Why does the check engine light in my Silverado 3500 HD turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your Silverado 3500 HD firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Chevrolet Silverado 3500 HD making engine noise?

Unusual noises can signal a problem with your Chevrolet Silverado 3500 HD engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Chevrolet Silverado 3500 HD engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my Chevrolet Silverado 3500 HD radiator?

While it’s not recommended, you can use water in your Silverado 3500 HD radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

Why did my Silverado 3500 HD engine suddenly stop?

Reasons your Silverado 3500 HD car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs Chevrolet Silverado 3500 HD engines?

Your local Firestone Complete Auto Care has you covered with expert Silverado 3500 HD engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2012 Chevrolet Silverado 3500 HD

Learn about

2012 Chevrolet Silverado 3500 HD Trim Options

Select your Chevrolet Silverado 3500 HD trim level to learn more about Chevrolet-recommended engine repair. Use the following chart to find information.

V8/6.0L

V8/6.6L

Repairs for Your 2012 Chevrolet Silverado 3500 HD

Nothing lasts forever. Even your Chevrolet Silverado 3500 HD’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2012 Chevrolet Silverado 3500 HD services.

We Know Chevrolet Silverado 3500 HD Engines

Chevrolet Silverado 3500 HD drivers trust that their Silverado 3500 HD will take them near and far. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 2012 Chevrolet Silverado 3500 HD engine repair or replacement parts. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Chevrolet Silverado 3500 HD engines. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 2012 Chevrolet Silverado 3500 HD

As soon as your Silverado 3500 HD check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel injection, Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your Silverado 3500 HD issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine pinging noises, essential fluid leaks, or engine misfiring.

Engine Repairs for Your 2012 Silverado 3500 HD

When your Chevrolet Silverado 3500 HD engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Chevrolet Silverado 3500 HD engine repairs and you can feel good knowing that we only use Chevrolet-compliant replacement parts such as the serpentine belt, engine oil seal, fuses, or another part.

Engine Q&A 2012 Chevrolet Silverado 3500 HD

Why does the check engine light in my Silverado 3500 HD turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your Silverado 3500 HD firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Chevrolet Silverado 3500 HD making engine noise? Unusual noises can signal a problem with your Chevrolet Silverado 3500 HD engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Chevrolet Silverado 3500 HD engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my Chevrolet Silverado 3500 HD radiator? While it’s not recommended, you can use water in your Silverado 3500 HD radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
Why did my Silverado 3500 HD engine suddenly stop? Reasons your Silverado 3500 HD car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs Chevrolet Silverado 3500 HD engines? Your local Firestone Complete Auto Care has you covered with expert Silverado 3500 HD engine repair. Schedule an appointment today and see us at one of our thousands of locations.