Why does my Sierra 3500 HD’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. 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.

Why does my GMC engine sound different?

Unusual noises can signal a problem with your GMC Sierra 3500 HD engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I 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?

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.

Where can I go for GMC Sierra 3500 HD repair?

Your local Firestone Complete Auto Care fixes GMC Sierra 3500 HD engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2022 GMC Sierra 3500 HD Engines

Learn about

2022 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.

V8/6.6L

2022 GMC Sierra 3500 HD Repair

Stuff wears out. Even your GMC Sierra 3500 HD’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2022 GMC Sierra 3500 HD.

We Care for GMC Sierra 3500 HD Engines

GMC Sierra 3500 HD drivers trust that their Sierra 3500 HD will take them near and far. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2022 GMC Sierra 3500 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 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 2022 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 or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your Sierra 3500 HD to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. engine pinging noises, essential fluid leaks, or misfiring.

GMC Sierra 3500 HD Engine Repair

If your 2022 GMC Sierra 3500 HD needs engine repair, 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. We'll also tell you if it's necessary for your safety. 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 3500 HD engine repairs and you can feel good knowing that we only use GMC-compliant replacement parts such as the timing chain or belt, motor oil seal, ignition coil, or another part.

Engine Q&A 2022 GMC Sierra 3500 HD

Why does my Sierra 3500 HD’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. 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.
Why does my GMC engine sound different? Unusual noises can signal a problem with your GMC Sierra 3500 HD engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I 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? 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.
Where can I go for GMC Sierra 3500 HD repair? Your local Firestone Complete Auto Care fixes GMC Sierra 3500 HD engines. Book an appointment today! We have thousands of locations across the country.