Why does my G3500’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your G3500 firing up 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 G3500 making engine noise?

Unusual noises can signal a problem with your GMC G3500 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC G3500 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my GMC G3500 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 G3500 engine to suddenly stop?

Reasons your G3500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs GMC G3500 engines?

Your local Firestone Complete Auto Care offers GMC G3500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 1984 GMC G3500 Engines

Learn about

1984 GMC G3500 Trim Options

Select your GMC G3500 trim level to learn more about GMC-recommended engine repair. Use the following chart to find information.

L6/4.1L

V8/5.7L

V8/6.2L

Repairs for Your 1984 GMC G3500

Stuff wears out. Even your GMC G3500’s engine parts and components will change. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 1984 GMC G3500 repairs.

We Know GMC G3500 Engines

The GMC G3500 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. If the unexpected strikes, you may search the internet frantically for quick and affordable 1984 GMC G3500 engine repairs. 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 G3500 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 offers both trustworthy and affordable engine repairs.

Check Engine Light on 1984 GMC G3500

An illuminated check engine light on your GMC G3500 is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission system, and it won’t go away by ignoring it. Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your G3500 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. Other signs it's time for GMC G3500 engine service might include burning smells, or engine misfiring.

GMC G3500 Engine Repair

If your 1984 G3500 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. 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 G3500 engine repairs and you can feel confident knowing that we use GMC-approved parts and components like the cambelt, valve guide seal, ignition coil, or another part.

Questions About 1984 GMC G3500 Engines

Why does my G3500’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. It’s just your G3500 firing up 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 G3500 making engine noise? Unusual noises can signal a problem with your GMC G3500 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC G3500 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my GMC G3500 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 G3500 engine to suddenly stop? Reasons your G3500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs GMC G3500 engines? Your local Firestone Complete Auto Care offers GMC G3500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!