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by The 3.0 Duramax Podcast
Real-world answers to 3.0 Duramax questions from a working GM technician. This podcast breaks down oil choices, maintenance, diagnostics, known issues, and what actually matters when owning and servicing a 3.0 Duramax truck or SUV. Episodes are built around real viewer questions and real shop experience — not speculation or internet noise. Straight answers. Practical context. No fluff. Duramax® is a registered trademark of General Motors. This podcast is not affiliated with or endorsed by General Motors.
Latest Episodes
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- 1 weeks ago14 min
The Truth About 5 Micron Oil Filters (Nominal vs Absolute)
There's a lot of confusion surrounding oil filter efficiency, micron ratings, and the difference between nominal and absolute filtration. In this episode of the 3.0 Duramax Podcast, we're breaking it all down! WWW.DEMONWORKSHOP.COMPPE recently released its NEW 5-micron nominal engine oil filter for the 3.0L Duramax diesel, and it's already generating plenty of questions. How does it compare to the existing PPE 10-micron oil filter? What does 5-micron nominal actually mean? And could tighter filtration affect oil flow, especially when running thicker engine oil?As a GM dealership technician, I'm sharing what I've learned about oil filter efficiency, comparing published filtration ratings, and discussing what Duramax owners should consider before choosing their next oil filter.TOPICS COVERED IN THIS EPISODE:NEW PPE 5-Micron Oil Filter – A closer look at the new PPE 1140660 engine oil filter for the 3.0L Duramax.5 Micron vs. 10 Micron Filtration – Understanding the differences between PPE's new 5-micron filter and the existing 1140650 10-micron filter.Nominal vs. Absolute Filtration – What 50%, 98%, and 99% filtration efficiency ratings actually mean and why micron ratings don't tell the whole story.Oil Filter Comparisons – Discussing published filtration specifications from PPE, ACDelco, WIX, Purolator, and Premium Guard.Oil Pressure & Thicker Engine Oil – Could tighter filtration affect oil flow? We'll discuss the concerns and upcoming testing plans.NEW Edge CTS4 Monitor – What's changed from the CTS3, the larger screen, internal upgrades, and one feature I wish Edge had included.2027 GM 3.0L Duramax Updates – New information on the updated LZ0 engine, larger DEF tank, available 34-gallon fuel tank, transmission cooling changes, and more.SEMA Show Questions – We're heading to SEMA! Send us your questions for manufacturers like PPE, Hot Shot's Secret, S&B Filters, and others.🛒 SHOP DURAMAX PARTS & ACCESSORIES:https://demonworkshop.com📰 LATEST DURAMAX NEWS & UPDATES:https://duramaxnews.com💬 JOIN THE CONVERSATION!Would you choose a 5-micron or 10-micron oil filter for your Duramax? Are you concerned about oil flow when running thicker oil? Drop your thoughts and questions in the comments!And if you have questions you'd like us to ask manufacturers at SEMA, send them our way!👍 LIKE this video if you found it helpful.🔔 SUBSCRIBE to Demon Works for more Duramax diesel news, product discussions, technical information, and real-world testing.#Duramax #3Lduramax #PPE #OilFilter #DemonWorks
- 2 weeks ago14 min
GM Finally Reveals 3.0 Duramax Failure Dates! Plus New Turbo line
GM has finally added build dates to its 3.0 Duramax LZ0 thrust-bearing failure bulletin. We also have an updated turbocharger oil feed pipe, a new aluminum radiator, and a viewer question about intake valve cleaning.Read the full articles on Duramax News:GM Identifies 3.0 Duramax Thrust Bearing Build Dates:https://www.duramaxnews.com/post/gm-finally-identifies-3-0-duramax-thrust-bearing-build-dates-in-updated-bulletinUpdated 3.0 Duramax Turbo Oil Feed Pipe:https://www.duramaxnews.com/post/3-0-duramax-turbo-oil-feed-pipe-2027-updateIn this episode, we look at GM's updated thrust-bearing bulletin identifying a May 1 through September 1, 2025 vehicle build-date range. I'll discuss what I've found from tearing down a failed LZ0 engine, what we still don't know about the failures, and an updated thrust-bearing part number for the 2027 engine.We also cover the revised turbocharger oil feed pipe now referenced in GM's service information, along with a new Fluidyne aluminum radiator for the 3.0 Duramax.Finally, I answer a viewer question about intake valve cleaning, MAP sensor maintenance, and whether a catch can is worth considering.TIMESTAMPS 00:00 – Introduction and episode overview01:00 – GM Authority article and new Fluidyne radiator04:00 – GM reveals 3.0 Duramax thrust-bearing build dates07:30 – Updated turbocharger oil feed pipe for the LZ009:15 – Should you clean your 3.0 Duramax intake valves?11:00 – MAP sensor maintenance and catch cans13:15 – My 2027 Silverado ZR2 and upcoming content14:27 – EndMORE DURAMAX INFORMATIONDuramax News: https://www.duramaxnews.comParts & Upgrades: https://www.demonworkshop.comQUESTION FOR OWNERS:Is your 3.0 Duramax within GM's newly identified build-date range? Have you experienced any thrust-bearing or turbocharger problems? Let us know your model year, mileage, and experience in the comments.
