3.0 Duramax Podcast: Buying Used under 75k Miles? Here’s What Most People Miss

3.0 Duramax Podcast: Buying Used under 75k Miles? Here’s What Most People Miss

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

3.0 Duramax Podcast - Will GM Say it's Ok to run 0w30 ? Oil Consumption

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 Bulletin 22-NA-027 (camshaft cover concerns)Catch cans and how oil vapor enters the intakeBreak-in period differences (LM2 vs LZ0)How to properly check engine oilWhat GM considers “acceptable”Oil and Dexron ULV transmission fluid shortagesAutoZone leaked memo discussion: With recent oil shortage concerns and a leaked AutoZone memo suggesting manufacturers may approve alternative viscosities, could thicker oil become acceptable?This episode discusses what that might mean for warranty concerns — while clarifying that no official change has been announced.Upcoming DemonWorks contentIf you own a 3.0 Duramax, this episode will help you understand what’s normal, what’s not, and how to protect your truck long-term.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 00:00 – Welcome to Episode 19 01:30 – Email From a New 3.0 Owner 04:30 – Was the Engine Underfilled? 07:00 – GM Bulletin 22-NA-027 Explained 09:45 – Camshaft Cover & Oil Vapor Design 12:15 – Catch Can Discussion (Winter Warning) 16:00 – GM’s Official Oil Consumption Guidelines 18:30 – 1 Quart per 2,000 Miles Breakdown 20:45 – Break-In Period & LZ0 Oil Use 22:15 – Proper Way to Check Oil 23:40 – Oil & Transmission Fluid Shortages 25:45 – AutoZone Leak Discussion26:50 – Episode 20 Teaser

3.0 Duramax Podcast - P2002 - Oil Pan Improvement Update - New Radiator information

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-the-air update• GM’s redesigned oil pan — and exactly how much oil drained out• Upcoming scan tool testing (and what I want YOU to see tested)If you own a 3.0 Duramax, this episode could save you time, money, and a major headache.👨‍🔧 I’m Greg — GM technician and founder of Demon Works. Everything I run, test, and sell gets proven on my own truck first.More tech resources:• duramaxnews.com• demonworkshop.comDrop your scan tool test suggestions in the commentshttps://www.duramaxnews.com Update to the new design engine oil Pan / P2002 Codes popping up after OTA update / Emissions test not passing / Dexron ULV available in Gallon Jugs / Motul 5w30 and 0w30 information ....0:00 – Intro & What’s Covered Today1:15 – New Dexron ULV Fluid Update3:00 – Sumo Springs & Rear Sag Fix5:00 – CSF vs OEM Radiator Comparison9:45 – My Radiator Leak (What I Found)11:00 – Emissions Readiness Drive Cycle Explained15:00 – P2002 Code After OTA Update17:00 – LZ0 Thrust Bearing Update18:00 – New GM Oil Pan Drain Results19:00 – Scan Tool Testing (Your Input Needed)

3.0 Duramax Podcast: DEF Towing Issues tested - Fixed? OTA Update's and Gemini coming

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 warning fix updateGM bulletin 22-NA-150 explainedGM bulletin 24-NA-196 explainedEngine Control Module (ECM) updatesInstrument Panel Cluster (IPC) software updatesReductant Control Module updatesReal towing fuel economy (ZR2 on 35s)DEF consumption during towing3.0 Duramax regeneration intervalsLM2 engine teardown discussion (I Do Cars analysis)Timing chain failure vs oil starvation debateOil consumption concerns in early LM2 enginesOver-the-air (OTA) updates explainedGemini update coming to GM trucksI DO Cars Teardown #3: https://www.youtube.com/watch?v=3g79j56AO3AFor 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: www.demonworkshop.comFuel 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!00:00 – 3.0 Duramax Podcast | DEF Issues, LM2 Failure Debate & Gemini Update03:54 – 3.0 Duramax DEF Warning While Towing (2024–2025 Silverado & Sierra)06:47 – GM Bulletin 22-NA-150 & 24-NA-196 Explained | DEF Sensor & Fill Problem Fix10:51 – Real World 3.0 Duramax Towing Test After GM Update | 924 Miles, 16–17 MPG16:32 – LM2 Engine Failure Breakdown | Timing Chain vs Oil Starvation (I Do Cars Response)23:35 – Gemini AI Update for GM Trucks | Bulletin 26-NA-127 Explained25:41 – GM Over-The-Air (OTA) Updates Explained | Why Your Truck Isn’t Updating35:09 – Should You Install the Gemini Update? What to Know Before Accepting

3.0 Duramax Podcast - Oil Analysis - OTA Updates - NEW PPE PRODUCT

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 = 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!0:00 Intro & Channel Update1:45 Oil Analysis Overview (0W30 vs 5W30)4:05 Remote Start Test – Fuel Dilution Results7:15 SNB Intake Update & Regen Changes10:05 Towing Test Preview (Corvette Tow)12:10 GM ECM & Over-The-Air Updates (499.2)15:45 2027 3.0 Duramax Rumors17:10 Engine Oil Bypass Kit (Amsoil Setup)18:35 PPE Oil Filter Comparison (5 Micron vs 10 Micron)20:15 Boost Auto Amber DRLs & Interior Light21:45 Wrap-Up & Community Questions