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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.
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- Today29 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
- 1 weeks ago17 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
- 4 weeks ago21 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.
- 4 weeks ago16 min
MPG Loss or Gain with Bed Shell ? Doc's Def Fluid and Additive Tested - New PPE Product - Podcast 27
https:///www.demonworkshop.com / https://www.duramaxnews.com 3.0 Duramax Podcast brings a summary on two road trips, nearly identical with mpg / bed cover and def fluid tests and results.Banks Discount Code: DemonWorkshttps://www.bankspower.com/demonworksaffiliate links and codes could help the channel monetarily at no extra cost to you. We appreciate your support !
- Aug 10, 202617 min
3.0 Duramax Bypass System + Surprising Oil Analysis Results
https://www.duramaxnews.com/post/top-dexron-ulv-fluids The 3.0 Duramax oil analysis results are IN — and they were not what I expected.In this episode of the 3.0 Duramax Podcast, I’m breaking down the results from running Motul 5W-30 for over 5,000 miles. After sending the oil out for analysis, the wear-metal numbers came back surprisingly low. We’ll look at the results, compare them to previous oils I’ve tested, and talk about what they could mean for 3.0 Duramax owners.I also got an up-close look at an Insane Diesel bypass setup featuring both the engine oil bypass and transmission bypass. Seeing this system in person seriously impressed me, so I’ll show you what caught my attention and why this setup is worth talking about.Plus, we cover:• Motul 5W-30 oil analysis and wear-metal results• Insane Diesel engine oil and transmission bypass systems• Dexron ULV transmission fluid and TRiAX ULV ATF• My upcoming premium DEF fluid test• New 3.0 Duramax tools and testing• The new Diesel Buyer’s Report project• Upcoming DemonWorks projects, products, and giveawaysTriax Ulv: https://amzn.to/4wNO2fWTriax Dexos D: https://amzn.to/4q2s0UcBlowzer Giveaway Coming Soon: https://amzn.to/4hWXt8iIf you own a 3.0 Duramax or you’re thinking about buying one, subscribe for real-world testing, maintenance information, technical breakdowns, and firsthand experience from a GM technician and 3.0 Duramax enthusiast.Let me know in the comments: Would you run an oil bypass system on your 3.0 Duramax? And what oil are you currently using?#Duramax #3LiterDuramax #Diesel #DemonWorks00:00 3.0 Duramax Podcast02:18 New Diesel Buyer’s Report03:40 Testing Premium DEF Fluid & Additive04:57 This Acoustic Camera Blew Me Away06:42 Open Road Aluminum Truck Cap07:55 Catch Cans, Transmission Pans & Shop Updates09:03 TRiAX ULV Transmission Fluid11:34 Motul 5W-30 Oil Analysis Results15:40 Fan Giveaway16:34 Scan Tools & What’s Coming Next
- Aug 3, 202625 min
I Didn't Expect to End Up With TWO 3.0 Duramax Engines - Podcast Episode 25
In this episode of the 3.0 Duramax Podcast, I explain why I have a second 3.0 Duramax diesel engine sitting in my garage!During a recent trip to PPE, I was surprised with an early-production 2019 LM2 engine, giving us an incredible opportunity to compare the early and updated versions side-by-side. We'll be using these engines to create detailed teardown videos, maintenance guides, and technical comparisons for the 3.0 Duramax community.For products, check out https://www.demonworkshop.comBanks Discount Code = DEMONWORKS https://www.bankspower.com/demonworksGREEN AIR FILTER: https://amzn.to/4tgxNWPMotul 5w30: https://amzn.to/4sRbSp1Schaeffers 5w30: https://amzn.to/4sRbSp1Schaeffers 0w20: https://amzn.to/4sbSxyBACDelco Fuel Filter: https://amzn.to/3QFfXex3.0 Duramax Oil Change W/ PPE Oil Filter: https://amzn.to/3qmLR6o3.0 Duramax Oil Change W/ ACDELCO: https://amzn.to/3QtmDO5PPE OIL FILTER: https://amzn.to/3JP9j22 - BE SURE YOU ARE BUYING FROM PPE ONLY - CHECK SELLER NAME Just buy from demonworkshop.com to be safe.Fuel Filter Socket: https://amzn.to/4b52BkYFuel Filter KlickWrench Socket: https://amzn.to/42arKH6Aluminum Fuel Filter Cap: https://amzn.to/3FZir28K&N Air Filter: https://amzn.to/3S5sLvqK&N Fuel Filter: https://amzn.to/4b6Ux3ihttps:/www.maxl.com/demonworks https://www.bankspower.com/demonworksBANKS DISCOUNT CODE "DemonWorks"WEIGH SAFE HITCH: https://www.weigh-safe.com/product/weigh-safe-drop-hitch/?affiliate=demonworksALSO USE Discount Code DW10 at weigh-safe.com www.bankspower.com/DemonWorkswww.duramaxnews.comwww.bankspower.com/demonworksAs an Affiliate / Influencer, I earn from qualifying purchases. Your support is appreciated as it helps the channel to continue to test products!In this episode we also cover:✅ Why I now have two 3.0 Duramax engines✅ Early vs. updated timing chain differences✅ Tow/Haul mode testing and engine braking tips✅ Motul 5W-30 OIL SAMPLES SENT OFF + AC Delco DexosD 0W-20 oil being tested✅ Blackstone, Speed Diagnostics & Horizon oil analysis info✅ Transmission temperature fluid fill recommendations✅ Common owner questions answered✅ Cooling system and maintenance advice for LM2 & LZ0 ownersWhether you own a 2020–2026 Silverado or Sierra with the 3.0 Duramax, this episode is packed with real-world experience, maintenance tips, and technical information to help you get the most out of your truck.If you enjoy this content, be sure to subscribe and turn on notifications. New videos are coming soon featuring complete engine teardowns, side-by-side comparisons, maintenance tutorials, product testing, and everything related to the GM 3.0 Duramax.Resources Mentioned• Demon Works: https://demonworkshop.com• Duramax News: https://duramaxnews.comHave a question about your 3.0 Duramax?Leave a comment below! I read as many as I can, and your question may be featured in a future episode.#3MAX #30Duramax #BabyDuramax #Silverado #Sierra #LM2 #LZ0 #DieselTruck #Duramax #GMTrucks #TruckMaintenance #EngineOil #TowHaul
- Jul 12, 202612 min
3.0 Duramax Podcast: PCV Recall / Resonator Leak / Charge Pipe Causing Stalling
In this episode of the 3.0 Duramax Podcast, we're covering another GM recall for the 2024 LZ0 Duramax, a new GM service bulletin involving charge air cooler pipes causing engine stalling and low power, plus how to tell when an oil leak at your turbo resonator is normal—and when it's time to replace it.We also discuss:The latest GM PCV system recall (OTA update)Charge air cooler pipe failures and what causes themTurbo resonator oil leaks and billet resonator delete options0W-20 vs 5W-30 oil testing updateUsing an acoustic camera to diagnose air and exhaust leaksLM2 & LZ0 engine teardown updatesNew products available at Demon WorkshopIf you own a 3.0 Duramax Silverado, Sierra, Tahoe, Yukon, Suburban, or Escalade, this episode is packed with the latest maintenance tips, service information, and real-world dealership experience.📚 Duramax maintenance guides & technical articles:https://duramaxnews.com🛒 Parts & upgrades:https://demonworkshop.comIf this video helped you, consider subscribing and turn on notifications so you don't miss future 3.0 Duramax updates, recalls, technical bulletins, maintenance tips, and product testing.Topics Covered00:00 Introduction00 GM PCV Recall Update00 Charge Air Cooler Pipe Bulletin00 Turbo Resonator Oil Leak Explained00 PPE Billet Resonator Delete00 Acoustic Camera Testing00 0W-20 vs 5W-30 Oil Test Update00 LM2/LZ0 Engine Build Update#30Duramax #Duramax #Silverado #Sierra #LZ0 #LM2 #DieselTruck #GMTech #DuramaxNews #DieselMaintenance
- Jun 29, 202620 min
GM Wants Your 3.0 Duramax Engine Back?! PPE Bypass Valve is still the best
In this episode, we cover a new GM engine monitoring program, the 2024 3.0 Duramax PCV recall, and take a deep dive into the 10L80 transmission bypass valve options—including the factory thermostat, the Barbell modification, and the PPE Full Flow Bypass Valve.📖 Read the latest 3.0 Duramax news and articles here:👉 https://duramaxnews.com (replace with the specific article if you have one)✅ PPE vs Factory vs Barbell transmission bypass valves✅ Why I switched back to the PPE Full Flow Bypass Valve✅ New PPE 10L80 transmission filters✅ 2026 transmission cooler differences you need to know✅ Removing the active grille shutters for summer cooling✅ PPE engine oil pan thoughts after long-term testing✅ LM2 teardown update (106,000-mile engine)✅ LZ0 thrust bearing & oil filter inspection update✅ GM's new Engine Field Monitoring Program (they may actually request your engine!)✅ 2024 Silverado & Sierra 3.0 Duramax PCV emissions recall updateIf you own a 3.0 Duramax LM2 or LZ0, this episode is packed with maintenance tips, technical updates, product testing, and real-world experience from a GM technician.🛒 Parts & Upgrades:https://demonworkshop.com📰 Duramax News:https://duramaxnews.com📞 Have a question for the podcast?Leave a voicemail using the phone number in the description, and your question may be featured in a future episode.👍 If you enjoy honest testing, dealership insight, and practical maintenance information for the 3.0 Duramax, consider subscribing. New podcast episodes are released every Sunday.#30Duramax #Duramax #Silverado #Sierra #LM2 #LZ0 #DieselTruck #PPE #10L80 #DemonWorks00:00 Introduction00:48 Transmission Bypass Valve Overview02:15 PPE vs Factory vs Barbell Comparison05:20 Superior Solutions Spring Kit Review07:35 Why I Recommend the PPE Full Flow Bypass Valve09:05 2026 Transmission Cooler Changes10:20 New PPE 10L80 Transmission Filter11:35 Active Grille Shutters Explained13:00 PPE Engine Oil Pan & Extra Oil Capacity14:40 LM2 Teardown Update15:45 LZ0 Oil Filter & Thrust Bearing Update17:05 GM Wants Your Engine? New Field Monitoring Program18:55 2024 3.0 Duramax PCV Recall Update20:15 Final Thoughts & Viewer Questions
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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