Why does the check engine light come on when I start my Yukon?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your Yukon firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my GMC Yukon making engine noise?

Strange under-the-hood noises can point to problems within your GMC Yukon 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 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 Yukon engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I add water to my GMC Yukon radiator?

It’s not recommended you put water in your Yukon radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What can cause a Yukon engine to suddenly stop?

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

Who repairs GMC Yukon engines?

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

2020 GMC Yukon Engine Repair

Learn about

2020 GMC Yukon Trim Options

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

V8/5.3L

V8/6.2L

Repairs for Your 2020 GMC Yukon

Nothing lasts forever. Even your GMC Yukon's many parts and pieces. 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 2020 GMC Yukon.

We Know GMC Yukon Engines

GMC Yukon engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2020 GMC Yukon engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know GMC Yukon engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2020 GMC Yukon

An illuminated check engine light on your GMC Yukon is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission system, and it won’t go away by ignoring it. Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your Yukon to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs it's time for GMC Yukon engine service might include burning smells, or misfiring.

Engine Repairs for Your 2020 Yukon

If your 2020 Yukon engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for GMC Yukon engine repairs and you can feel good knowing that we only use GMC-compliant replacement parts such as the cambelt, valve guide seal, sensors, or a different component.

Engine Q&A 2020 GMC Yukon

Why does the check engine light come on when I start my Yukon? It’s usually normal for your check engine light to turn on upon ignition. It’s just your Yukon firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my GMC Yukon making engine noise? Strange under-the-hood noises can point to problems within your GMC Yukon 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 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 Yukon engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I add water to my GMC Yukon radiator? It’s not recommended you put water in your Yukon radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What can cause a Yukon engine to suddenly stop? Your Yukon car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs GMC Yukon engines? Your local Firestone Complete Auto Care fixes GMC Yukon engines. Book an appointment today! We have thousands of locations across the country.