Duramax broken crank.

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.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)GameStop has a trade-in program -- but does it buy broken items, such as consoles and controllers? We explain what GameStop will and won't buy. GameStop will purchase broken consol...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 ~ .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 ...

May 24, 2021 · 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.

28. Massachusetts. May 15, 2023. #1. A friend of mine got this complete Lbz with a broken crank for a steal. Upon teardown, we found the crank broken at the 7/8 rod throw. Never saw one break here. Usually , they're broken towards the front of the block. Going to tear it down the rest of the way and check the main journals.

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. 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 …Feb 16, 2022 · 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... 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)

8350 posts · Joined 2010. #3 · Mar 4, 2014. I believe it will crank but not fire if it's the CPS. Mine did anyway. Your going to have to check the ignition fuse and relay. Then you will need to see if there is power to the solenoid. With a test light you can check the BIG wire on the starter solenoid.

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 …

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 ...Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain Lost oil pressure. Jump to Latest Follow ... Either way you need a new engine. I vote broken crank. Kervin. 04 lb7 with 06 front clip. Built trans, head studs, S366 from EPR, 30% injectors, Idaho Rob tunes, 20X10 BMF Novakanes etc....Jan 19, 2014 · 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 . 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.I have 2011 Sierra 3500, its has 366,000 on the clock and about a month th ago I blew the motor, we rebuilt it dropped it in and it cranks but won't start. It has a brand new cp4 and if you give it some ether it will start hard and run as long as you keep your foot on the throttle. I have gone over the wiring harness, no broken wires checked to ...

LML crank No Start After Rebuild. 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 ...Apr 9, 2022 ... | Duramax LMM Engine Teardown | BROKEN WHAT! | ... LLY DURAMAX TEARDOWN. BAD Silverado ... LBZ LMM And LML Duramax Are Always Breaking Crankshafts ...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.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.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 …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.Duramax Engine LLY 2004.5 to 2005. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the …

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.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.

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. 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 …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 …7 Oct 2012 ... keyed crankshaft for Duramax- Dirtys House of Diesel. 16K views · 11 ... Duramax with broken crank | Brunt Boots Review. BoughtToBuild•780 ...Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. HELP! Broken crankshaft. Jump to Latest Follow 2K views 3 ...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.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.

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.

#1. 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 …

#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. …Sep 12, 2014 · 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. 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.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.Mar 14, 2019 ... ... K views · 4:39. Go to channel · How to Identify a Broken Crankshaft: Chevy Duramax. Thoroughbred Diesel•57K views · 5:13. Go to channel &m...The number of cold cranking amps a car battery should have is different for every car. It depends on both the vehicle itself and the temperature where the driver lives. Cold cranki...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. 28. Massachusetts. May 15, 2023. #1. A friend of mine got this complete Lbz with a broken crank for a steal. Upon teardown, we found the crank broken at the 7/8 rod throw. Never saw one break here. Usually , they're broken towards the front of the block. Going to tear it down the rest of the way and check the main journals.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...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 ...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.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.

Broken or shorted wiring. When you are experiencing this problem, check voltage at the starter solenoid and see if it is at B+ voltage or if it drops out. While you're at it, also check cranking voltage for the B+ wire on the starter. Also sounds like weak batteries. Ron Nielson. 2008 2500HD LT CCLB/Ally.Sep 12, 2011 · 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. I made 2 passes at scheids with a broken crank. Oil pressure was fine, you couldnt hardly here anything, and it ran pretty smooth. It still made a 7.1 @96mph pass in the 1/8th with one cp3 cause it wouldnt keep the belt on cause the balancer was wobbling, it would throw it when it shifted to 2nd.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.Instagram:https://instagram. nail salons haddon townshiprazor mx650 front forkspriority health com otctoday's jumble puzzle answer LML crank No Start After Rebuild. 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 ...broken crank. Jump to Latest Follow. 5K views 20 replies 7 participants last post by SilverGorillaLML Jan 21, 2016. tracygto Discussion starter. 117 posts · Joined … layden's meat marketcraigslist wichita ks free Feb 16, 2022 · 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... 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. maggie greene gifs 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 …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.