2017 Nissan Sentra: How To Change CVT Transmission Fluid

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2017 Nissan Sentra: How to Change CVT Transmission Fluid

Hey guys! So, you're looking to tackle a 2017 Nissan Sentra CVT transmission fluid change, huh? Awesome! Maintaining your car's transmission is super important for keeping things running smoothly, and changing the fluid is a key part of that. This guide will walk you through the process step-by-step, making it easy to understand even if you're not a seasoned mechanic. We'll cover everything from the tools you'll need to the exact steps to get the job done right. Ready to dive in? Let's get started!

Why Change Your CVT Transmission Fluid?

Alright, before we get our hands dirty, let's chat about why this is even necessary. The Continuously Variable Transmission (CVT) in your 2017 Nissan Sentra is a bit different from a traditional automatic transmission. Instead of gears, it uses a system of belts and pulleys to provide a smooth, seamless driving experience. Over time, the CVT fluid can break down, lose its ability to lubricate effectively, and accumulate contaminants. This can lead to all sorts of issues, like:

  • Rough Shifting (though CVTs don't technically shift, you might feel some jerkiness)
  • Whining Noises
  • Reduced Fuel Efficiency
  • Premature Transmission Failure (and nobody wants that!)

Changing the fluid regularly helps prevent these problems. Nissan recommends changing the CVT fluid in your Sentra every 60,000 miles or so, but it's always a good idea to check your owner's manual for the specific recommendations for your car and driving conditions. If you do a lot of stop-and-go driving, tow things, or drive in extreme temperatures, you might want to change it more frequently. Think of it like changing the oil in your engine – it keeps everything running clean and happy! When changing your fluid it is crucial to use the correct CVT fluid specification, which will be detailed later in this guide.

Failing to change your transmission fluid is a recipe for expensive repairs down the road. The CVT is a complex piece of machinery, and a failure can be quite costly to fix. Regular fluid changes are a small price to pay to protect this vital component and keep your Sentra on the road for years to come. Plus, doing it yourself can save you a bundle of money compared to taking it to a shop. It's a win-win!

What You'll Need: Tools and Supplies

Okay, before you start, gather your troops! Here's a list of what you'll need for this DIY project. Make sure you have everything ready before you start, so you don't have to make any last-minute trips to the auto parts store.

  • New CVT Fluid: This is the most crucial part! Use only the Nissan NS-3 CVT fluid. Don't skimp on this or use a generic fluid – it's specifically formulated for your transmission. The amount you'll need depends on how much you're draining, but generally, you'll need about 4-5 quarts. It's always a good idea to have a little extra on hand.
  • Drain Pan: A container to catch the old fluid. Make sure it's large enough to hold at least 5 quarts.
  • Wrench: You'll need a wrench to loosen and tighten the drain plug and the filler plug. The size will vary, so double-check your owner's manual or use a socket set.
  • Funnel: For refilling the fluid. A funnel with a flexible extension is helpful.
  • Jack and Jack Stands: You'll need to lift the car safely to access the drain plug. Never work under a car supported only by a jack. Always use jack stands for safety.
  • Wheel Chocks: To prevent the car from rolling while it's raised.
  • Gloves: To keep your hands clean. Latex or nitrile gloves work well.
  • Rags or Paper Towels: For wiping up spills.
  • Torque Wrench: This is optional but highly recommended to ensure you tighten the drain plug to the correct specification.

Make sure to get these tools and supplies ready before starting. This is important to ensure your safety and reduce the mess, and it will make the entire process much smoother. Having the right tools and supplies will help you perform a successful fluid change, leading to better performance and longevity for your 2017 Nissan Sentra.

Step-by-Step Guide: Changing Your CVT Fluid

Alright, now for the main event! Here's a step-by-step guide to changing the CVT fluid in your 2017 Nissan Sentra. Follow these instructions carefully, and you should be good to go. Safety first, guys!

