Why does the check engine light come on when I start my C3500?

It’s usually normal for your check engine light to turn on upon ignition. This is just your C3500 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 C3500 making engine noise?

Strange under-the-hood noises can point to problems within 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 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 C3500 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my GMC C3500 radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my C3500 engine to suddenly stop?

Your C3500 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs GMC C3500 engines?

Your local Firestone Complete Auto Care fixes GMC C3500 engines. Book an appointment today! We have thousands of locations across the country.

1989 GMC C3500 Engine Repair

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1989 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

V8/6.2L

V8/7.4L

1989 GMC C3500 Repair

Stuff wears out. 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 1989 GMC C3500 repairs.

We Know GMC C3500 Engines

GMC C3500 engines are known for their 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 wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 1989 GMC C3500 engine repairs. That’s where Firestone Complete Auto Care comes in. 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. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 1989 GMC C3500

As soon as your C3500 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, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your C3500 issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine rattling, burning smells, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1989 C3500

When your GMC C3500 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. 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 give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for GMC C3500 engine repairs and you can feel good knowing that we only use GMC-compliant replacement parts such as the serpentine belt, valve guide seal, sensors, or another part.

Engine Q&A 1989 GMC C3500

Why does the check engine light come on when I start my C3500? It’s usually normal for your check engine light to turn on upon ignition. This is just your C3500 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 C3500 making engine noise? Strange under-the-hood noises can point to problems within 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 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 C3500 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my GMC C3500 radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my C3500 engine to suddenly stop? Your C3500 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs GMC C3500 engines? Your local Firestone Complete Auto Care fixes GMC C3500 engines. Book an appointment today! We have thousands of locations across the country.