Hey guys! Let's dive into everything you need to know about changing the transmission fluid in your 2017 Subaru Impreza. Maintaining your car's transmission is super important for keeping it running smoothly and avoiding expensive repairs down the road. So, whether you're a seasoned DIYer or just starting to learn about car maintenance, this guide will walk you through the process step-by-step. We'll cover why it's essential, when to do it, what type of fluid to use, and how to do it yourself. Let's get started!

Why is Changing Transmission Fluid Important?

Transmission fluid is the lifeblood of your car's transmission system. Its primary job is to lubricate the moving parts within the transmission, reducing friction and wear. Without proper lubrication, these parts can grind against each other, leading to significant damage and costly repairs. Think of it like the oil in your engine – you wouldn't skip oil changes, right? The same logic applies to transmission fluid.

Over time, transmission fluid degrades due to heat, friction, and contamination. As it breaks down, it loses its ability to properly lubricate and cool the transmission components. This can cause a variety of problems, including:

• Rough Shifting: You might notice that your car shifts gears less smoothly or hesitates between gears.
• Slipping Gears: The transmission might slip out of gear or struggle to maintain the correct gear.
• Overheating: A lack of proper lubrication can cause the transmission to overheat, leading to further damage.
• Transmission Failure: If left unaddressed, degraded transmission fluid can eventually lead to complete transmission failure, which is a major headache and expense.

Regular transmission fluid changes help prevent these issues by replenishing the fluid with fresh, clean fluid that can effectively lubricate and cool the transmission. It's a simple maintenance task that can significantly extend the life of your car's transmission and save you money in the long run. Plus, it keeps your Impreza running like a champ!

When Should You Change the Transmission Fluid in Your 2017 Impreza?

Okay, so you know why it's important, but when exactly should you change the transmission fluid in your 2017 Impreza? Subaru recommends specific maintenance intervals to keep your car in top condition. However, these intervals can vary depending on your driving conditions.

• Recommended Interval: Generally, Subaru recommends changing the transmission fluid in your 2017 Impreza every 30,000 to 60,000 miles. This range is quite broad because it depends on how you use your car.
• Severe Driving Conditions: If you frequently drive in severe conditions, you'll need to change the fluid more often. Severe conditions include:
  • Towing: If you regularly tow trailers or other heavy loads.
  • Stop-and-Go Traffic: Constant stop-and-go driving, especially in hot weather.
  • Mountainous Terrain: Driving in hilly or mountainous areas where the transmission works harder.
  • Commercial Use: Using your Impreza for commercial purposes, such as delivery driving.

If any of these conditions apply to you, consider changing your transmission fluid every 30,000 miles. This will help ensure your transmission stays in good shape despite the extra strain.

• Checking the Fluid: It's also a good idea to periodically check the condition of your transmission fluid. To do this:
  1. Locate the transmission fluid dipstick (usually marked with a specific symbol or color).
  2. Remove the dipstick and wipe it clean.
  3. Reinsert the dipstick fully and then remove it again.
  4. Check the fluid level against the markings on the dipstick.
  5. Examine the color and smell of the fluid. Healthy fluid should be pinkish or light red and have a slightly sweet smell. If the fluid is dark brown or black and smells burnt, it's time for a change.

By keeping an eye on your driving conditions and the condition of your transmission fluid, you can determine the best maintenance schedule for your 2017 Impreza.

What Type of Transmission Fluid Should You Use?

Using the correct type of transmission fluid is crucial for your 2017 Impreza. The wrong fluid can cause poor performance or even damage the transmission. Here's what you need to know:

• Recommended Fluid: For the 2017 Subaru Impreza, you should use Subaru High Torque CVTF (Continuously Variable Transmission Fluid). This fluid is specifically designed for Subaru's CVT transmissions and provides the best performance and protection.

• Why Use the Recommended Fluid?: Subaru's CVTs are engineered to work with specific fluid properties. Using a non-compatible fluid can lead to:

  • Reduced Performance: The transmission may not shift properly or may experience slipping.
  • Increased Wear: Incorrect fluid can cause increased friction and wear on the transmission components.
  • Damage: In severe cases, using the wrong fluid can cause significant damage to the transmission.