- 3 weeks ago18 min
Red Dyed Diesel in Your Duramax? GM Responds on Warranty!
The 2027 3.0 Duramax LZ0 Gen 2 has MORE changes than GM originally announced! In this episode of the Demon Works Podcast, Greg, a GM dealership technician, digs into newly discovered engine updates, including revised pistons, piston rings, thrust bearings, fuel injectors, turbocharger components, and emissions system changes.https://www.demonworkshop.com/products/3max-t-shirthttps://www.duramaxnews.com/post/can-you-run-red-dyed-diesel-in-a-duramax-what-gm-says-and-what-you-need-to-knowhttps://www.duramaxnews.com/post/2027-gen-2-lz0-changes-a-deeper-look-at-what-s-new-on-the-3-0l-duramaxWe're also tackling a major question from Duramax owners: Can you run red dyed diesel fuel in your 3.0 Duramax, and will it void your GM warranty? GM has released bulletin 26-NA-279 addressing dyed diesel fuel and warranty coverage, and we're breaking down exactly what it says.🔥 IN THIS EPISODE:🔧 2027 3.0 Duramax LZ0 Gen 2 Engine UpdatesUpdated pistons, piston rings, and thrust bearingsRevised rocker arms and intake manifoldChanges to the front and rear crankshaft sealsFuel injector and fuel rail updatesTurbocharger and charge air cooler changesNew airbox and air filter designUpdated NOx sensors and emissions componentsLarger DEF tank and revised exhaust connectionsNew ECM and TCM components2027 Silverado 1500 ZR2 updates⛽ RED DYED DIESEL & GM WARRANTYCan you safely run red dyed diesel in a 3.0 Duramax?What GM bulletin 26-NA-279 actually saysDoes red diesel automatically void your warranty?Why ULSD fuel specifications matterFuel contamination and warranty claim considerationsImportant legal and tax considerations for on-road use🛠️ PLUS: We've got a running Duramax engine with approximately 120,000 miles and stretched timing chains. Should we tear it down for inspection or replace the timing chains and document the entire repair? Let us know in the comments!⚠️ IMPORTANT: The 2027 Duramax component findings discussed in this episode are based on preliminary parts research. Some details remain unconfirmed until the updated components can be physically inspected. Dyed diesel use is subject to applicable laws and fuel requirements.🔗 DURAMAX RESOURCES🛒 Duramax Parts & Upgrades:https://demonworkshop.com📰 Duramax News, Technical Information & Maintenance:https://duramaxnews.com💬 JOIN THE CONVERSATIONWhat do you think about the 2027 3.0 Duramax engine updates? Are the revised components enough to make you consider upgrading? And have you ever run red dyed diesel in your truck?Drop your thoughts and questions below!👍 LIKE this video if you enjoy detailed Duramax technical information.🔔 SUBSCRIBE to DemonWorks for 3.0 Duramax news, GM technical updates, maintenance advice, engine breakdowns, and real-world diesel discussions.#Duramax #3LDuramax #LZ0 #2027Duramax #DemonWorks
- Oct 10, 202619 min
Want Better MPG From Your 3.0 Duramax? Stop Buying This Stuff
Will an aftermarket part actually increase the fuel economy of your 3.0 Duramax? How can you get better MPG without wasting money on modifications that may never pay for themselves?In Episode 32, I break down what I’ve learned from testing different parts and modifications on the 3.0L Duramax diesel. We’ll talk about air intakes, air filters, fuel additives, the Edge EZX, PPE charge air cooler, tires, wheels, driving habits, maintenance, and what I believe actually makes a difference when you're trying to improve fuel economy.The 3.0 Duramax is already an incredibly efficient diesel engine, but with diesel prices climbing, every MPG counts. The important question is whether spending hundreds of dollars on a modification actually saves enough fuel to justify the cost.I also cover a few updates before getting into our main MPG discussion, including the LM2 vs. LZ0 pistons, what I found after cutting open my 10L80 transmission filter, oil supply concerns, fuel filters, and some new products.Filters: https://www.demonworkshop.com/collections/oil-and-filtersKlickWrench Socket: https://link.amazon/B0f5hIl4yAs an Amazon Associate, I earn from qualifying purchases.