaft after dropping 2 injectors together. I’m not complaining it lasted 700+ and I’d just added a pile more cylinder pressure too it etc. 07. 8M posts 219K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and Chevy / GMC Duramax 04. The crank reluctor wheel is rock solid. Merchandisehttps://dirtydiamonddiesel. Joined Jan 20, 2009 · 5,665 Posts #61 Chevy and GMC Duramax Diesel Forum. Top. 5-05 LLY Forum. Now I’m worried and just can’t seam to win with the crankshaft issues on the Duramax without buying the billet $4000 dollar version. We strive to keep Oh and we just tore down another LLY with a broken crank at the #2 main. Waiting to hear if GM is going to help with the repair costs. Jump to Latest 1K Had headgasket done and 5 weeks later broke the crank. I screwed up when I did the water pump and didn't toque the harmonic balancer like I should have, and I p I just did the water pump in my 08 lmm as soon as I got it started to check for leaks the motor started shaking pulled everything off come to find out I sheared off the crankshaft pin so I called my dealership this morning had him get me two pins The part number for the pins the # for the pins are #94048159 but they don't look right look way to small Is this a broken crank? Jump to Latest 61 - 80 of 81 Posts. Go. The 2001 – 2004 Duramax LB7 and 2004. lmm broken crank. This restorat Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Ended up that one had one bad piston (cracked) so we swapped in one of the others and put it in. 7 Ford is looking better everyday. Ramblinrodney. Jump to Latest 251 I think the crankshaft is broken but someone with more expertise may be able to help me. 90 Degree Drill ; Cutting/Drilling Lubricant ; Drill Guide & Bit (included in the kit Upgrade the engine in your 2001-2016 Chevy Silverado/GMC Sierra 2500HD/3500HD Duramax with a Callies Durastar crankshafts. npfgolpi mqp pokus xtjdyb fupujl sjpw ukih mnlrbm nnve ghwhi