The 3.0 Duramax Podcast

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) ✅...

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...

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 an...

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 disc...

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...

In Episode 19 of the 3.0 Duramax Podcast, Greg (GM Technician & host of Demon Works) breaks down one of the most debated topics in the Duramax community:Engine oil consumption. GM states that up to 1 quart every 2,000 miles may be considered normal under certain conditions — but what does that really mean for owners? In this episode we discuss:Oil consumption email from a new 3.0 ownerGM Bulle...

In this episode of the 3.0 Duramax Podcast, I break down the REAL differences between the new CSF radiator and OEM — including core thickness, fin density, side tank construction, and long-term durability concerns. We also cover:• Why some 3.0 Duramax trucks won’t pass emissions• The correct drive cycle procedure to complete IM readiness monitors• What to do if you get a P2002 code after an over-t...

If you own a 3.0 Duramax diesel (LM2 or LZ0) and you’ve experienced the frustrating DEF warning messages while towing, this video is for you. https://www.duramaxnews.com/post/gm-google-gemini-update-duramax-guide-2026In this episode of the 3.0 Duramax Podcast, I put GM’s latest software updates to the test during a 900+ mile real-world towing trip from Utah to Las Vegas. We cover:3.0 Duramax DEF w...

We are discussing topics related to the 3.0 Duramax Diesel - Today we are talking about the Over The Air Updates (OTA UPDATES), Mobil 1 0w30 Oil analysis (is it ok to remote start and idle in winter? Do oiled filters show more dirt in oil analysis?) 3.0 duramax Amsoil bypass video: https://www.youtube.com/watch?v=dcPM2cgkZUcFor products, check out https://www.demonworkshop.comBanks Discount Code =...

In this episode of the 3.0 Duramax Podcast, we discuss recent events that damaged the QATAR Plant and will have a direct hit to our oil supply. Get your engine oil now ! GM has some new engine oil filters for the 3.0 duramax PF66 - we discuss some of those changes. Recent video posted by DEMONWORKS shows how to check the front suspension on the Silverado 1500 - we discuss why that is important. Fo...

https.com//www.duramaxnews.com In this podcast we discuss the oil bypass kit available from Insane Diesel as well as the engine oil cooler upgrade. We also answer two viewer questions about cooling system smells and leaks as well as transmission bypass valve / warranty implications. For products, check out https://www.demonworkshop.comBanks Discount Code = DEMONWORKS https://www.bankspower.com/dem...

The 3.0 Duramax Podcast, Home of The 3MAX ! We answer your questions related to intakes, transmission service and Oil Choice on deleted truck. Glow Plug differences as well as a discussion on the new 3.0 Duramax GM Oil pan. https://bankspower.com/demonworksDiscount Code DEMONWORKShttps://weigh-safe.com - Discount Code DW10As an Affiliate / Influencer, I earn from qualifying purchases. Your support...

https://www.duramaxnews.com 3Max 3.0 Duramax will be in the 2027 new trucks, thrust bearing failures are taking place in the 2024 trucks as well, but why not the LM2? And we answer an email from a viewer about the new info coming out on oil pump belt potential issues when using the wrong oil. As an Affiliate / Influencer, I earn from qualifying purchases. Your support is appreciated as it helps th...

https://www.duramaxnews.com 3Max 3.0 Duramax had some big updates come up in the past few weeks. Engine Oil pan has been redesigned and DEF warnings on the dash have been corrected with calibration changes. We discuss a new engine oil that will be run in the 24 ZR2 to see how well it performs (Motul 5w30). We answer a question from a viewer about a def injector replacement and discuss the move !

Did the EPA just make diesel deletes legal? Over the last few days, headlines about the 2009 Endangerment Finding being rescinded and auto start/stop credits being removed have caused a lot of confusion in the diesel world. Many 3.0 Duramax owners are asking whether emissions rules were rolled back and whether DEF or DPF systems could be going away. In this episode, I break down what was actually...

Is 300,000 miles on a 3.0 Duramax realistic, or just a fantasy? In this episode of DemonWorks, we move past the internet rumors and break down real-world reliability data from over 200 owners. We reveal the actual failure rates of the LM2 and LZ0 engines, identifying what breaks, what lasts, and who is actually hitting high mileage. Plus, we dive into your technical questions: How to properly conf...

In this episode, you’ll learn exactly what changed from the Gen 2 to Gen 3 10L80 valve body and why it matters for LM2 & LZ0 Duramax owners. https://www.demonworkshop.com https:///www.duramaxnews.comGen 2 valve body failures (wear, TCC shudder, wheel lock recalls)What GM fixed with the Gen 3 valve body (25-NA-334)Why the Gen 3 is backward compatible — and what must be programmedNextGen Project...

Aftermarket intakes on the 3.0 Duramax generate a lot of questions — and a lot of misinformation. In this episode, I answer the most common intake questions owners ask, including power gains, MAF accuracy, EGR interaction, MPG changes, intake design, and why sound doesn’t always equal airflow. This is a data-first, no-hype discussion focused on how the 3.0 Duramax actually uses airflow and sensor...

Do you really need an extended warranty when buying a vehicle? In this episode, a GM dealership technician breaks down how extended warranties actually work , the loopholes that can get claims denied , and what most dealers don’t tell you before you sign. From costly repairs to hidden contract traps, this episode will help you decide if an extended warranty is truly worth it for you. https://www.d...

We discuss 2 different stories of people buying used - One May need a repalcement engien while the other just wants it to last a long time ! Also, PPE Oil filters are being copied and they are almost identical until you really start to see the differences which could cause severe damage ! www.youtube.com/demonworks www.bankspower.com/demonworks Banks Discount Code = DemonWorks 00:00 Buying Used 3....

Welcome to Episode 4 of the 3.0 Duramax Podcast — built for new 3.0 Duramax (LZ0/LM2) owners and anyone using their truck for heavy-duty work like towing, long idling, or snowplowing. https://www.bankspower.com/demonworks Discount Code DemonWorks https://www.duramaxnews.com www.archoil.com Discount Code DemonWorks www.weigh-safe.com Discount Code DW10 The break-in period (what GM says at 500 miles...

In this episode, we take a deep dive into the LZ0 3.0 Duramax thrust bearing failures that have been making waves across the diesel community — specifically affecting some 2025 and 2026 model year trucks and SUVs . I break down what’s actually happening, what GM has (and hasn’t) said, and share my real-world observations as a GM technician who has seen these failures firsthand. We talk about what...

In this episode, I answer three listener questions that are better suited for the podcast format, including when it actually makes sense to use a block heater, what the “best” year of the 3.0 Duramax really means, and how certain topics are handled differently on the podcast versus YouTube. We also start a broader discussion around emissions deletes—why the topic comes up so often, how it’s common...

In this episode, I answer real viewer questions pulled directly from YouTube — the same questions I hear every day as a GM technician. We cover 5W-30 oil use in the 3.0 Duramax, early oil changes and engine break-in, blowby expectations, LM2 teardown findings, LZ0 improvements, long-term wear concerns, engine swaps, and what the future looks like for the 3.0 Duramax platform. No speculation. No wa...