• Where to Buy: You can purchase Subaru High Torque CVTF at your local Subaru dealership or from online retailers that sell genuine Subaru parts. Make sure you buy the correct type of fluid for your specific model year.

• Avoid Generic Fluids: While there are many generic or universal transmission fluids on the market, it's best to avoid them for your Subaru Impreza. These fluids may not meet the specific requirements of your transmission and could cause problems down the road. Sticking with the recommended Subaru High Torque CVTF is the safest bet.

How to Change the Transmission Fluid in Your 2017 Impreza: A Step-by-Step Guide

Alright, let's get into the nitty-gritty of how to change the transmission fluid in your 2017 Impreza. Before you start, gather all the necessary tools and materials. This will make the process smoother and more efficient.

Tools and Materials You'll Need:

• Subaru High Torque CVTF: Make sure you have the correct amount of fluid. Typically, you'll need around 5-6 quarts.
• Socket Set: You'll need sockets to remove the drain plug and check plug.
• Wrench Set: Wrenches for various bolts and fasteners.
• Drain Pan: To catch the old transmission fluid.
• Funnel: To pour the new fluid into the transmission.
• Jack and Jack Stands: To safely lift the car.
• Gloves: To protect your hands.
• Rags or Shop Towels: For cleaning up spills.
• Torque Wrench: To tighten the drain plug to the correct specification.
• New Drain Plug Gasket/Washer: Always replace the gasket to ensure a good seal.

Step-by-Step Instructions:

1. Prepare the Car: Park your Impreza on a level surface. Engage the parking brake and chock the rear wheels for safety. Allow the engine to cool down before starting.
2. Lift the Car: Use a jack to lift the front of the car and securely place it on jack stands. Make sure the car is stable before proceeding.
3. Locate the Transmission Drain Plug: The drain plug is located on the bottom of the transmission pan. It's usually a large bolt.
4. Place the Drain Pan: Position the drain pan under the drain plug to catch the old transmission fluid.
5. Remove the Drain Plug: Use the correct size socket or wrench to carefully remove the drain plug. Be prepared for the fluid to come out quickly.
6. Let the Fluid Drain: Allow the old transmission fluid to drain completely. This may take 20-30 minutes.
7. Replace the Drain Plug Gasket: Once the fluid has drained, replace the old drain plug gasket with a new one. This will ensure a tight seal.
8. Reinstall the Drain Plug: Tighten the drain plug to the manufacturer's specified torque using a torque wrench. Overtightening can damage the transmission pan.
9. Locate the Fill Plug/Dipstick Tube: The fill plug is typically located on the side of the transmission. Some models may have a dipstick tube instead.
10. Add New Transmission Fluid: Using a funnel, carefully pour the new Subaru High Torque CVTF into the fill plug or dipstick tube. Check the owner's manual for the correct amount of fluid.
11. Check the Fluid Level: If your Impreza has a dipstick, use it to check the fluid level. The level should be between the minimum and maximum marks. If there is no dipstick, there will be a check plug to verify the level. With the car level and running, remove the check plug. If the fluid drips out, the level is correct. If nothing comes out, add fluid until it drips.
12. Start the Engine: Start the engine and let it run for a few minutes. Shift through the gears to allow the new fluid to circulate.
13. Recheck the Fluid Level: Turn off the engine and recheck the fluid level using the dipstick or check plug. Add more fluid if needed.
14. Lower the Car: Carefully lower the car back to the ground.
15. Test Drive: Take your Impreza for a short test drive to ensure the transmission is shifting smoothly. Check for any leaks around the drain plug.

Important Tips:

• Safety First: Always use jack stands when working under a car. Never rely solely on a jack.
• Proper Disposal: Dispose of the old transmission fluid properly at a recycling center or auto parts store.
• Cleanliness: Keep everything clean to prevent contamination of the new fluid.
• Consult the Manual: Refer to your owner's manual for specific instructions and torque specifications for your 2017 Impreza.

Conclusion

Changing the transmission fluid in your 2017 Subaru Impreza is a crucial maintenance task that can significantly extend the life of your transmission. By following this guide and using the correct fluid, you can keep your Impreza running smoothly for years to come. Remember to check your fluid regularly and adhere to the recommended maintenance intervals. Happy driving!