Why does the check engine light come on when I start my R3500?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your R3500 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my GMC engine sound different?

Strange under-the-hood noises can point to problems within your GMC R3500 engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my GMC R3500 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle 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 R3500 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 can cause a R3500 engine to suddenly stop?

Reasons your R3500 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 R3500 repair?

For GMC R3500 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 1989 GMC R3500 Engines

Learn about

1989 GMC R3500 Trim Options

Select your GMC R3500 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 R3500 Repair

Nothing lasts forever. Even your GMC R3500's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 1989 GMC R3500 services.

We Know GMC R3500 Engines

GMC R3500 engines are known for their reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. When they do, you might find yourself searching for 1989 GMC R3500 engine repair or replacement parts. 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 R3500 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1989 GMC R3500 Check Engine Light Is On

As soon as your R3500 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 fuel injection, Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your R3500 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs your GMC R3500 engine needs some TLC are burning smells, or misfiring.

GMC R3500 Engine Repair

If your 1989 GMC R3500 needs engine repair, 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 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 1989 R3500 engine repairs and you can feel confident knowing that we use GMC-approved parts and components like the cambelt, engine oil seal, fuses, or a different component.

Questions About 1989 GMC R3500 Engines

Why does the check engine light come on when I start my R3500? It’s usually normal for your check engine light to turn on upon ignition. It’s just your R3500 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my GMC engine sound different? Strange under-the-hood noises can point to problems within your GMC R3500 engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my GMC R3500 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle 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 R3500 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 can cause a R3500 engine to suddenly stop? Reasons your R3500 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 R3500 repair? For GMC R3500 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.