  1. Prepare the Car: Park your Sentra on a level surface, engage the parking brake, and chock the rear wheels. This prevents any unwanted movement.
  2. Warm Up the Engine: Run the engine for a few minutes to warm up the fluid. This makes it flow more easily. Don't let it get too hot – a few minutes is all you need.
  3. Raise and Secure the Car: Use the jack to lift the front of the car. Place jack stands under the frame for safety. Never work under a car supported only by a jack.
  4. Locate the Drain Plug: The drain plug is usually located on the bottom of the transmission pan. It's often a bolt with a hex head. Consult your owner's manual or do a quick search online if you're not sure where it is.
  5. Place the Drain Pan: Position the drain pan under the drain plug.
  6. Loosen the Drain Plug: Use the wrench to loosen the drain plug. Be careful, as the fluid might be hot. Once it's loose, you can usually unscrew it by hand.
  7. Drain the Fluid: Allow the fluid to drain completely into the drain pan. This might take 15-20 minutes.
  8. Locate the Filler Plug: Find the filler plug on the side of the transmission. It's usually a bolt with a hex head or a square drive.
  9. Tighten the Drain Plug: Once the fluid has drained completely, clean the drain plug and install a new crush washer (if your replacement kit came with one). Tighten the drain plug to the torque specification specified in your owner's manual. If you don't have a torque wrench, tighten it firmly but don't overtighten it.
  10. Refill the Fluid: Remove the filler plug. Use the funnel to carefully pour in the new Nissan NS-3 CVT fluid. The amount you need will be close to the amount you drained. It's best to start with a little less and check the level later.
  11. Check the Fluid Level: Once you've added the fluid, check the fluid level. Your Sentra may have a dipstick or a level check plug. Refer to your owner's manual for the correct procedure. The fluid level should be within the specified range. If it's too low, add more fluid. If it's too high, you'll need to drain some.
  12. Tighten the Filler Plug: Once the fluid level is correct, tighten the filler plug to the specified torque (if you have a torque wrench). If not, tighten it firmly.
  13. Lower the Car: Carefully lower the car back to the ground.
  14. Check for Leaks: Start the engine and let it run for a few minutes. Check for any leaks around the drain plug and filler plug.
  15. Clean Up: Clean up any spills and dispose of the old fluid properly. Most auto parts stores will accept used motor oil and transmission fluid for recycling.
  16. Test Drive: Take your Sentra for a short test drive to ensure everything is running smoothly.

Important Tips and Warnings

  • Use the Right Fluid: Seriously, use Nissan NS-3 CVT fluid only. Don't risk using a different type of fluid, as it could damage your transmission.
  • Safety First: Always use jack stands and wear safety glasses when working under the car.
  • Torque Specs: Tightening the drain plug and filler plug to the correct torque is essential to prevent leaks and damage. Check your owner's manual for the specifications.
  • Fluid Level: Overfilling or underfilling the transmission can cause problems. Double-check the fluid level after refilling.
  • Disposal: Dispose of the old fluid properly. Don't pour it down the drain or into the environment.
  • Consult a Professional: If you're not comfortable working on your car, or if you're unsure about any of these steps, take it to a qualified mechanic. It's always better to be safe than sorry.

Troubleshooting Common Issues

Sometimes things don't go perfectly the first time around. Here are some common issues and how to deal with them:

  • Leakage After Fluid Change: If you notice leaks after changing the fluid, double-check that the drain plug and filler plug are tightened to the correct torque. Make sure the crush washers are properly installed (if applicable). If the leaks persist, you might need to replace the drain plug or filler plug.
  • Rough Shifting After Fluid Change: If your Sentra starts shifting roughly after the fluid change, it could be due to a low fluid level or an incorrect fluid type. Double-check the fluid level and make sure you used the correct NS-3 fluid. If the problem continues, there might be another issue, and you should take your car to a mechanic.
  • Difficulty Removing the Drain Plug: If the drain plug is stuck, try using a penetrating oil to help loosen it. Avoid using excessive force, as you could damage the transmission pan. Use the correct sized wrench to prevent stripping the bolt. If it is too difficult, bring your car to a professional.

Conclusion: Keeping Your Sentra Running Smoothly

Congratulations, you made it! Changing your CVT fluid is a great way to keep your 2017 Nissan Sentra running smoothly and prevent costly repairs down the road. It may seem like a daunting task, but with the right tools, supplies, and these step-by-step instructions, it's definitely something you can tackle at home. Remember to prioritize safety and follow all the instructions carefully. If you have any doubts, don't hesitate to seek help from a professional mechanic. Regular maintenance, including changing your CVT fluid, is key to extending the life of your car and keeping you on the road. So, go forth, change that fluid, and enjoy the ride! You've got this!