How To Change Motor Oil In Ford Mustang?

By Nick Marchenko, PhD

Updated: September 22, 2023

Regular maintenance, including changing the motor oil, is key for ensuring the smooth performance of your Ford Mustang’s engine. The oil is essential for lubricating all engine components, cooling, and maintaining steady operation of the engine.

Without oil, your engine wouldn’t last more than five minutes before it jams and becomes inoperable. While oil is vital, it does lose its properties over time.

To prevent any engine damage, it's crucial to change the oil periodically.

Fortunately, changing the oil is a straightforward process, especially if you have some basic knowledge of your Ford Mustang's structure. It can be done quickly at any service station, probably in less time than it takes to enjoy a cup of coffee!

But if you’re looking to save some bucks or if you’re a car enthusiast who loves a hands-on approach, stick around! We’re diving into how you can change the motor oil in your Ford Mustang.

Key Takeaways:

• Changing the motor oil regularly is crucial for maintaining the performance of the Ford Mustang’s engine.
• The recommended oil change interval for the Ford Mustang is between 5,000 to 12,000 miles, depending on the oil type.
• Using old engine oil for extended periods can circulate harmful elements in the system, causing engine damage.
• When changing the oil, it's vital to select the appropriate oil, change filters, and dispose of used motor oil responsibly at designated centers.

How often should you change the oil in a Ford Mustang?

For passenger cars like the Ford Mustang, manufacturers recommend changing the engine oil every 6,200 to 9,300 miles, approximately.

Regardless of the miles clocked, it’s good practice to change the oil at least once a year, even if your Mustang has just been sitting in the garage.

The service manual for your Mustang will provide specific guidelines on the frequency of oil changes, which depends on how intensively you use your car.

Here’s a general guideline for oil replacement intervals in your Mustang:

Average Ford Mustang oil replacement intervals:

• Conventional oil - change interval - 5-7 thousand miles, or once a year, whichever comes first;
• Synthetic lubricant - Depending on the composition, synthetic oils can last longer. Semi-synthetics should be changed every 8-9 thousand miles, and full synthetics every 12 thousand miles. However, monitor your engine’s performance – if there are any changes or inconsistencies, it might be time for an oil change;
• Along with the oil, it’s advisable to replace all filters. The oil filter should be changed with the oil, while replacing air and fuel filters are optional (but recommended).

Why is it important to change the engine oil in a Ford Mustang?

As the engine operates, the oil comes into contact with all its components, lubricating them and collecting any debris present, such as soot, metal shavings, and carbon deposits.

Delaying oil changes can result in these contaminants circulating through the system, causing internal engine damage.

Moreover, low-quality or old oil can lose its properties at high temperatures and fail to lubricate the engine adequately, leading to potential issues such as overheating and seizing.

How to choose the proper oil for Ford Mustang?

Choosing the right oil is vital. While oils might seem similar, they vary in characteristics and can significantly impact the engine's performance.

When selecting oil for your Mustang, consider the following factors:

Price. Opt for oil that suits your budget, but avoid overly cheap options. Counterfeit oils can be damaging, and it’s better to invest in quality to avoid engine issues. Remember, buying cheap can end up being expensive in the long run;

Manufacturer. Renowned manufacturers are less likely to produce subpar products. Purchase oil only from certified sellers to avoid fakes;

Viscosity. This is a critical factor. Viscosity, indicated by numbers like 5W-30, 10W-40, etc., measures the oil’s resistance to flow. The number before the “W” (which stands for Winter) indicates the oil’s viscosity at low temperatures, and the number after the hyphen signifies the viscosity at 100°C. Ensure that the oil’s viscosity matches the specifications of your Ford Mustang and the climate of your region.

API Classification: Hey, you know how Joey from Friends loves cars, right? Similarly, cars love the right oil! The American Petroleum Institute (API) classifies oils for engines like the Ford Mustang based on their performance characteristics - whether they’re for gasoline or diesel engines.

They’re listed as "SN", "SM", "SL" for gasoline engines, or "CK-4", "CJ-4", "CI-4" for diesel engines - just check the oil can!

Additives: Alright, so motor oils have these cool additives that do all sorts of jobs:

• Detergent additives: They keep your Mustang's engine clean;
• Dispersants: Prevent sludge from forming;
• Antioxidants: They’re like the Joey of oils, keeping things fresh!
• Anti-wear agents: Protecting the engine parts, that’s the way to go!
• Corrosion inhibitors: No rust allowed here!
• Friction modifiers: Improving fuel efficiency - more road trips!

Type of oil: We got mineral, synthetic, or a mixture of both.

• Mineral oils: Straight from crude oil through refining;
• Synthetic oils: Made using chemical processes for better performance, especially at extreme temperatures - like when you’re racing your Mustang!

Not sure which oil is the one for your Mustang? No worries! We’ve got the list of recommendations here.

Wanna choose the oil yourself? Sure thing! Check out our detailed guide on picking the right oil here.

How to change the oil in Ford Mustang?

Changing the oil is simpler than Joey finding a new date! But, there are a few moments to take into account to provide a smooth operation while at the same time preventing any harm to the vehicle or oneself.

Time required: 30 minutes

Level of difficulty: 2/5

People needed: 1-2

Necessary equipment: 

• A set of wrenches or sockets;
• Rag(s);
• A key for unscrewing the filter or a belt;
• A container for draining used oil;
• New oil for your Mustang;
• A new oil filter

Preparation Setup

First things first, wear something you don’t mind getting dirty - maybe not Joey’s Ichiban lipstick for men, but you get the idea!

You might get a little messy with oil, so be prepared. And think about where you’ll be changing the oil. You need access to the bottom of your Mustang.

Here are a few options:

• Drive your Mustang onto the ramp or into the pit in the garage;
• Lift it up, secure it, and make sure it won’t fall - safety first!
• Let your Mustang cool down for at least 10–15 minutes if you’ve just taken it for a spin.

Locate and unscrew the oil cap on the engine

Unscrew the oil filler cap, clean it, and let’s get to the next step!

Find the oil drain plug

Get under your Mustang and find the plug on the engine. Have a suitable container ready for the used oil - remember, we don’t want any spills!

Revving up Your Ford Mustang: A Comprehensive Oil Change Guide

1. Unbolt the Oil Plug

First things first, pick the right key for the plug. Gently turn it - you wouldn’t want to damage anything! If the plug’s playing hard to get, an impact wrench might just do the trick.

Heads up! The moment that plug’s out, the oil’s gonna make a break for it. Be ready with a container and stay tidy.

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2. Draining the Oil

Hang tight while the oil takes a leave. Inspecting what’s coming out? Good call! Any shavings or particles could spell trouble, better get in touch with a mechanic if you spot any!

3. Bolt the Oil Plug Back In

Before the plug goes back, give it a wipe. A bit of degreaser or WD-40 won’t hurt. Got it all clean? Screw it back in, not too tight, not too loose, just right – check the Mustang’s manual for the specifics.

4. Unbolt the Oil Filter

Time for the oil filter. Can’t get it off? Try the belt trick, works like a charm. Still stuck? Special tool to the rescue! And remember, it might get a little messy, so have a rag ready.

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5. Fit in the New Oil Filter

Lube up the seal on the new filter with some oil. Screw it in snug, and you’re golden!

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6. Pour in the New Motor Oil

All set? Time for the new oil! Check out how much your Mustang needs. Keep an eye on the levels and you’re good to hit the road!

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Don’t Forget About the Used Oil!

You’ve got your Mustang purring with fresh oil, but don’t just dump the old stuff. Recycle it! It’s a small step to keep the world turning smoothly!