Having a Jeep 4.0 is so awesome. The car is so good that you can use it almost everywhere, but only if you can keep its engine well run. And for that, you need to know your Jeep 4.0 oil type and capacity range.
Well, the oil capacity of Jeep 4.0 is 6 quarts. You’ll find different ranges for different car models, but most will have the same range. Conventional, synthetic, and high mileage oil are the ones you’ll prefer here. Again, using the right oil only will be suitable for the engine.
There are many things to do to get the peak use of your Jeep 4.0. I am sure you’d want a consistent performance from this vehicle, right? Here you are with the best guide to Jeep 4.0 oil capacity and type. Scroll down; you’ll explore stuff you’ve been unaware of.
Jeep 4.0, having an average oil capacity of around 6 quarts, has been varying since its innovation and model upgradation. Thus, the capacity and models have been drastically changing over the years. Let’s see what has been changed in the table below.
|Model||Engine Type||Oil Capacity||Specific Oil Type|
|1996||4.0L L6||6 quarts||STP 10W-30 High Mileage Oil|
|1998||5.2L V8||5 quarts||5W-30 Synthetic|
|1999||5.9 V8||5 quarts||5W-30 Mineral Oil/Conventional Oil|
|2001||4.0L V6||6 quarts||SAE 5W-30 Synthetic Oil|
|2002||4.0L V6 4.7L V8 (Code [J] J) 4.7L V8 (Code [N] N)||6 quarts||5W30 (Below 100F) or 10W30 (Above 0F) Synthetic Oil|
|2006||3.7L V6 4.7L V8 5.7L V8||5 quarts 6 quarts 7 quarts||5W30 Synthetic Oil 5W20 Synthetic Oil|
|2018||2.4L 4-Cylinder 3.2L V6||5.5 quarts 5.9 quarts||SAE 0W-20 Synthetic Oil|
|2019||3.0L V6 3.6L V6 5.7L V8||8.1 quarts 5.9 quarts 7 quarts||5W-40 Synthetic Oil 0W-20 Synthetic Oil 5W-20 Synthetic Oil|
Jeep SUVs have one thing in common, their oil capacity because most of car uses the same 4.0 engines that can take around 6 quarts of oil. That’s more like 1.5 gallons of 5.7 liters of oil.
Likewise, you’ll be using 5 quarts of oil every time for safety. Yeah, most mechanics say and suggest you do so. Just keeping some space for convenient breathing of the engine or something you can think of.
However, when changing the oil filter, ensure to fill the oil to the top level. The same goes for the engine oil as well. But that, too, wouldn’t cross around 5.5 quarts though six quarts capacity is the negligible capacity of the Jeep 4.0.
So remember, the amount always stays below 6 quarts or around 5.5 quarts. Again, for different purposes, you’ll find oil sticking to the surface when changing the engine.
Trying different kinds of oil, we operated the Jeep 4.0 quite successfully, but you’ll always prefer the one that goes well and suits you perfectly, right? If you are one among us, the below oil will hit you differently and make your Jeep smoother.
1. Mineral oil/conventional oil
Mineral oil, also known as conventional oil, is one of the most common oils used on vehicles. Works well for the SUV to drive. No exception for Jeep 4.0 as well.
These oils are refined from underground crude oil. The simplest cars with no fancy functions or uses are the most regular and go-to oil users. They are the most affordable ones in the market as well.
Nevertheless, they have some drawbacks because, within the price and availability, you won’t get the whole package of this oil. In low temperatures, the oil thickens. As a result, you must heat the oil to make it usable and run in your car.
At high temperature, on the other hand, they tend to remain thin and stays at their usual position or shape. This makes the oil-prone to sludge and tar deposits. All these happen inside as the oil eases the way for them to form down inside. Your jeep would be needing more maintenance then.
2. Synthetic oil
Engine and other stress would’ve been impossible to bear without synthetic oil. You must’ve seen Jeep driving without fenders or with fenders and rolling over uneven tracks and hilly areas. While doing those, don’t confuse yourself by thinking they use the usual oil.
That is because performing any heavy job with your Jeep is impossible without synthetic oil. So, never think of doing snowmobile trailing or hauling, or other relevant activities without using this oil. Synthetic oil is the ideal choice for this purpose.
From the name ‘synthetic,’ you can figure out how good lubrication it has. One of the best things about this oil, it won’t gather or form any tar or sludge. Nevertheless, the impact of temperature on the oil is negligible as well.
Besides, synthetic oil is an essential requirement of many jeep models like SUVs. It mentions the temperature adjustability trait that makes it undisputed for heavy uses. And with this thread, the engine’s efficiency, power generation, and longevity improve by many folds.
