Why does the check engine light come on when I start my K3500?

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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are GMC K3500 engine noises bad?

Unusual noises can signal a problem with your GMC K3500 engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 K3500 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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.

Is it okay to put water in my GMC K3500 radiator?

While it’s not recommended, you can use water in your K3500 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

Why did my K3500 engine suddenly stop?

Reasons your K3500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs GMC K3500 engines?

Your local Firestone Complete Auto Care offers GMC K3500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 1999 GMC K3500 Engines

Learn about

1999 GMC K3500 Trim Options

Select your GMC K3500 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

1999 GMC K3500 Repair

Stuff wears out. Even your GMC K3500’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 1999 GMC K3500 services.

We’re Trained to Care for GMC K3500 Engines

GMC K3500 engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 1999 GMC K3500 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 K3500 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 1999 GMC K3500 Check Engine Light Is On

As soon as your K3500 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 or emission system, and it won’t go away by ignoring it. Possible causes can include a failing oxygen sensor, worn spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your K3500 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. rattling sounds, oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1999 K3500

When your GMC K3500 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. 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 give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for GMC K3500 engine repairs and you can feel good knowing that we only use GMC-compliant replacement parts such as the timing belt, engine oil seal, fuses, or another part.

Questions About 1999 GMC K3500 Engines

Why does the check engine light come on when I start my K3500? 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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are GMC K3500 engine noises bad? Unusual noises can signal a problem with your GMC K3500 engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 K3500 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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.
Is it okay to put water in my GMC K3500 radiator? While it’s not recommended, you can use water in your K3500 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
Why did my K3500 engine suddenly stop? Reasons your K3500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs GMC K3500 engines? Your local Firestone Complete Auto Care offers GMC K3500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!