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How to Change Your Oil: A Step-by-Step Guide

Changing your oil regularly is one of the most important maintenance tasks when it comes to keeping an engine running efficiently. Fresh oil lubricates moving parts, reduces wear and helps prevent overheating. Whether you're maintaining your personal vehicle or overseeing a fleet of vehicles, routine oil changes improve performance and longevity.

by

Zach Searcy

Mar 5, 2025

4 min read

⚠️ Note: Always refer to your owner's manual for the correct oil type, filter specifications, and recommended change intervals.



What to Expect

  • Time Needed: 30-45 Minutes
  • Difficulty: Moderate
  • Average Cost: $78

What You’ll Need

  New oil (check manual for type & amount)
  New oil filter
  Wrench (for oil drain plug)
  Oil filter wrench (if needed)
  Oil catch pan
  Funnel
  Gloves & shop rags
  Hydraulic lift, ramp or jack stands (if needed)

Draining oil from vehicle into oil pan

How to Change Your Oil

Step 1: Prepare the Vehicle

  • Park on a level surface and let the engine cool down for about 10 minutes.
  • Engage the parking brake and, if needed, raise the front of the vehicle using a jack and jack stands.

Step 2: Drain the Old Oil

  • Place an oil catch pan under the drain plug (located at the bottom of the engine oil pan).
  • Use a wrench to loosen and remove the drain plug, letting the old oil drain completely.
  • Once drained, reinstall and tighten the drain plug securely.

Step 3: Remove and Replace the Oil Filter

  • Use an oil filter wrench (if needed) to unscrew the old filter.
  • Apply a thin layer of new oil to the gasket of the new oil filter to ensure a proper seal.
  • Install the new filter hand-tight, then turn an additional ½ to ¾ of a turn.

Step 4: Add New Oil

  • Remove the oil fill cap (on top of the engine) and insert a funnel.
  • Pour in the correct amount and type of oil (check owner’s manual for details).
  • Replace the oil cap securely.

Step 5: Check Oil Level & Clean Up

  • Start the engine and let it run for a minute, then turn it off and wait a few minutes.
  • Use the dipstick to check the oil level, adding more if needed.
  • Dispose of used oil properly by taking it to a recycling center or auto parts store.

Avoid These Common Mistakes

  • Using the wrong type or amount of oil. Using the incorrect oil viscosity or not adding enough oil can cause engine wear or overheating. Always check your owner’s manual for the correct specifications.
  • Over-tightening the drain plug or filter. Cranking the drain plug or oil filter too tight can strip threads or damage seals, leading to leaks. Tighten to manufacturer-recommended torque.
  • Not disposing of old oil properly. Used oil is hazardous waste and should never be dumped. Take it to a recycling center or auto parts store that accepts used oil for proper disposal.

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FAQs

How often should I change my oil?

Most vehicles require an oil change every 5,000–7,500 miles, but high-mileage or fleet vehicles may need more frequent changes. Always check your owner’s manual for the recommended interval.

What happens if I don’t change my oil?

Old oil breaks down over time, causing engine wear, overheating, and sludge buildup. Skipping oil changes can lead to poor performance and expensive repairs down the road.

How do I dispose of the old oil?

You cannot dump used oil, instead you should collect it in a sealed container and take it to an auto parts store, recycling center or maintenance shop that accepts used oil. Many of these locations will dispose of your oil at no charge.

How much oil does my vehicle need?

Most vehicles require 4-6 quarts, but it depends on the engine size. Always refer to the owner’s manual for the correct amount and type of oil.

How much does an oil change cost?

DIY oil changes cost $25–$75, depending on the oil type and filter. A professional oil change ranges from $50–$125 at a service center.

Can I change my oil myself?

Yes! If you have the right tools and a safe workspace, changing your oil is a straightforward process that can save time and money.

About the Author


Zach Searcy

Zach Searcy

Senior Content Marketing Manager

Zach Searcy is the Senior Content Marketing Manager at Fleetio with more than 5 years of experience in the automotive and fleet industries. His content creation days started in middle school when he and his friends began filming lightsaber battles to upload to a new website: 'YouTube.'

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