⏱️ CHAPTERS00:00 – Can You Get Better MPG From a 3.0 Duramax?01:00 – Channel & Shop Updates03:25 – Fuel Filters & Cold Weather Maintenance04:35 – Metal Found in My 10L80 Transmission Filter05:15 – Oil Supply & Rising Maintenance Costs06:20 – LM2 vs. LZ0 Duramax Pistons08:15 – How to Get Better 3.0 Duramax Fuel Economy09:30 – Do Air Intakes & Filters Improve MPG?11:20 – Edge EZX & Fuel Economy12:05 – PPE Charge Air Cooler: Does It Improve MPG?12:55 – Do Diesel Fuel Additives Improve MPG?14:20 – Tires, Wheels & Lift Kits Can Hurt MPG16:15 – Driving Habits That Improve Fuel Economy17:20 – Maintenance & Fluids Matter18:05 – Should You Buy Mods Just for Better MPG?19:10 – Final ThoughtsWhat kind of fuel economy are you getting from your 3.0 Duramax? And have you tested a modification that actually gave you a measurable MPG improvement? Drop your results in the comments—including whether you're using the dash MPG or hand-calculating it.Check out DuramaxNews.com for 3.0 Duramax information, how-tos, service bulletins, and updates.Visit DemonWorkshop.com for maintenance products and upgrades that I've personally tested.Thanks for watching, and I’ll see you in the next one!
- Sep 28, 202615 min
Motul Results + 2027 Order Guide is out - 3.0 Duramax Podcast 31
This weeks podcast, we discuss the motul results and compare them to mobil1 and pennzoil. We discuss the fleet order guide that came out for the Silverado 1500 trucks plus much more.....https://www.demonworkshop.comhttps://www.duramaxnews.com/post/2026-vs-2027-chevy-silverado-1500-changes
- Sep 20, 202629 min
GM Just Revealed Major 2027 3.0 Duramax Updates
GM has revealed several updates coming to the 2027 3.0 Duramax, including changes to the pistons, turbo vanes, next-generation NOx sensor, sealing, fuel injector corrosion protection, DEF system, and more. We’re breaking down what we know, what these changes could mean for reliability, and whether the 2027 SUVs will eventually receive the same updated LZ0.We also have details on the larger 34-gallon fuel tank, which could give the 3.0 Duramax more than 900 miles of highway driving range. The DEF tank is getting bigger too, along with revised DEF level indicators.But that’s not all we’re covering in this episode.We get into the controversy over GM removing the traditional engine oil dipstick from its new V8s — and why I actually think getting rid of the dipstick could be a GOOD thing.We also talk about the upcoming MegaMax diesel, compare different transmission filters available for these trucks, run the numbers on diesel vs. gas fuel costs, and answer a viewer question about whether he should keep repairing his 2024 LZ0 or switch to an LM2.As a GM technician and 3.0 Duramax enthusiast, my goal is to cut through the noise and give you useful information based on what we actually know — and when something isn't confirmed yet, I'll tell you that too.🔥 Save with Banks Power using discount code DemonWorks:https://www.bankspower.com/demonworks🔧 Duramax Parts & Productshttps://www.demonworkshop.com📰 Duramax News, Maintenance Info & Part Numbershttps://www.duramaxnews.com🚨 COMING SOONhttps://www.3maxdiesel.comhttps://www.megamaxdiesel.comTopics covered in this episode:• 2027 3.0 Duramax LZ0 updates• Is this the Gen 2 LZ0?• LZ0 piston changes• Turbo vane updates• Next-generation NOx sensors• Fuel injector corrosion protection• 34-gallon 2027 Silverado fuel tank• Larger DEF tank and new DEF indicators• 2027 Silverado 1500 ZR2• GM removing the engine oil dipstick• MegaMax diesel news• Duramax transmission filters• Diesel vs. gasoline fuel costs• LM2 vs. LZ0 reliability• Used 3.0 Duramax problemsIf you own a 3.0 Duramax, are considering buying one, or want to stay up to date on the latest Duramax news, subscribe and follow along. There’s a lot coming with the 2027 trucks, and we’ll continue digging into these changes as more information becomes available.#Duramax #LZ0 #Silverado #3LiterDuramax #ChevySilverado
