Duramax broken crank.

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.

Duramax broken crank. Things To Know About Duramax broken crank.

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. 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)Hey guys i recently bought an 09 duramax that was wrecked up in the rear. i got it and couldnt get to to start. long story short the crank is broken in it. I have three other duramax motors laying around that i have aquired out of other trucks with the top burnt in them but i cant remember for... 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.

Engines. 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 …

This tool kit allows you to re-key the crank shaft without removing the crank or motor from the truck. The kit allows one to perform the task multiple times on several different crank shafts by simply purchasing more dowels. (563-588-2708/ www.empiredieselperformance.com)

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.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.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.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...

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.

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 …

The Callies Duramag billet crankshaft is designed to be the last crank you ever need for your LB7 thru LML Duramax engine. These cranks are fully machined from domestically-sourced 4330 steel in our Ohio plant. Intended for the most extreme applications, some features of these shafts include large fillet radii across all journals, a nitrided ...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.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.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain broken crank. Jump to Latest Follow ... Had headgasket done and 5 weeks later broke the crank. Motor has 191,000 on it. Thought head gaskets were tough pill to swallow, but motor rebuild makes it seem like chump change. Any advice?Get ratings and reviews for the top 7 home warranty companies in Broken Arrow, OK. Helping you find the best home warranty companies for the job. Expert Advice On Improving Your Ho...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 …

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 …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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.John Deere Service Manager. Play Truck - 2002 LB7 2500HD Crew Cab Short Bed. Daily/Tow Rig - 2006 LLZ 2500HD Crew Cab Short Bed . SOLD - 2007 LBZ 2500HD Standard Cab Long Bed. SOLD - 2006 LBZ 2500HD Crew Cab Short Bed :crying: SOLD - 2004 LLY 2500HD Crew Cab Long Bed. TRADED - 2002 2500HD Crew Cab …Sep 15, 2023 · Had an LB7 that i built an engine for back in 2016, and broke the (LBZ) crank in 2018. Ran perfect with no noise until about 2200rpm and then would stumble and spit and shake. Best ways to check are rotating by balancer bolt while watching for flywheel movement, or checking for up/down/side movement of the front of the crankshaft 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.Watch us show you how to identify if your Duramax has a broken crankshaft. This is a common problem that appears in the first or second cylinder. This is a problem we are seeing more and more...

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. Would like to know for general curiosity. Anyone have any insight?Well, we about beat the crank out of the block, but haven't broke one yet. Started out as a well used LB7, built and ran a full year at 900-1200HP and re-built it this month. Same crank is back in the engine for another season, we'll see.

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 … 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. Just wondering if anybody has had any luck just replacing the broken crank with a new one without completely tearing down the whole engine and having the rotating assembly spin balanced? My lml broke a crank shaft last Saturday night.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 ...Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6.6L Duramax with the XDP Duramax Crankshaft Pin Kit XD331. From the factory, your Duramax uses a dowel pin on the crankshaft to hold the balancer in place. In both stock and performance applications, these dowel pins are easily sheared causing the balancer …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 ...10666 posts · Joined 2009. #5 · Oct 26, 2023. Engine Vibration • Fluidampr - Manufacturer of Performance Dampers For Gas & Diesel Engines. 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.One thing to check would be a broken crankshaft. It happens, truck will still run, no codes or clues other than noise and vibration. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.2K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about …

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, Sirius, bags ...

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 …

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# 97374386.3.0L Duramax Engine Problems. Crank start issues. Oil pump belt replacement. Injector failure. Exhaust gas recirculation failure. High-Pressure Fuel Pump Failure. If you would rather consume this content via a video, check out our 3.0L Duramax Common Problems video below: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. 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.May 13, 2010. #1. Just out of curiosity how many have broken there cranks at the #2 Rod Journal? I know of many but people never seem to post up there failures so time and …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 ...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 lost its thrust.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. 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.

Jun 23, 2016 · It's still uck of the draw. Theres HUNDREDS of broken DURAMAX cranks from guys running aftermarket balancers on engine with cirtually no run time. LML's seem to pop around the 150-200K mile mark, others are a gamble. As to harmonics, these same harmonics are present in engines running ATI balancers, it's just a natural harmonic in the engine. 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 ...Aug 13, 2009 · FluidDampr is being installed on the new motor before it gets dropped in. 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. Hopefully will pull it and see what exactly went when I get the truck back. Apr 17, 2015 · 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 ~ . Instagram:https://instagram. restaurants near kalahari resort round rockweather hudson fleau claire cheese and delidr mohammed al dalli 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. Broken Duramax Crankshaft Engine carnage #reels #carrepair #car #viral. Davesautocenter · Original audio tufts early action deadlinekenmore he2 plus f21 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.Sep 19, 2009. 432. 0. 0. Houston. Apr 18, 2010. #4. He said when he replaced the bolt he removed the balancer and tried to wiggle the crank, and was to afraid to run the motor with out the balancer. I dont think he has a way to check run out on the snout untill i get back from laredo and as far a spinning the balancer he said when he … hummel figurine price guide The exact MPG any engine gets depends on the vehicle it’s used in, but the 6.6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driv...Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. HELP! Broken crankshaft. Jump to Latest Follow 2K views 3 ...