Why does the check engine light in my K2500 Suburban turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is just your K2500 Suburban testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my GMC engine sound different?

Unusual noises can signal a problem with your GMC K2500 Suburban engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my GMC K2500 Suburban 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 K2500 Suburban radiator?

While it’s not recommended, you can use water in your K2500 Suburban 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 could cause my K2500 Suburban engine to suddenly stop?

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

Who fixes GMC K2500 Suburban engines?

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

Engine Repairs for Your 1985 GMC K2500 Suburban

Learn about

1985 GMC K2500 Suburban Trim Options

Select your GMC K2500 Suburban trim level to learn more about GMC-recommended engine repair. Use the following chart to find information.

V8/5.7L

V8/6.2L

1985 GMC K2500 Suburban Repair

Stuff wears out. Even your GMC K2500 Suburban’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 1985 GMC K2500 Suburban services.

We’re Trained to Care for GMC K2500 Suburban Engines

The GMC K2500 Suburban is respected for its reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If they do, you’ll have to find a dependable 1985 GMC service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service GMC K2500 Suburban engines. 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.

Illuminated Check Engine Light on 1985 GMC K2500 Suburban

As soon as your K2500 Suburban 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. Potential causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your K2500 Suburban in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs your GMC K2500 Suburban engine needs some TLC are burning smells, or engine misfiring.

1985 K2500 Suburban Engine Services

When your GMC K2500 Suburban 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 isn’t urgent right now, 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 provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for K2500 Suburban engine repairs and you can feel confident knowing that we use GMC-approved parts and components like the cambelt, valve guide seal, sensors, or a different component.

1985 GMC K2500 Suburban Engine Q&A

Why does the check engine light in my K2500 Suburban turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is just your K2500 Suburban testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my GMC engine sound different? Unusual noises can signal a problem with your GMC K2500 Suburban engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my GMC K2500 Suburban 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 K2500 Suburban radiator? While it’s not recommended, you can use water in your K2500 Suburban 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 could cause my K2500 Suburban engine to suddenly stop? Reasons your K2500 Suburban car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes GMC K2500 Suburban engines? Your local Firestone Complete Auto Care fixes GMC K2500 Suburban engines. Book an appointment today! We have thousands of locations across the country.