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The 3.0 Duramax Podcast

Advertise on podcast: The 3.0 Duramax Podcast

Rating
★★★★★
4.9
from
18 reviews
This podcast has
34 episodes
Language
English
Explicit
No
Date created
2025/12/18
Latest episode
2026/10/12
Average duration
20 min.
Release period
9 days

Description

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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Red Dyed Diesel in Your Duramax? GM Responds on Warranty!
2026/10/12
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
Want Better MPG From Your 3.0 Duramax? Stop Buying This Stuff
2026/10/10
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!
Motul Results + 2027 Order Guide is out - 3.0 Duramax Podcast 31
2026/09/28
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
GM Just Revealed Major 2027 3.0 Duramax Updates
2026/09/20
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
Your 3.0 Duramax MAP Sensor Could Be Causing Problems
2026/09/14
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
Properly Fill Transmission with PPE Bypass Valve? Long Term Ownership for 3.0 Duramax?
2026/08/24
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.
MPG Loss or Gain with Bed Shell ? Doc's Def Fluid and Additive Tested - New PPE Product - Podcast 27
2026/08/23
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 !
3.0 Duramax Bypass System + Surprising Oil Analysis Results
2026/08/10
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 #DemonWorks 00:00 3.0 Duramax Podcast 02:18 New Diesel Buyer’s Report 03:40 Testing Premium DEF Fluid & Additive 04:57 This Acoustic Camera Blew Me Away 06:42 Open Road Aluminum Truck Cap 07:55 Catch Cans, Transmission Pans & Shop Updates 09:03 TRiAX ULV Transmission Fluid 11:34 Motul 5W-30 Oil Analysis Results 15:40 Fan Giveaway 16:34 Scan Tools & What’s Coming Next
I Didn't Expect to End Up With TWO 3.0 Duramax Engines - Podcast Episode 25
2026/08/03
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
3.0 Duramax Podcast: PCV Recall / Resonator Leak / Charge Pipe Causing Stalling
2026/07/12
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
GM Wants Your 3.0 Duramax Engine Back?! PPE Bypass Valve is still the best
2026/06/29
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 update If 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
3.0 Duramax Podcast: LZ0 Thrust bearing issue / LM2 100k miles Teardown
2026/06/22
We Discuss the recent LM2 Engine Teardown video where I show the bearings of a 100,000+ mile LM2 engine with a life of 8,000+ mile oil change intervals. We discuss Lake Speed Jr.s recent video talking about 0w20 / 0w30 / 0w40 and how AC Delco 0w20 engine oil is poop. https://www.demonworkshop.comhttps://www.duramaxnews.comhttps:BanksPower.com/demonworks DISCOUNT CODE DemonWorksLZ0 Engine Teardown video: https://www.youtube.com/watch?v=to-UC_LXz_8LM2 Engine Teardown Video: https://www.youtube.com/watch?v=DAKUmCFJ7gELake Speed Video: https://www.youtube.com/watch?v=2rXlLW1iZUQ
2027 Silverado unveiled - First impressions and Thoughts
2026/06/17
Today we were shown the first official images of the 2027 Silverado and I provide my initial thoughts on it. https://www.duramaxnews.com Banks Power Discount Code: DemonWorks00:00 Unveiling the 2027 Silverado Truck02:26 Design Features and Variations05:26 Engine Specifications and Performance07:51 Interior Innovations and Technology10:49 Trim Levels and Customization Options13:04 Final Thoughts and Future Expectations
Why This 3.0 Duramax Took a Week to Tear Down & Lower MPG with additives?
2026/06/15
In this episode of the 3.0 Duramax Podcast, I share what happened when I started tearing down a 3.0 Duramax engine and discovered four completely seized injectors. What should have been a straightforward teardown turned into a week-long battle involving penetrating oil, sledgehammers, cutting injectors apart, and eventually removing the cylinder head with the injectors still attached.We also discuss an important change to the 2026 Silverado and Sierra transmission cooler, answer 10 viewer questions, and cover topics including turbocharger failures, fuel additives, towing practices, oil drain plugs, fuel system concerns, and more.Whether you own an LM2 or LZ0, this episode is packed with real-world information from the dealership and the shop.