Why does the check engine light in my CT5 turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. This is just your CT5 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Cadillac engine sound different?

Strange engine sounds can be a sign something’s off in your Cadillac CT5. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac CT5 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 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 use water in my Cadillac CT5 radiator?

It’s not recommended you put water in your CT5 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.

Why did my CT5 engine suddenly stop?

If your CT5 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 repairs Cadillac CT5 engines?

Your local Firestone Complete Auto Care has you covered with expert CT5 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2023 Cadillac CT5

Learn about

2023 Cadillac CT5 Trim Options

Select your Cadillac CT5 trim level to learn more about Cadillac-recommended engine repair. Use the following chart to find information.

L4/2.0L

V6/3.0L

V8/6.2L

Cadillac CT5 Repairs and Services

Stuff wears out. Even your Cadillac CT5’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2023 Cadillac CT5 repairs.

We’re Trained to Care for Cadillac CT5 Engines

Cadillac CT5 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. Things can go sideways sometimes. When they do, you might find yourself searching for 2023 Cadillac CT5 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 Cadillac CT5 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.

My 2023 Cadillac CT5 Check Engine Light Is On

As soon as your CT5 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission control system that won’t go away on its own. Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your CT5 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, oil leaks, or engine misfiring.

Cadillac CT5 Engine Repair

When your Cadillac CT5 engine needs repairs, 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 repair isn’t urgent right now, we’ll let you know. If it's necessary for your safety, we'll make sure you understand that, too. 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 Cadillac CT5 engine repairs and you can feel good knowing that we only use Cadillac-compliant replacement parts such as the timing belt, motor oil seal, sensors, or other parts.

2023 Cadillac CT5 Engine Q&A

Why does the check engine light in my CT5 turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is just your CT5 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Cadillac engine sound different? Strange engine sounds can be a sign something’s off in your Cadillac CT5. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac CT5 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 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 use water in my Cadillac CT5 radiator? It’s not recommended you put water in your CT5 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.
Why did my CT5 engine suddenly stop? If your CT5 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 repairs Cadillac CT5 engines? Your local Firestone Complete Auto Care has you covered with expert CT5 engine repair. Schedule an appointment today and see us at one of our thousands of locations.