Category: Sierra AT4X

Category: Sierra AT4X

Conquer the off-road with GMC Sierra AT4X: detailed reviews, adventure news, and rugged features. The go-to for AT4X enthusiasts.

2023 Chevrolet Silverado & GMC Sierra Oil Capacity / Grade / Filter Quick Reference

Quick Reference Guide

2023 Chevrolet Silverado & GMC Sierra Oil Capacity / Grade / Filter Quick Reference

What type of oil does my Chevrolet Silverado or GMC Sierra take? What oil filter do I use? How much oil should I buy? We’ve got a quick reference guide for your 2023 model year Silverado and Sierra, including 1500, 2500 HD, and 3500 HD models, right here. We change our own oil and we’ve… Continue reading 2023 Chevrolet Silverado & GMC Sierra Oil Capacity / Grade / Filter Quick Reference

Headlight Flashing In 2024 Silverado HD & Sierra HD Has A Simple Cause & Fix

2024

Headlight Flashing In 2024 Silverado HD & Sierra HD Has A Simple Cause & Fix

Some owners may notice the headlights in their 2024 Chevrolet Silverado HD and 2024 GMC Sierra HD pickups may flash every 6-8 seconds. The windshield wipers may also pause at the same time.  Thankfully, the root cause and fix are relatively easy and documented in Technical Service Bulletin 24-NA-005. The Issue- TSB 24-NA-005 Some customers… Continue reading Headlight Flashing In 2024 Silverado HD & Sierra HD Has A Simple Cause & Fix

A GMC Sierra AT4X AEV Edition in the mountains of Montana

3.0L Duramax

Is Your 3.0L Duramax Freezing You Out This Winter? A Solution From The Experts For Poor Heater Performance

The 3.0L Duramax Diesel engine is impressive. It has gobs of low-end torque and will let you cruise down the highway without using much fuel. However, General Motors has identified an issue with the engine that may leave some owners in the cold. Thankfully, it’s an easy fix and may improve your heater performance tremendously.… Continue reading Is Your 3.0L Duramax Freezing You Out This Winter? A Solution From The Experts For Poor Heater Performance

2023 Duramax Silverado HD and Sierra HD May Need Software Update

2023

2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling

Owners of a 2023 Chevy Silverado HD or GMC Sierra HD with an L5P 6.6L Duramax Turbo Diesel may have their trucks randomly stall and/or illuminate a check engine light. Here’s why and what they can do to fix it. Duramax Stalling Issue – Vehicles Affected 2023 Chevrolet Silverado 2500 HD / 3500 HD 2023… Continue reading 2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling

A 2011 GMC Sierra in front of a field- equipped with a bed rack and off-road lighting

GMC Sierra Owner’s Manuals

Welcome to the premier directory for GMC Sierra owners manuals, carefully compiled by year. This extensive collection is the go-to resource for GMC Sierra enthusiasts, owners, and aficionados seeking in-depth information about their vehicles. Whether you’re a seasoned Sierra driver or have recently joined the GMC family, this directory provides straightforward access to a trove… Continue reading GMC Sierra Owner’s Manuals

2022 GMC Sierra Owner's Manual

2022

2022 GMC Sierra Owner’s Manual

Step into a new era of vehicle management with a digital 2022 GMC Sierra Owner’s Manual, a meticulously crafted guide that aligns perfectly with your vehicle’s sophisticated design. This digital compendium offers an extensive range of information, tailor-made for your Sierra. It covers essential topics such as detailed engine maintenance, the nuances of its advanced… Continue reading 2022 GMC Sierra Owner’s Manual

2023 GMC Sierra Owner's Manual

2023

2023 GMC Sierra Owner’s Manual

Step into the future with the 2023 GMC Sierra Owner’s Manual in digital form, a detailed and innovative guide that complements your vehicle’s advanced features. Within this digital resource, you’ll find a wealth of information designed specifically for your Sierra. It encompasses everything from detailed engine maintenance guidance to the intricacies of the cutting-edge infotainment… Continue reading 2023 GMC Sierra Owner’s Manual

2024 GMC Sierra Owner's Manual Download

2024

2024 GMC Sierra Owner’s Manual

Dive into the digital realm with your 2024 GMC Sierra’s Owner’s Manual, a comprehensive guide that’s as innovative as your vehicle. Inside this digital dossier, you’ll uncover a wealth of knowledge tailored to your Sierra. From the intricate details of engine maintenance to the ins and outs of the state-of-the-art infotainment system, it’s all there.… Continue reading 2024 GMC Sierra Owner’s Manual

The tailgate release buttons on a Red Chevrolet Silverado with the Multi-Flex tailgate

technical service bulletin

Chevy/GMC Release New Parts To Fix Unwanted, Random, or Inadvertent Tailgate Opening

If your 2020 or newer Chevrolet Silverado or GMC Sierra 1500, 2500, or 3500 had its tailgate randomly open when you didn’t want it to, we’ve got some good news and a solution. The Problem – Tailgate Opening Issue Reports have skyrocketed online, with owners of Silverado and Sierra pickups reporting that the tailgate of… Continue reading Chevy/GMC Release New Parts To Fix Unwanted, Random, or Inadvertent Tailgate Opening