Your GMC Sierra‘s ignition switch is one of the most vital items on the entire vehicle. If it fails, the entire vehicle won’t be able to run. We’ve compiled some of the most common symptoms of a bad ignition switch. These include stalling issues, not starting, and no power to the radio or accessories. Function of an … Read more
If your GMC Sierra has a faulty throttle body, it can cause it to run terribly. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Your Sierra’s throttle body controls the amount of air that enters the engine. You control the throttle body position with … Read more
The thermostat in your GMC Sierra’s engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat failure … Read more
One of the most common issues with a vehicle is a bad serpentine belt. If you suspect that your GMC Sierra has this problem, we’ll give you the common symptoms below, as well as how to replace it. The good news is that serpentine belts are cheap, and in the grand scheme of things, relatively … Read more
Uneven tire wear can happen at any time in the life of a vehicle. If your GMC Sierra is experiencing this situation, taking corrective action when you first notice it is important. Otherwise, you may end up needing a new set of tires. GMC Sierra Uneven Tire Wear Causes There are a few … Read more
There are several symptoms to watch for that suggest your Sierra might have low transmission fluid. Some of these signs include irregular shifting, inability to shift, dashboard warning lights, slipping transmission, and strange noises coming from under the hood. If you suspect that your Sierra has low transmission fluid, the first thing you should do … Read more
One of the most disconcerting sounds that you can hear coming from your GMC Sierra is the engine knocking. An engine knock can be a sign of major engine problems. It is usually caused by, ignition issues, timing issues, worn lower engine parts, and more. We’ll cover the most common causes below. By definition, an … Read more
If your GMC Sierra is jerking when you press the accelerator, a few common issues can cause this. This guide is built to help you get a better idea as to why your truck is jerking. The most common reason a vehicle jerks when accelerating is a misfire. Checking for trouble codes can make the … Read more
If you’ve found red fluid under your GMC Sierra, you probably have a transmission leak. A transmission leak is a big deal. If you let too much transmission fluid leak, the transmission will begin to slip, which can quickly cause long term damage. Unlike oil, transmission fluid is flammable, and will flash if it hits … Read more
One of the most common automotive problems is an exhaust leak. Leaking exhaust can be loud, smelly, and (depending on where the leak is coming from) dangerous. If your GMC Sierra has a leaking exhaust system, it should not be ignored. Leaking Exhaust Symptoms: GMC Sierra A leaking exhaust system affects your Sierra … Read more