Why does the check engine light in my C3500 turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my GMC C3500 making engine noise?

Unusual noises can signal a problem with your GMC C3500 engine. Tapping or knocking could mean you need an oil change. 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 my GMC C3500 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my GMC C3500 radiator?

It’s not recommended you put water in your C3500 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 C3500 engine to suddenly stop?

There are different reasons your C3500 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who fixes GMC C3500 engines?

Your local Firestone Complete Auto Care has you covered with expert C3500 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Reliable Repairs for 1998 GMC C3500 Engines

Learn about

1998 GMC C3500 Trim Options

Select your GMC C3500 trim level to learn more about GMC-recommended engine repair. Use the following chart to find information.

V8/5.7L

V8/6.5L

V8/7.4L

Repairs for Your 1998 GMC C3500

Nothing stays the same forever. Even your GMC C3500's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 1998 GMC C3500 repairs.

We Know GMC C3500 Engines

The GMC C3500 is respected for its reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. When they do, you might find yourself searching for 1998 GMC C3500 engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your GMC C3500 engine will be in good hands. 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.

Illuminated Check Engine Light on 1998 GMC C3500

As soon as your C3500 check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your car’s ignition, Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your C3500 in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs it's time for GMC C3500 engine service might include essential fluid leaks, or a sinking feeling that something’s wrong.

1998 C3500 Engine Services

If your 1998 C3500 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 give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for C3500 engine repairs and you can drive easy knowing that we use GMC-approved parts and fluids — cambelt, valve guide seal, fuses, or other parts.

Engine Q&A 1998 GMC C3500

Why does the check engine light in my C3500 turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my GMC C3500 making engine noise? Unusual noises can signal a problem with your GMC C3500 engine. Tapping or knocking could mean you need an oil change. 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 my GMC C3500 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my GMC C3500 radiator? It’s not recommended you put water in your C3500 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 C3500 engine to suddenly stop? There are different reasons your C3500 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who fixes GMC C3500 engines? Your local Firestone Complete Auto Care has you covered with expert C3500 engine repair. Schedule an appointment today and see us at one of our thousands of locations.