Why does my G1500’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 G1500 testing 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 GMC G1500 making engine noise?

Strange under-the-hood noises can point to problems within your GMC G1500 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 indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC G1500 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my GMC G1500 radiator?

It’s not recommended you put water in your G1500 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 could cause my G1500 engine to suddenly stop?

Reasons your G1500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Where can I go for GMC G1500 repair?

Your local Firestone Complete Auto Care fixes GMC G1500 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 1989 GMC G1500 Engines

Learn about

1989 GMC G1500 Trim Options

Select your GMC G1500 trim level to learn more about GMC-recommended engine repair. Use the following chart to find information.

V6/4.3L

V8/5.0L

V8/5.7L

Repairs for Your 1989 GMC G1500

Nothing stays the same forever. Even your GMC G1500's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1989 GMC G1500 services.

We’re Trained to Care for GMC G1500 Engines

GMC G1500 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! Sometimes plans go sideways. If they do, you’ll have to find a dependable 1989 GMC service center — quick! 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 GMC G1500 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 1989 GMC G1500

An illuminated check engine light on your GMC G1500 is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your combustion, Causes may include a faulty 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. Stop by your local Firestone Complete Auto Care to get your G1500 issues diagnosed and we'll determine exactly why your check engine light is on. Other signs your GMC G1500 engine needs some TLC are burning smells, or engine misfiring.

Engine Repairs for Your 1989 G1500

If your 1989 G1500 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair can wait, 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. By choosing Firestone Complete Auto Care for G1500 engine repairs and you can feel confident knowing that we use GMC-approved parts and components like the timing belt, engine oil seal, fuses, or other parts.

1989 GMC G1500 Engine Q&A

Why does my G1500’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 G1500 testing 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 GMC G1500 making engine noise? Strange under-the-hood noises can point to problems within your GMC G1500 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 indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC G1500 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my GMC G1500 radiator? It’s not recommended you put water in your G1500 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 could cause my G1500 engine to suddenly stop? Reasons your G1500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for GMC G1500 repair? Your local Firestone Complete Auto Care fixes GMC G1500 engines. Book an appointment today! We have thousands of locations across the country.