Accordingly, common oil can be an excellent addition to your Jeep 4.0 for better mileage. It is not as good as synthetic oil but promises to live up to the expectation of keeping your car moving forward.
Likewise, for vehicles with around 75,000 and 100,000 mileage, standard oil is a go-to use in the first place. It’s also economical and can maintain its features at uneven temperatures, and leaks improve wear protection and other enhancements.
The oil varies a lot as per their features. Viscosity, temperature adjustability, engine enhancement, and whatnot. Therefore, selecting the right oil for your Jeep 4.0 is a prime duty. So don’t miss it; read the following section.
And we know you won’t miss it because we’ll be portraying all the factors you must consider while selecting the right oil for your Jeep 4.0 here.
1. Temperature convenience
If Jeep 4.0 oil not flowing well with the running temperature is a loss for you. The oil’s viscosity should be well adjustable and performed for the engine.
We divide the oil per its viscosity nature at low and high temperatures using “W”-grade and the “Single”-grade.
Indicates your oil’s cold viscosity. It is your oil’s thickness before you start up your car’s engine. The lower the grade, the lower the viscosity, and the better the flow.
This is a useful feature when driving or resting your car in a cold environment. The tendency to freeze the oil is higher there, so this feature comes into account. Thus, an oil with suitable viscosity will help you to run the vehicle smoothly with better lubrication and less hassle in starting.
- Single Grade
This grade indicates the viscosity of your oil when it reaches its operating temperature. That means, the oil flow when your engine is hot.
In that case, the car that has more viscosity will tend to function better because the lubrication will be adjustable at high temperatures with more viscosity.
2. Oil costings
You’ll save more per running batch when your oil is of low viscosity. The engine friction will capture less oil and use a maximum for high output. This means you’ll be benefitting economically here as well.
However, as the engine will be functioning faster, there is a high chance of your engine’s fast wear. Also, maintenance will be quite often than usual. The decision will be up to you to get the one as per requirements.
Just don’t think your car’s oil will work accordingly as you get the right one. Your engine is the one that’ll decide the outcome. So, it has to be efficient.
Similarly, your engine’s age will decide how well the outcome from the oil will be. As time passes, your jeep 4.0 engine will experience certain blocks. Moreover, the work in the cylinder will experience hassle as they tend to lose.
So, it’s better to use oil with high viscosity to lubricate the parts than low viscosity ones. This will result in low wear and tear on your engine.
Don’t keep the same oil in your engine for a long time. Changing the engine oil frequently will result in better performance and increase the longevity of your engine.
But when will you change that? We figured it out after driving and observing jeep 4.0 at specific tests and experiments. You can implement our observation as follows for a better run of your SUV.
1. Engine Noise
This is the first mode of signal you’ll be getting when it’s time to change your engine oil. When your oil level is low, or the viscosity decreases, you’ll hear a rumbling sound from your engine. It is because the parts remain less lubricated, and the friction between them is high.
Consequently, the sound comes directly with every collision or strike. In that case, pull the dipstick from your jeep and remove the excess oil to change that. Insert it inside the tube and check the oil level there.
If the oil is too dark or black, change the oil as soon as possible and the rest depends on you. The dipstick will have markings to indicate the level of the oil. As per the result, you can take your actions too.
2. Checking mileage
Straight up, check your vehicle’s oil after every 3,000 to 5,000 miles of usage. This is the average mileage checking of most Jeep vehicles. Although most might have a 7,500 to 10,000 miles limit, it is better to play safe out there.
3. Schedule the oil change
Once you change the oil, why not keep it note on paper and stick it somewhere in the car? This will help you to keep proper maintenance of your engine’s oil. Also, you can check the engine’s oil slightly after your sight goes to the schedule.
Some of the latest Jeep vehicles have automatic oil change reminders in the car. So, as soon as the oil is about to finish, the indicator will remind you.
Maintaining your Jeep 4.0 is just a matter of mere knowledge. Getting the right Jeep 4.0 oil type and capacity enables you to give extra life and supplement your vehicle.
If you mend them and follow the instructions, there is no chance your Jeep’s engine will not work well. In addition, the engine will last longer than you’ve been expecting with better performance.
I am Rick Bofia, a Jeep mechanic with a wealth of experience in repairing and maintaining Jeeps of all models and ages. I take pride in my expertise in diagnosing and repairing complex Jeep problems, from engine and transmission issues to suspension and brake system repairs. My passion for Jeeps and my dedication to delivering top-quality services have earned me a reputation as a reliable and trustworthy mechanic in the Jeep community. Whether you need routine maintenance or major repairs, you can trust me to get your Jeep back on the road in optimal condition.