2021 GMC Sierra 1500 Transmission Service & Repairs

Take Time for Your GMC Sierra 1500 Transmission

Automatic or manual transmission, Firestone Complete Auto Care can help. Schedule a transmission service or repair today.

What’s the Importance of Your 2021 Sierra 1500’s Transmission?

The transmission delivers power from the engine to the wheels so that you can drive on your terms. Since the transmission has to translate the precise amount of power for your desired amount of speed, a small transmission issue can put a big dent in your Sierra 1500’s performance. Such problems aren’t hard to spot. GMC Sierra 1500 transmission problems can present themselves as shifting delays, grinding when accelerating, a feeling of shakiness, or a burning smell or whistling sounds coming from under the hood. Let GMC Sierra 1500 transmission problems linger and you might notice your fuel economy decrease or find that your Sierra 1500 isn’t working at all.

GMC Transmission Recommendations for 2021 Sierra 1500s

According to GMC, your Sierra 1500’s transmission should be checked regularly for wear and tear. For example, GMC recommends exchanging transmission and differential fluids in 2021 GMC Sierra 1500s at certain intervals with GMC-approved transmission fluid. Our technicians know how to service your 2021 Sierra 1500 up to GMC-recommended standards. Schedule an appointment at your local Firestone Complete Auto Care at the first sign of transmission problems to help keep your GMC running for miles and miles.

How Much Do GMC Sierra 1500 Transmission Repairs Cost

We work hard to offer affordable GMC Sierra 1500 transmission repairs and services. Visit your local Firestone Complete Auto Care and we’ll give your car a free Courtesy Check. We’ll check out your Sierra 1500’s major systems and components to help inform your car service decisions. Whether your vehicle needs a fluid exchange or repair, you can trust our Triple Promise: Fixed Right. Priced Right. Right on Time.

Questions About 2021 GMC Sierra 1500’s Transmission

  • What happens when you "ride" your GMC's brakes? Riding the brakes or keeping your foot on the brake pedal (even lightly) can lead to transmission issues. Pay attention to how often you apply your brake and use engine braking when possible.
  • How much can my GMC tow?   Think twice before offering to tow something for a friend, no matter how small it is. The added load can mess with your transmission system if it exceeds your Sierra 1500’s towing capacity. Double check your owner's manual to ensure your Sierra 1500 is equipped with a towing setup and can handle whatever you're thinking about towing.
  • When should I have my Sierra 1500's transmission fluid checked or exchanged? Regularly checking and exchanging your 2021 Sierra 1500’s transmission fluid is one of the best ways to help the transmission system perform. A general rule of thumb is to have your transmission fluid checked and changed about every 30,000 to 60,000 miles, but that timeline can change if you're hard on your GMC. Leaks or low transmission fluid are easy to spot and affordable to repair.
  • Can GMC Sierra 1500 transmission fluid leak? Yes, your GMC Sierra 1500 can develop a transmission fluid leak. As your Sierra 1500 ages, parts of the transmission system might wear out or break down, leading to a leak and possible transmission issues. Common causes of transmission fluid leaks include worn seals, a damaged transmission housing, a loose or cracked transmission pan, an overfilled transmission, or faulty transmission lines.
  • Who does GMC Sierra 1500 transmission repair? When your Sierra 1500 transmission is acting up, Firestone Complete Auto Care is here to help. Book an appointment today for transmission system diagnostics and repairs.
  • Is it okay to drive a Sierra 1500 with a transmission fluid leak? It’s not advisable to drive your Sierra 1500 if it’s leaking transmission fluid. Your transmission system needs transmission fluid to function properly, and a leak can lead to significant problems, such as overheating or reduced performance. You might even experience transmission failure.