Category: AT4X

Venture into the wild with AT4X: reviews, off-road news, and adventure guides. The GMC AT4X lineup is where capability meets luxury

Camouflaged 2027 Chevrolet Silverado prototype testing on public roads, showcasing revised exterior design, updated lighting, and potential suspension changes.

2027

2027 Chevy Silverado Spied with Quad Exhaust, Off-Road Upgrades & High-Tech Interior

Just weeks after our first look at the next-generation Chevrolet Silverado, we’ve obtained even more photos that give us our best view yet of the upcoming full-size truck. This latest prototype showcases new production-spec lighting, changes to the suspension, and even a glimpse at the interior, confirming some significant updates for the next-generation Silverado. Let… Continue reading 2027 Chevy Silverado Spied with Quad Exhaust, Off-Road Upgrades & High-Tech Interior

A GMC Sierra AT4X parked on a rocky riverbank, showcasing its off-road capability.

Squeaky or Clunking Rear Leaf Spring on 2020-2025 Silverado & Sierra Duramax? Here’s Why.

If you own a 2020-2025 Chevrolet Silverado 1500 or GMC Sierra 1500 with a 3.0L Duramax LM2 or LZ0, you might have noticed an annoying squeak or clunk coming from the left rear leaf spring. Turns out, there’s a reason for it-and GM has a solution. This issue is caused by diesel fuel contamination. When… Continue reading Squeaky or Clunking Rear Leaf Spring on 2020-2025 Silverado & Sierra Duramax? Here’s Why.

Chevrolet Silverado ZR2 parked in the desert alongside a 6.2L L87 V8 engine, highlighting normal operational noises in GM’s powerful truck engines.

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 have noticed some unexpected noises from under the hood. Maybe a chirp, squeak, or sputter caught your ear while idling or restarting. It’s easy to assume something’s wrong, but GM… Continue reading Chirp & Squeak? Why Your GM 6.2L & 6.6L V8 Sounds Different—And Why It’s Normal

A Chevrolet Silverado ZR2 and a 6.2L L87 V8, which is under investigation by the NHTSA for a high rate of failue

NHTSA Investigates Chevrolet Silverado / GMC Sierra L87 6.2L V8 Engines for Potential Failure

The National Highway Traffic Safety Administration (NHTSA) has launched a Preliminary Evaluation (PE25001) into potential safety issues related to General Motors’ 6.2L V8 engines, designated as the L87. This investigation targets engine failures in over 877,000 vehicles manufactured between 2019 and 2024, including popular GM truck and SUV models such as the Chevrolet Silverado, GMC… Continue reading NHTSA Investigates Chevrolet Silverado / GMC Sierra L87 6.2L V8 Engines for Potential Failure

Dashcam footage from a 2020 GMC Sierra 2500HD Diesel on a highway moments before experiencing rear wheel lock-up due to a transmission failure.

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 focus. A recent video posted by an owner of a 2020 GMC Sierra 2500HD Diesel demonstrates exactly what happens when the 10-speed automatic transmission fails due to the defect tied… Continue reading Dashcam Shows Terrifying Moment When A GMC Sierra HD’s Rear Wheels Lock-Up While Hauling a Fifth Wheel

Chevrolet and GMC Window Sticker Generator example with 2024 GMC Acadia Denali details, pricing, and features

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 window sticker. Whether you’re buying, selling, or just curious about your vehicle’s features, this GM-Trucks.com tool gives you instant access to your original window sticker straight from General Motors in… Continue reading Chevrolet – GMC – Cadillac – Buick Window Sticker Generator

2024 GMC Sierra Denali in black, affected by a GM speaker crackling issue reported in recent models.

phone

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. I recently started noticing this in my vehicle and decided to dig into what might be causing it. After some research, I found out that GM is aware of the… Continue reading Why Is My Silverado’s Speakers Crackling During Phone Calls? Here’s What I Found

2022 Chevrolet Silverado 2500HD with Duramax Diesel Engine driving off-road in a forest

2020

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 a risk of momentary rear wheel lock-up. This issue primarily impacts diesel-powered 2020-2022 Chevrolet Silverado, GMC Sierra models, and several 2021 SUVs. GM-Trucks.com readers who own or are considering one… Continue reading GM Issues Massive Trucks & SUV Recall for Rear Wheel Lock-Up: Everything You Need to Know

Two Chevrolet Silverado ZR2 pickup trucks parked in a snowy wooded area.

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 alone. Dealerships have received inquiries about this, prompting a service bulletin (PIT6244) to address what might seem like a missing indicator. Here’s a straightforward explanation of what’s happening and why… Continue reading 2024 & 2025 Silverado / Sierra Owners Experience 4WD Indicator Confusion