Why does my Terrain’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. This is just your Terrain testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my GMC engine sound different?

Strange engine sounds can be a sign something’s off in your GMC Terrain. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my GMC Terrain 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my GMC Terrain radiator?

While it’s not recommended, you can use water in your Terrain radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What could cause my Terrain engine to suddenly stop?

If your Terrain 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 fixes GMC Terrain engines?

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

Engine Repairs for Your 2015 GMC Terrain

Learn about

2015 GMC Terrain Trim Options

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

L4/2.4L

V6/3.6L

2015 GMC Terrain Repair

Nothing lasts forever. Even your GMC Terrain’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2015 GMC Terrain repairs.

We Know GMC Terrain Engines

GMC Terrain engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 2015 GMC Terrain engine repair or replacement parts. 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 Terrain engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2015 GMC Terrain

If your Terrain 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 system that won't go away on its own. Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your Terrain to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine pinging noises, burning smells, or engine misfiring.

Engine Repairs for Your 2015 Terrain

When your GMC Terrain engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 2015 Terrain engine repairs and you can feel good knowing that we only use GMC-compliant replacement parts such as the timing chain or belt, valve guide seal, fuses, or another part.

Engine Q&A 2015 GMC Terrain

Why does my Terrain’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. This is just your Terrain testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my GMC engine sound different? Strange engine sounds can be a sign something’s off in your GMC Terrain. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my GMC Terrain 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my GMC Terrain radiator? While it’s not recommended, you can use water in your Terrain radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What could cause my Terrain engine to suddenly stop? If your Terrain 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 fixes GMC Terrain engines? Your local Firestone Complete Auto Care offers GMC Terrain engine repair. Schedule an appointment today at one of our thousands of locations nationwide!