Why does the check engine light in my Sierra 2500 HD turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my GMC engine sound different?

Strange under-the-hood noises can point to problems within your GMC Sierra 2500 HD engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my GMC Sierra 2500 HD engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my GMC Sierra 2500 HD radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your Sierra 2500 HD when you’re out of coolant, having water in the coolant reservoir is better than nothing.

Why did my Sierra 2500 HD engine suddenly stop?

If your Sierra 2500 HD car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my GMC Sierra 2500 HD engine?

For GMC Sierra 2500 HD engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Engine Repairs for Your 2017 GMC Sierra 2500 HD

Learn about

2017 GMC Sierra 2500 HD Trim Options

Select your GMC Sierra 2500 HD trim level to learn more about GMC-recommended engine repair. Even GMC Sierra 2500 HD parts will get older and change.

V8/6.0L

V8/6.6L

Repairs for Your 2017 GMC Sierra 2500 HD

Nothing lasts forever. Even your GMC Sierra 2500 HD's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 2017 GMC Sierra 2500 HD repairs.

We Know GMC Sierra 2500 HD Engines

GMC Sierra 2500 HD drivers trust that their Sierra 2500 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. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 2017 GMC Sierra 2500 HD engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service GMC Sierra 2500 HD engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2017 GMC Sierra 2500 HD Check Engine Light Is On

As soon as your Sierra 2500 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 or emission control system that won’t go away on its own. Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your Sierra 2500 HD issues diagnosed and we'll determine exactly why your check engine light is on. engine rattling, burning smells, or a sinking feeling that something’s wrong.

2017 Sierra 2500 HD Engine Services

When your GMC Sierra 2500 HD engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for GMC Sierra 2500 HD engine repairs and you can drive easy knowing that we use GMC-approved parts and fluids — cambelt, engine oil seal, sensors, or other parts.

Questions About 2017 GMC Sierra 2500 HD Engines

Why does the check engine light in my Sierra 2500 HD turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my GMC engine sound different? Strange under-the-hood noises can point to problems within your GMC Sierra 2500 HD engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my GMC Sierra 2500 HD engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my GMC Sierra 2500 HD radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your Sierra 2500 HD when you’re out of coolant, having water in the coolant reservoir is better than nothing.
Why did my Sierra 2500 HD engine suddenly stop? If your Sierra 2500 HD car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my GMC Sierra 2500 HD engine? For GMC Sierra 2500 HD engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.