Hey guys! If you're a proud owner of a 2021 Subaru Forester, you know how important it is to keep that engine purring like a kitten. And what’s one of the most crucial things for engine health? That’s right, it’s the oil! Knowing the correct oil capacity for your Forester is absolutely essential for maintaining its performance and longevity. So, let's dive into everything you need to know about the oil capacity of your 2021 Subaru Forester.

Why Oil Capacity Matters

Before we get into the specifics, let’s quickly cover why knowing the correct oil capacity is so important. Think of oil as the lifeblood of your engine. It lubricates all the moving parts, reduces friction, dissipates heat, and helps to keep everything clean by carrying away dirt and debris.

• Too little oil: This can lead to increased friction, overheating, and potentially serious engine damage. Imagine running a marathon without enough water – your engine feels the same way when it's low on oil!
• Too much oil: Overfilling can also cause problems. It can create excessive pressure, leading to oil leaks and potentially damaging the catalytic converter. Plus, it can cause the crankshaft to churn the oil, creating air bubbles that reduce the oil's lubricating properties.

In short, getting the oil level just right is crucial for the health and happiness of your Forester's engine.

2021 Subaru Forester Oil Capacity: The Details

Okay, let's get down to the nitty-gritty. The 2021 Subaru Forester, equipped with the 2.5-liter four-cylinder engine (FB25), has an oil capacity of 5.1 quarts (4.8 liters). This is with an oil filter change. Always, always change your oil filter when you change your oil – it's like taking a shower and putting your dirty underwear back on if you don't! Now, if you're just topping off the oil, you won't need that much, but for a complete oil change, remember that 5.1 quarts is the magic number.

Checking Your Oil Level

Regularly checking your oil level is a simple habit that can save you a lot of headaches down the road. Here’s how to do it:

1. Park on a level surface: This ensures an accurate reading.
2. Wait for the engine to cool down: Ideally, check the oil in the morning before you start the car, or after it has been sitting for at least a few hours.
3. Locate the dipstick: In the Forester, it’s usually brightly colored and easy to spot. Consult your owner's manual if you're not sure where it is.
4. Pull out the dipstick: Wipe it clean with a lint-free rag.
5. Reinsert the dipstick fully: Make sure it goes all the way in.
6. Pull it out again: Now, check the oil level. The oil should be between the minimum and maximum marks on the dipstick. If it's below the minimum, it's time to add some oil!

Choosing the Right Oil

Using the correct type of oil is just as important as using the right amount. Subaru recommends using 0W-20 synthetic oil for the 2021 Forester. Synthetic oil provides better protection against wear and tear, especially in extreme temperatures. It also tends to last longer than conventional oil, which can extend the intervals between oil changes.

You might see other oil types recommended, but sticking with the manufacturer's recommendation is generally the safest bet. Your engine was designed to work optimally with 0W-20 synthetic oil, so why mess with success?

Step-by-Step: Changing Your Oil

If you're the DIY type, changing your own oil can save you some money and give you a sense of accomplishment. Here’s a basic guide to changing the oil in your 2021 Subaru Forester:

Tools and Materials You'll Need

• 5.1 quarts of 0W-20 synthetic oil: As we discussed, this is the recommended oil for your Forester.
• New oil filter: Use a high-quality oil filter that’s compatible with your Forester.
• Wrench for the oil filter: Make sure you have the right size wrench to remove and install the oil filter.
• Socket wrench and socket for the drain plug: Again, ensure you have the correct size.
• Oil drain pan: To catch the old oil.
• Funnel: To pour the new oil in without making a mess.
• Gloves: To keep your hands clean.
• Rags or shop towels: For wiping up spills.
• Jack and jack stands (optional): To lift the car for easier access to the drain plug. Never work under a car supported only by a jack – use jack stands for safety.

The Oil Change Process

1. Warm up the engine: Run the engine for a few minutes to warm the oil. This helps it flow more easily.
2. Prepare the car: Safely lift the car with a jack and secure it with jack stands if needed. Make sure the car is stable before you start working.
3. Locate the oil drain plug: It’s usually on the bottom of the oil pan.
4. Place the drain pan: Position the drain pan under the drain plug to catch the old oil.
5. Remove the drain plug: Use the socket wrench to loosen and remove the drain plug. Be careful – the oil may be hot!
6. Let the oil drain completely: This may take 15-20 minutes.
7. Remove the old oil filter: Use the oil filter wrench to loosen and remove the old oil filter. Have a rag ready to catch any drips.
8. Install the new oil filter: Lightly lubricate the rubber gasket on the new oil filter with fresh oil. Screw the new filter on by hand until the gasket makes contact, then tighten it another ¾ turn. Don't overtighten!
9. Reinstall the drain plug: Clean the drain plug and install a new crush washer if necessary. Tighten the drain plug to the manufacturer's specified torque (check your owner's manual for the correct torque).
10. Lower the car: If you used a jack and jack stands, carefully lower the car.
11. Add new oil: Open the oil filler cap and use a funnel to pour in 5.1 quarts of 0W-20 synthetic oil.
12. Check the oil level: Use the dipstick to make sure the oil level is between the minimum and maximum marks. Add more oil if needed.
13. Start the engine: Run the engine for a few minutes and check for leaks around the drain plug and oil filter.
14. Turn off the engine and recheck the oil level: After the engine has been running, turn it off and wait a few minutes before checking the oil level again. Top off if necessary.
15. Dispose of the old oil properly: Take the old oil to a recycling center or auto parts store. Don't pour it down the drain or into the ground!

A Few Extra Tips

• Consult your owner's manual: This is your best resource for specific information about your 2021 Subaru Forester.
• Use quality parts: Don't skimp on the oil and filter. Using high-quality parts can help extend the life of your engine.
• Keep records: Keep a log of your oil changes, including the date, mileage, and type of oil used. This can be helpful for tracking your maintenance schedule and for resale purposes.
• Consider professional service: If you're not comfortable changing your own oil, take your Forester to a qualified mechanic. They can ensure the job is done correctly and can also perform other important maintenance tasks.

Symptoms of Low Oil Level

Knowing the signs of low oil can help you catch a problem before it becomes a major issue. Here are some common symptoms:

• Low oil pressure light: This is the most obvious sign. If the oil pressure light comes on, pull over as soon as it’s safe to do so and check your oil level.
• Engine knocking or ticking: This can be a sign that the engine parts aren't being properly lubricated.
• Overheating: Low oil can cause the engine to overheat.
• Burning oil smell: This could indicate an oil leak or that the engine is burning oil due to low levels.

Conclusion

So there you have it, everything you need to know about the oil capacity of your 2021 Subaru Forester. Remember, maintaining the correct oil level and using the right type of oil are essential for keeping your Forester running smoothly for years to come. Whether you're a DIY enthusiast or prefer to leave it to the pros, staying on top of your oil changes is one of the best things you can do for your car.

Drive safe and happy motoring!