2008 Scion xB Engine Oil Capacity

Due to some oil consumption issues on the 2008 Scion xB, it’s essential to understand engine oil capacity—learn more here!
Written by Drew Waterstreet
Reviewed by Melanie Reiff
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Understanding your engine’s oil capacity is essential to maintaining key performance metrics. This is especially true for 2008 Scion xB owners, who often report excessive oil consumption.
Oil is the lifeblood of your engine. It provides the lubrication needed to minimize friction and reduce wear and tear. Therefore, keeping tabs on the condition of your oil is essential to preserving the longevity of your vehicle. 
However, the noted oil issues with the 2008 Scion xB can make this maintenance responsibility a little more complex. But don’t worry, the experts at
Jerry
, the super app that saves drivers time and money on
car insurance
shopping, have created this guide to help you out! We’ll cover how much oil you need, what oil type works best, what a proper maintenance schedule looks like, and we'll even give you tips to help save on Scion xB insurance costs!

2008 Scion xB engine oil capacity

How much oil does the 2008 Scion xB need? The 2.4 L 4-cylinder engine that powers your 2008 Scion xB has an oil capacity of 4.5 quarts or 4.3 liters. Many larger engines require five to six quarts of oil, so you’ll have the benefit of saving $10 to $15 per oil change!
Something else to keep in mind—engine displacement and oil capacity are not the same thing. The 2.4-liter attribute within the engine type refers to the volume its cylinders take up. Oil capacity refers to the amount of oil required for each oil change. So, while they’re measured the same, the responsibility is very different.

What kind of oil does a 2008 Scion xB need?

Most auto parts stores have a whole aisle dedicated to engine oil. The overwhelming amount of options can make your selection a daunting task. 
Luckily, the search can be made simple if you know what you’re looking for—consider these two options for your 2008 Scion xB:
  • Owner's manual recommendation: SAE 5W-20
  • Alternate owner's manual recommendation: SAE 0W-20
Obviously, you can take the owner's manual recommendation as your unarguable solution, but let us explain the differences between these oil grades. The numbers and letters on the label directly impact your engine’s performance and efficiency, so they are important to understand. Let’s break it down:
  • First number: Viscosity level at 0°F
  • Letter ”W”: Performs well in cold weather
  • Second number: Viscosity level at 212°F
Viscosity is the thickness/thinness of your oil. Lower viscosity (thinner) will result in less wear and tear on your engine and better fuel economy. To give you an opposing visual, high viscosity oils are thick and sluggishly run through your engine, which dulls performance and can cause severe damage.

How often to change the oil for a 2008 Scion xB

In normal circumstances, it's recommended to change your oil every 3,000 to 5,000 miles or every six months if you drive a lot. But the 2008 Scion xB has notable issues with excessive oil consumption, which can shorten this timeline. This is mainly accredited to a faulty piston issue.
Low levels of oil will trigger your
check engine light
. Here are some less-overt warning signs that could notify you that it’s time for an oil change.
  • Unfamiliar noises coming from your vehicle 
  • New smells, especially anything that smells like oil, smoke, or burning
  • Decrease in your vehicle’s performance
Knowing the issues with the 2008 Scion xB, it’s important to keep close tabs on your engine oil. A sufficient routine would be to check it every month or whenever you stop at the gas station. 
And, of course, if you notice any of the warning signs, evaluate the oil’s condition immediately. Procrastinating an oil change for too long can prove to be fatal for your vehicle’s engine.

How to change your oil and oil filter

With the outrageous prices at the gas pump these days, everyone is looking for ways to save money as a car owner. Changing your oil manually is one way to do just that—savings range anywhere from $25 to $75. 
Considering the oil consumption issues with the 2008 Scion xB, you may have to change your oil more often. So acquiring this skill should prove to be a worthy investment. Here’s a step-by-step instruction guide to changing your oil:
  • Gather materials: A socket wrench, drain pan, filter wrench, replacement filter, and oil of your choice
  • Prepare the car by letting it run until it reaches operating temperature
  • Remove the oil fill cap
  • From underneath the engine, you’ll want to remove the oil drain bolt and washer, which will drain the old oil into a pan below
  • Remove the old oil filter and continue to let the oil drain until the drip stops
  • Install the new oil filter
  • Replace the oil drain bolt using a new washer and tighten it to 29 lb-ft
  • Refill the engine with your oil of choice and replace the fill cap
Congrats! The hard part is done. But there are a few additional steps you should take to wrap things up and double-check your handiwork:
  • Use your dipstick to make sure that you’ve added a sufficient amount of oil
  • Run the vehicle’s engine for a few minutes to ensure there are no leaks
  • Appropriately dispose of old oil at a local recycling center
After changing your oil, it’s a good idea to turn on your car and let your engine run for about 30 seconds before you check the oil level. This will give you a more accurate measurement, and you’ll be able to top it off if necessary.
Now you’re free to go—until the next oil change, of course!
MORE: Essential car tools and supplies

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