2018 GMC Sierra 3500 HD Radiator Repair & Service

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Service Your GMC Sierra 3500 HD Radiator

Are rising engine temperatures causing rising stress levels for you? Cool it! Schedule your 2018 GMC Sierra 3500 HD radiator service or repair today.

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When Does My 2018 GMC Sierra 3500 HD Radiator Need Service?

Not sure what a radiator does? That makes it difficult to know when to have your GMC Sierra 3500 HD radiator serviced, but it’s vital to know what to look for. The radiator is in the cooling system of your car, and it helps your engine temperature stay within a safe range. So, what happens when the radiator isn’t working quite like it should? You guessed it – your engine overheats, and it may even break down completely.

Staying on top of routine radiator maintenance for your 2018 GMC Sierra 3500 HD is essential for long-term engine health. GMC recommends that you replace coolant (also called antifreeze) at certain intervals, but it’s a good idea to keep your eyes open for any indication that your radiator is failing. You could be on the verge of a radiator-induced engine breakdown if you notice a low coolant light or higher-than-normal engine temperatures on your dashboard, or if you spot coolant leaks coming from your car. When you experience one or more of these issues, head to your local Firestone Complete Auto Care for a Courtesy Check.

What to Expect from GMC Sierra 3500 HD Radiator Repair

What does radiator repair include? When you come to Firestone Complete Auto Care, we’ll begin your radiator repair with an in-depth inspection of the cooling system in your GMC Sierra 3500 HD. Then, we’ll move on to a machine-powered coolant exchange. Finally, we’ll refill the flushed sealants, lubricants and chemicals, then do a pressure check to catch any possible leaks.

Radiator problems often go hand in hand with water pump problems. Some services for your 2018 GMC Sierra 3500 HD engine can wait, but the water pump is one part that you can't put off repairing or replacing. This pump ensures that coolant is always flowing through the radiator, hoses, and engine. If it isn’t functioning properly, your engine won’t be able to stay within its optimal temperature range. Our technicians can take a look at your radiator’s components to help you stay ahead of any potential engine problems. If you’re about to lose your cool over a too-hot engine, rest assured that your 2018 GMC Sierra 3500 HD is in good hands at Firestone Complete Auto Care. After all, we know it’s not just a car. It’s your car.

Common GMC Sierra 3500 HD Radiator Questions

Take care of your 2018 GMC Sierra 3500 HD radiator and it will last. Check out our top questions and answers about GMC radiators below, and visit your nearest Firestone Complete Auto Care at the first sign of an overheating engine.

  • What does an illuminated coolant temperature light mean for my GMC? Your engine might be about to overheat. If your low coolant light is on, pull over in a safe area and wait for your engine temperature to go down. Once it’s safe to do so, bring your car to your nearest Firestone Complete Auto Care to have the coolant system inspected.
  • Is an antifreeze leak dangerous? Notice a leaking fluid that's green, bright orange, or pink and feels sticky? It might be antifreeze. Antifreeze is toxic but has a sweet smell and taste that's attractive to many cats and dogs. Do your pets a favor and have an antifreeze leak investigated ASAP. Then hose down the driveway or garage floor!
  • Do GMC Sierra 3500 HD radiators need to be cleaned? Cleaning your car shouldn’t be limited to the parts you can see. Regular cleaning is good for your radiator, too! When you take your GMC Sierra 3500 HD in for routine maintenance or service, it could be a good idea to opt for a radiator cleaning, too.
  • What is causing my Sierra 3500 HD to overheat? Low coolant, a damaged cooling fan, a faulty water pump, a malfunctioning thermostat, or a clogged radiator could all cause your GMC Sierra 3500 HD engine to overheat.
  • Why does the radiator in my Sierra 3500 HD sound like it’s rumbling or boiling? If your radiator sounds like it's boiling or rumbling, you could have air pockets in the cooling system of your Sierra 3500 HD. You might also have a damaged radiator cap (super easy to fix!) or a clogged radiator.
  • There’s rust in my Sierra 3500 HD radiator. Should I be worried? Yes. Rust in the radiator of your GMC Sierra 3500 HD can impair its cooling efficiency, cause leaks, and even result in complete failure of the radiator. Over time, rust can eat away at the radiator's cooling passages, forming tiny holes or cracks that can affect its operation. To help prevent rust from causing damage, you should stay on top of radiator maintenance.