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

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Sierra 3500 HD testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are GMC Sierra 3500 HD engine noises bad?

Unusual noises can signal a problem with your GMC Sierra 3500 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 may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC Sierra 3500 HD engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is 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 use water in my GMC Sierra 3500 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 3500 HD when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my Sierra 3500 HD engine to suddenly stop?

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

Who fixes GMC Sierra 3500 HD engines?

Your local Firestone Complete Auto Care offers GMC Sierra 3500 HD engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2016 GMC Sierra 3500 HD Engines

Learn about

2016 GMC Sierra 3500 HD Trim Options

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

V8/6.0L

V8/6.6L

2016 GMC Sierra 3500 HD Repair

Stuff wears out. Even your GMC Sierra 3500 HD's many parts and pieces. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2016 GMC Sierra 3500 HD repairs.

We’re Trained to Care for GMC Sierra 3500 HD Engines

The GMC Sierra 3500 HD is respected for its reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 2016 GMC Sierra 3500 HD engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know GMC Sierra 3500 HD engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2016 GMC Sierra 3500 HD

If your Sierra 3500 HD check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your car’s ignition, Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your Sierra 3500 HD to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, burning smells, or misfiring.

2016 Sierra 3500 HD Engine Services

If your 2016 GMC Sierra 3500 HD needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for Sierra 3500 HD engine repairs and you can feel confident knowing that we use GMC-approved parts and components like the timing belt, oil gasket, fuses, or another part.

Questions About 2016 GMC Sierra 3500 HD Engines

Why does the check engine light in my Sierra 3500 HD turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Sierra 3500 HD testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are GMC Sierra 3500 HD engine noises bad? Unusual noises can signal a problem with your GMC Sierra 3500 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 may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC Sierra 3500 HD engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is 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 use water in my GMC Sierra 3500 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 3500 HD when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my Sierra 3500 HD engine to suddenly stop? Reasons your Sierra 3500 HD car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes GMC Sierra 3500 HD engines? Your local Firestone Complete Auto Care offers GMC Sierra 3500 HD engine repair. Schedule an appointment today at one of our thousands of locations nationwide!