Why does my K2500’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my GMC K2500 making engine noise?

Unusual noises can signal a problem with your GMC K2500 engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by 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 K2500 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my GMC K2500 radiator?

While it’s not recommended, you can use water in your K2500 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.

What can cause the engine in my K2500 to suddenly stop?

Reasons your K2500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my GMC K2500 engine?

Your local Firestone Complete Auto Care fixes GMC K2500 engines. Book an appointment today! We have thousands of locations across the country.

1985 GMC K2500 Engine Repair

Learn about

1985 GMC K2500 Trim Options

Select your GMC K2500 trim level to learn more about GMC-recommended engine repair. Even GMC K2500 parts will get older and change.

L6/4.8L

V6/4.3L

V8/5.7L

V8/6.2L

GMC K2500 Repairs and Services

Nothing stays the same forever. Even your GMC K2500’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 1985 GMC K2500 repairs.

We Care for GMC K2500 Engines

GMC K2500 engines are known for their 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 sideways sometimes. When they do, you might find yourself searching for 1985 GMC K2500 engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know GMC K2500 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 1985 GMC K2500 Check Engine Light Is On

As soon as your K2500 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 car’s starter, Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your K2500 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 K2500 engine service might include oil leaks, or misfiring.

Engine Repairs for Your 1985 K2500

If your 1985 GMC K2500 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. 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 seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for K2500 engine repairs and you can feel confident knowing that we use GMC-approved parts and components like the serpentine belt, oil gasket, ignition coil, or a different component.

1985 GMC K2500 Engine Q&A

Why does my K2500’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my GMC K2500 making engine noise? Unusual noises can signal a problem with your GMC K2500 engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by 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 K2500 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my GMC K2500 radiator? While it’s not recommended, you can use water in your K2500 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.
What can cause the engine in my K2500 to suddenly stop? Reasons your K2500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my GMC K2500 engine? Your local Firestone Complete Auto Care fixes GMC K2500 engines. Book an appointment today! We have thousands of locations across the country.