🔧 Topics Covered:• 2026 transmission cooler changes• 4 seized injectors on a 3.0 Duramax teardown• Turbo cooldown after towing• LZ0 turbo failures• Fuel additives and fuel economy• Magnetic drain plugs• Tahoe/Yukon buying advice• Engine replacement vs resealing• MOTUL oil update• OTA update code P2002• Metal flakes in fuel filters📞 Have a question for a future podcast? (801) 209 9503Leave a voicemail using the number in the description or post your question in the comments.🌐 Duramax News:https://duramaxnews.com🛒 Parts & Upgrades:https://demonworkshop.comDiscount Codes:Banks Power - DemonWorksWeigh-Safe - DW10🎥 Subscribe for more 3.0 Duramax content, tech breakdowns, maintenance tips, and dealership insights.#Duramax #30Duramax #LM2 #LZ0 #Silverado #Sierra #Tahoe #Yukon #DieselTruckTimestamps00:00 Intro01:12 2026 transmission cooler changes03:05 My 3.0 Duramax teardown nightmare begins04:25 Four seized injectors discovered06:35 Upcoming LZ0 teardown and thrust bearing inspection07:40 Viewer Question #1: Archoil and fuel economy11:05 Viewer Question #2: Should you cool down the turbo after towing?14:05 Viewer Question #3: Turbo failure at 33,000 miles17:15 Viewer Question #4: Magnetic drain plugs and the new 2026 oil pan20:15 Viewer Question #5: Best Tahoe/Yukon years with the 3.0 Duramax22:00 Viewer Question #6: Engine reseal vs engine replacement24:05 Viewer Question #7: MOTUL oil update and oil analysis plans25:10 Viewer Question #8: P2002 OTA update issue and dealership charges26:20 Viewer Question #9: Metal flakes found during a fuel filter change27:35 Final thoughts and viewer questions
3.0 Duramax Podcast: Buying Used under 75k Miles? Here’s What Most People Miss
2026/06/08
In this podcast, I break down exactly what you should look for when purchasing a used Silverado or Sierra with the 3.0 Duramax — especially trucks under 75,000 miles. From suspension noises and oil leaks to scanning for hidden codes and checking Carfax history, we cover the real-world details most buyers miss.As a GM technician who works on these trucks daily, I’ll walk you through:• What years I personally recommend (LM2 vs LZ0)• What to listen for during a test drive• How to spot suspension and tire wear issues• What to check underneath for oil leaks• Why service history matters more than mileage• Recent GM bulletins every 3.0 Duramax owner should know aboutWe also discuss a $800 LM2 engine I picked up and what its service history reveals — which is a perfect real-world example of why maintenance records matter.📞 Shop Phone Number (Call or Leave a Voicemail Question): (801) 209-9503If you have a question about your 3.0 Duramax or want it featured on the podcast, leave a voicemail.📝 Updated 3.0 Duramax Maintenance Article: https://www.duramaxnews.com/post/3max-maintenance-scheduleFull breakdown of service intervals and maintenance recommendations.🛢 Oil Leak Inspection Video (Must Watch Before Buying Used): https://youtu.be/be9u3XdSIk8Common leak locations and what to look for underneath the truck.⚙️ MAP Sensor Video (Related to Recent GM Bulletin): https://youtu.be/f2uBXmtPPpwHow to locate and inspect the MAP sensor if you’re seeing unusual codes.• Fuel temp reading 419°F & related codes• OTA updates triggering P2002 codes• Normal condensation-related misfire concernsThis is the 3.0 Duramax Diesel Podcast. I’m Greg — a GM technician and the owner of Demon Works. We create in-depth technical videos and real-world breakdowns specifically for 3.0 Duramax owners.And if you’re shopping for a used 3.0 Duramax — don’t skip the links below.For products, check out https://www.demonworkshop.comBanks Discount Code = DEMONWORKS https://www.bankspower.com/demonworksTrailer Tester: https://amzn.to/4t2xzmhGREEN 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!Resources:DuramaxNews.comDemonWorkshop.com 0:00 Intro – Big Updates & Episode Overview1:12 Viewer Question: Buying a Used 3.0 Duramax2:05 Best Model Years (LM2 vs LZ0)3:10 What to Listen For During a Test Drive4:20 Scan for Codes Before You Buy5:10 Check for Oil Leaks (Common Areas)6:05 Why Carfax & Service History Matter7:15 Suspension Noises & Tire Wear Issues8:25 Final Buying Advice (Before You Sign)9:10 New GM Bulletin: 419° Fuel Temp Codes10:35 OTA Updates Triggering P2002 Code11:45 “Normal” Misfire? GM’s Explanation13:10 The $800 3.0 Duramax Engine Story14:40 Service History Breakdown (What It Revealed)16:00 Upcoming Engine Teardown Plans17:10 Call In With Your Questions / Closing

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