- Sep 14, 202617 min
Your 3.0 Duramax MAP Sensor Could Be Causing Problems
In this episode, we take a closer look at the 3.0 Duramax MAP sensor, including what it does, why it gets dirty, where it’s located, and whether you should clean it or replace it.The MAP (Manifold Absolute Pressure) sensor is an important part of the 3.0L Duramax diesel engine management system. Because of its location near the EGR flow into the intake manifold, the sensor can develop significant buildup over time. We discuss why accurate MAP sensor readings matter, how a dirty or skewed sensor could affect engine operation, and why I now recommend replacing the sensor rather than cleaning it.We also talk about LM2 vs. LZ0 MAP sensors, changing regen intervals and some of the other basic items worth checking when your Duramax starts regenerating more frequently, including the air filter and mass airflow sensor.Also in Episode 29:• An update on genuine PPE engine oil filters and their new packaging/design• Why I recommend replacing the aluminum transmission filter bolts during service• Winners of the Blowzer X6 cordless air duster giveaway• My recent tour of Banks Power and an update on 3.0 Duramax development• A quick update on my 2027 Silverado 1500 ZR2 with the 3.0 DuramaxFor more 3.0 Duramax diesel news, technical information, and updates:[www.duramaxnews.com](http://www.duramaxnews.com)Shop 3.0 Duramax parts and products:[www.demonworkshop.com](http://www.demonworkshop.com)Topics covered: 3.0 Duramax MAP sensor, LM2 Duramax, LZ0 Duramax, MAP sensor replacement, dirty MAP sensor, Duramax regen frequency, Duramax maintenance, PPE oil filters, 3.0 Duramax problems, and Duramax diesel maintenance.00:00 Intro – 3.0 Duramax MAP Sensor & Episode 2901:25 Blowzer Giveaway Winners04:10 PPE Oil Filter Update & Fake Filters06:35 3.0 Duramax Transmission Filter Bolts07:45 3.0 Duramax MAP Sensor Problems09:10 Why the MAP Sensor Gets Dirty10:20 Clean or Replace the MAP Sensor?12:05 LM2 vs LZ0 MAP Sensors13:05 MAP Sensor Codes & Why Readings Matter14:45 Banks Power Tour & 3.0 Duramax Update17:20 What's Coming Next
- Aug 24, 202621 min
Properly Fill Transmission with PPE Bypass Valve? Long Term Ownership for 3.0 Duramax?
Podcast 28 comes in with a discussion on long term ownership of the 3.0 duramax. Many people want to know if it's a great long term buy - I discuss that along with many other topics ....Blowzer on amazon: https://amzn.to/4wPvpHZGiveaway will be here: www.demonworshop.comBanks Discount Code: DemonWorksWeigh - Safe Discount Code = DW10Amazon affiliate links may benefit the channel monetarily.
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About The 3.0 Duramax Podcast
Real-world answers to 3.0 Duramax questions from a working GM technician. This podcast breaks down oil choices, maintenance, diagnostics, known issues, and what actually matters when owning and servicing a 3.0 Duramax truck or SUV. Episodes are built around real viewer questions and real shop experience — not speculation or internet noise. Straight answers. Practical context. No fluff. Duramax® is a registered trademark of General Motors. This podcast is not affiliated with or endorsed by General Motors.
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