Select your GMC G3500 trim level to learn more about GMC-recommended engine repair. Even GMC G3500 parts will get older and change.
Nothing stays the same forever. Even your GMC G3500’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 1986 GMC G3500.
The GMC G3500 is respected for its reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1986 GMC service center — quick! 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 G3500 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.
If your G3500 check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your combustion, Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your G3500 issues diagnosed and we'll determine exactly why your check engine light is on. Other signs your GMC G3500 engine needs some TLC are oil leaks, or misfiring.
If your 1986 GMC G3500 needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. 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 timing belt, oil gasket, sensors, or another part.