Why does the check engine light in my C20 Suburban turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your C20 Suburban firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Chevrolet C20 Suburban making engine noise?

Unusual noises can signal a problem with your Chevrolet C20 Suburban engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my Chevrolet C20 Suburban 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 slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Chevrolet C20 Suburban radiator?

It’s not recommended you put water in your C20 Suburban 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 C20 Suburban engine to suddenly stop?

Reasons your C20 Suburban car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Chevrolet C20 Suburban engines?

For Chevrolet C20 Suburban 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.

Engine Repairs for Your 1985 Chevrolet C20 Suburban

Learn about

1985 Chevrolet C20 Suburban Trim Options

Select your Chevrolet C20 Suburban trim level to learn more about Chevrolet-recommended engine repair. Even Chevrolet C20 Suburban parts will get older and change.

V8/5.0L

V8/5.7L

V8/6.2L

V8/7.4L

Repairs for Your 1985 Chevrolet C20 Suburban

Nothing stays the same forever. Even your Chevrolet C20 Suburban’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 1985 Chevrolet C20 Suburban.

We Care for Chevrolet C20 Suburban Engines

The Chevrolet C20 Suburban is respected for its reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 1985 Chevrolet C20 Suburban engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Chevrolet C20 Suburban engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 1985 Chevrolet C20 Suburban Check Engine Light Is On

An illuminated check engine light on your Chevrolet C20 Suburban is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your car’s ignition, Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your C20 Suburban in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs it's time for Chevrolet C20 Suburban engine service might include oil leaks, or misfiring.

Chevrolet C20 Suburban Engine Repair

When your Chevrolet C20 Suburban engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. 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 1985 C20 Suburban engine repairs and you can feel confident knowing that we use Chevrolet-approved parts and components like the timing chain or belt, oil gasket, sensors, or another part.

Questions About 1985 Chevrolet C20 Suburban Engines

Why does the check engine light in my C20 Suburban turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your C20 Suburban firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Chevrolet C20 Suburban making engine noise? Unusual noises can signal a problem with your Chevrolet C20 Suburban engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my Chevrolet C20 Suburban 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 slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Chevrolet C20 Suburban radiator? It’s not recommended you put water in your C20 Suburban 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 C20 Suburban engine to suddenly stop? Reasons your C20 Suburban car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Chevrolet C20 Suburban engines? For Chevrolet C20 Suburban 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.