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.

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...
Why Is My Silverado’s Speakers Crackling During Phone Calls? Here’s What I Found
Why Is My Silverado’s Speakers Crackling During Phone Calls? Here’s What I Found
If you’re driving a 2022–2024 Chevrolet or GMC vehicle and experiencing annoying crackling or static sounds from the speakers during phone calls, you’re not alone....
Understanding the “GCW Overweight” Messages In Your Chevy Silverado or GMC Sierra
Understanding the “GCW Overweight” Messages In Your Chevy Silverado or GMC Sierra
If you own a Chevrolet Silverado or GMC Sierra and tow trailers, you might see a “GCW Overweight” message appear in your gauge cluster. It’s...
GM Issues Massive Trucks & SUV Recall for Rear Wheel Lock-Up: Everything You Need to Know
GM Issues Massive Trucks & SUV Recall for Rear Wheel Lock-Up: Everything You Need to Know
General Motors has issued a significant recall affecting hundreds of thousands of Chevrolet, GMC, and Cadillac trucks and SUVs in the GM lineup due to...
2024 & 2025 Silverado / Sierra Owners Experience 4WD Indicator Confusion
2024 & 2025 Silverado / Sierra Owners Experience 4WD Indicator Confusion
If you’ve recently started up your 2024–2025 Chevrolet Silverado or GMC Sierra and noticed that the four-wheel drive (4WD) indicator isn’t immediately visible, you’re not...
The Small Block Turns 70: A Look Back At The Heart Of Chevrolet
The Small Block Turns 70: A Look Back At The Heart Of Chevrolet
Chevy’s small-block V8 has been a constant in American trucks for seven decades, powering generations of drivers from job sites to backcountry roads. Since its...
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