Category: GMC Sierra HD

The definitive resource for GMC Sierra 2500HD and 3500HD owners. From breaking news and hands-on reviews to technical breakdowns of the 6.6L Duramax and Allison transmission, we cover the entire heavy-duty lineup. Whether you are maximizing your fifth-wheel towing capacity, researching Denali Ultimate features, or troubleshooting a service code, find the expert insights you need to keep your Sierra HD working hard.

Why Your Newer Silverado HD Headlights Are Randomly Quitting (And GM’s Fix)
Why Your Newer Silverado HD Headlights Are Randomly Quitting (And GM’s Fix)
Having your exterior lights randomly stop working is never a fun experience—especially when you’re relying on a heavy-duty rig after dark. If you own a...
Missing Camera Grid Lines? GM Details Fix for Silverado and Sierra Surround Vision Issues
Missing Camera Grid Lines? GM Details Fix for Silverado and Sierra Surround Vision Issues
GM’s Surround Vision Camera system is easily one of the most useful features on modern trucks. Whether you’re trying to perfectly align a trailer hitch...
GM Issues Rare “Do-Over” Recall for Terrifying Diesel Truck Lock-Up Defect
GM Issues Rare “Do-Over” Recall for Terrifying Diesel Truck Lock-Up Defect
General Motors is issuing a follow-up recall for a select number of heavy-duty and light-duty trucks that were previously serviced for a terrifying rear-wheel lock-up...
GM Transparent Trailer Fix: Solving Calibration Issues for Trailers Over 119 Inches
GM Transparent Trailer Fix: Solving Calibration Issues for Trailers Over 119 Inches
If you have spent the last few weeks driving in circles around an empty parking lot trying to get your GM Transparent Trailer system to...
Blank or Black Screen on Your GM Truck or SUV? Here’s What to Check First
Blank or Black Screen on Your GM Truck or SUV? Here’s What to Check First
Your screen goes black. No speedometer. No backup camera. No infotainment. Just a dark slab of glass staring back at you. Maybe it comes back...
What Do GM’s New 5.7L and 6.7L V8 Rumors Mean for the 2027 Silverado and Sierra 1500?
What Do GM’s New 5.7L and 6.7L V8 Rumors Mean for the 2027 Silverado and Sierra 1500?
Gas trucks are not dead. Far from it. But the next generation of Chevrolet and GMC Small Block V8 engines is “bigger” news for those...
Chirp & Squeak? Why Your GM 6.2L & 6.6L V8 Sounds Different—And Why It’s Normal
Chirp & Squeak? Why Your GM 6.2L & 6.6L V8 Sounds Different—And Why It’s Normal
If you own a Chevy Silverado, GMC Sierra, Tahoe, Yukon, or even a Cadillac Escalade with the 6.2L L87 or 6.6L L8T V8, you might...
Dashcam Shows Terrifying Moment When A GMC Sierra HD’s Rear Wheels Lock-Up While Hauling a Fifth Wheel
Dashcam Shows Terrifying Moment When A GMC Sierra HD’s Rear Wheels Lock-Up While Hauling a Fifth Wheel
Months after General Motors announced a major recall affecting nearly 462,000 diesel-powered trucks and SUVs, new footage has emerged that puts this issue into stark...
15 Years of Free Repairs? GM Will Cover Diesel Truck and SUV Transmission Lock Up Issues
15 Years of Free Repairs? GM Will Cover Diesel Truck and SUV Transmission Lock Up Issues
If you’ve been following the rear wheel lock-up recall story we covered earlier, GM has just added another big piece of news that should catch...
Chevrolet – GMC – Cadillac – Buick Window Sticker Generator
Chevrolet – GMC – Cadillac – Buick Window Sticker Generator
Welcome to our Chevrolet, GMC, Cadillac & Buick Window Sticker Generator—your go-to resource for accessing original digital copies of any late model General Motors vehicle’s...
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