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Fresh Off The Press
2027 Chevy Silverado HD Order Guide Is Out: L6P Duramax and L8S Gas Engine Changes Confirmed
The Big Change: L5P Becomes L6P / The Gas Engine Changes Too: L8T Becomes L8S
10L80 Transmission Filter Differences: Gen 2 vs. Gen 3, ACDelco vs. PPE
Not all GM 10L80 transmission filters are the same. We compare the ACDelco Gen 2, updated Gen 3, and PPE 10L80 filters, explain the differences, which filter works with each valve body generation, and why identifying the correct filter matters before ordering. We also cover one-time-use filter bolts, PPE deep pan compatibility, and where to buy the correct 10L80 service parts.
2027 Silverado 3.0L Duramax Extended-Range Fuel Tank Confirmed
Rumors of an extended-range fuel tank for the 2027 Silverado 3.0L Duramax have circulated for months. An actual 2027 Silverado ZR2 retail order now confirms GM option NLA — Fuel Tank, extended range — alongside the LZ0 3.0L Duramax. Here's what we know and, just as importantly, what remains unconfirmed.
6.6L Duramax Diesel Engine
2027 Chevy Silverado HD Order Guide Is Out: L6P Duramax and L8S Gas Engine Changes Confirmed
The Big Change: L5P Becomes L6P / The Gas Engine Changes Too: L8T Becomes L8S
New GM Emissions Recall N242438500: 2024 L5P Duramax SCR Fault Detection
General Motors has launched a new emissions recall that affects certain 2024 Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the 6.6L L5P Duramax. Recall ID: N242438500 Title: ECM OBD – Selective Catalyst Reduction (SCR) Fault Detection Release Date: November 2025 Applies To: 2024 Chevrolet Silverado 2500HD / 3500HD (L5P 6.6L Duramax) 2024 GMC Sierra 2500HD / 3500HD (L5P 6.6L Duramax) This is a voluntary emissions recall focused on the software that monitors
EPA Issues Guidance to Fix DEF Derates: What the New Rule Means for Your 3.0 Duramax
If you’ve been driving your 3.0 Duramax-equipped truck or SUV, you're likely familiar with the frustration of a Diesel Exhaust Fluid...
3.0L Duramax Diesel Engine
GM Investigating Possible Misfire Issue in Some 2026 3.0L Duramax Vehicles
GM bulletin #PIE0932 confirms the automaker is investigating an injector-related check-engine light and possible misfire condition affecting some 2026 vehicles equipped with the 3.0L LZ0 Duramax diesel. A root cause and standardized repair have not yet been announced.
Top 5 DEXRON ULV Transmission Fluids for GM 10-Speed Transmissions
Looking for the best Dexron ULV transmission fluid? We ranked the top five ULV fluids for GM 10-speed transmissions, comparing TRIAX, ACDelco, Valvoline, AMSOIL, and Hot Shot's Secret using real viscosity data, technical specifications, and OEM compatibility.
GM Y181 Update Explained: Silverado & Sierra OTA Update 661.51 Arrives for Owners
GM has released OTA update 661.51 for Silverado and Sierra trucks. The Y181 software update includes HVAC fixes, TPMS improvements, key detection updates, pedestrian alert changes, improved starting reliability, reduced check engine light activation, turbo diagnostic improvements, and power running board reliability enhancements.
Other Diesel News
GM Google Gemini Update Now Available: How to Upgrade Your Duramax Truck’s Assistant (Step-by-Step Guide)
Google Gemini — the smarter, more conversational AI — is now rolling out to 2022+ Duramax trucks and other GM vehicles with Google Built-in. In this guide we break down exactly why you’ll want the upgrade, plus the official step-by-step process from GM Service Bulletin #26-NA-127 to check your Android version, update Maps & Assistant, and activate Gemini in minutes.
Ready to ditch the old Google Assistant for a much more capable co-pilot? Full guide and how-to inside.
LEGAL TO DELETE? NO. But, EPA Rescinds the 2009 Endangerment Finding: What It Actually Means for 3.0 Duramax Owners
The EPA has rescinded the 2009 Endangerment Finding, but what does that actually mean for diesel owners? Here’s a clear breakdown of how the change affects greenhouse gases, the Clean Air Act, and 3.0 Duramax emissions systems.
RECALL - Automatic Exterior Lights May Not Activate As Required
NOTE- Canadian Trucks Only N232431050-10: CMVSS Noncompliance Recall - Automatic Exterior Lights May Not Activate As Required - (Mar 26,...
Buyers Market -
2027 Chevy Silverado HD Order Guide Is Out: L6P Duramax and L8S Gas Engine Changes Confirmed
The Big Change: L5P Becomes L6P / The Gas Engine Changes Too: L8T Becomes L8S
10L80 Transmission Filter Differences: Gen 2 vs. Gen 3, ACDelco vs. PPE
Not all GM 10L80 transmission filters are the same. We compare the ACDelco Gen 2, updated Gen 3, and PPE 10L80 filters, explain the differences, which filter works with each valve body generation, and why identifying the correct filter matters before ordering. We also cover one-time-use filter bolts, PPE deep pan compatibility, and where to buy the correct 10L80 service parts.
2027 Silverado 3.0L Duramax Extended-Range Fuel Tank Confirmed
Rumors of an extended-range fuel tank for the 2027 Silverado 3.0L Duramax have circulated for months. An actual 2027 Silverado ZR2 retail order now confirms GM option NLA — Fuel Tank, extended range — alongside the LZ0 3.0L Duramax. Here's what we know and, just as importantly, what remains unconfirmed.
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