Why does the check engine light come on when I start my XT6?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your XT6 firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Cadillac XT6 making engine noise?

Strange engine sounds can be a sign something’s off in your Cadillac XT6. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 my Cadillac XT6 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 put water in my Cadillac XT6 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your XT6 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my XT6 engine to suddenly stop?

Your XT6 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Cadillac XT6 engines?

For Cadillac XT6 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Reliable Repairs for 2021 Cadillac XT6 Engines

Learn about

2021 Cadillac XT6 Trim Options

Select your Cadillac XT6 trim level to learn more about Cadillac-recommended engine repair. Even Cadillac XT6 parts will get older and change.

L4/2.0L

V6/3.6L

2021 Cadillac XT6 Repair

Nothing lasts forever. Even your Cadillac XT6's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2021 Cadillac XT6 services.

We Care for Cadillac XT6 Engines

Cadillac XT6 engines are known for their reliability. You probably thought about that when you got it. 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 2021 Cadillac XT6 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 Cadillac XT6 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2021 Cadillac XT6

As soon as your XT6 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 system that won't go away on its own. Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your XT6 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine pinging noises, essential fluid leaks, or misfiring.

2021 XT6 Engine Services

If your 2021 XT6 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, 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 give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Cadillac XT6 engine repairs and you can feel confident knowing that we use Cadillac-approved parts and components like the timing belt, motor oil seal, ignition coil, or another part.

2021 Cadillac XT6 Engine Q&A

Why does the check engine light come on when I start my XT6? It's okay if your check engine light comes on when you first start your vehicle. It’s just your XT6 firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Cadillac XT6 making engine noise? Strange engine sounds can be a sign something’s off in your Cadillac XT6. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 my Cadillac XT6 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 put water in my Cadillac XT6 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your XT6 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my XT6 engine to suddenly stop? Your XT6 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Cadillac XT6 engines? For Cadillac XT6 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.