Why does the check engine light come on when I start my Sierra 3500 HD?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your Sierra 3500 HD firing up 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. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your 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 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Is it okay to put water in my GMC Sierra 3500 HD radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What can cause a Sierra 3500 HD engine to suddenly stop?

Your Sierra 3500 HD car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who can repair my GMC Sierra 3500 HD engine?

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!

Engine Repairs for Your 2017 GMC Sierra 3500 HD

Learn about

2017 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

GMC Sierra 3500 HD Repairs and Services

Nothing stays the same forever. Even your GMC Sierra 3500 HD’s engine parts and components will change. We’re here to help when something stops working. Select a repair or category to learn more about 2017 GMC Sierra 3500 HD services.

We Care for GMC Sierra 3500 HD Engines

The GMC Sierra 3500 HD is respected for its reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go wrong on the road. When they do, you might find yourself searching for 2017 GMC Sierra 3500 HD engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your GMC Sierra 3500 HD engine will be in good hands. 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.

Illuminated Check Engine Light on 2017 GMC Sierra 3500 HD

An illuminated check engine light on your GMC Sierra 3500 HD is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your or emission system, and it won’t go away by ignoring it. Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your Sierra 3500 HD in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine pinging noises, burning smells, or misfiring.

2017 Sierra 3500 HD Engine Services

When your GMC Sierra 3500 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 repair can wait, we'll let 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. Turn to Firestone Complete Auto Care for your 2017 Sierra 3500 HD engine repairs and you can feel good knowing that we only use GMC-compliant replacement parts such as the timing belt, oil gasket, sensors, or another part.

2017 GMC Sierra 3500 HD Engine Q&A

Why does the check engine light come on when I start my Sierra 3500 HD? It’s usually normal for your check engine light to turn on upon ignition. It’s just your Sierra 3500 HD firing up 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. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your 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 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Is it okay to put water in my GMC Sierra 3500 HD radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What can cause a Sierra 3500 HD engine to suddenly stop? Your Sierra 3500 HD car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who can repair my GMC Sierra 3500 HD engine? 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!