You’ll need to replace your 2012 Jeep Compass rear differential fluid every 30,000 to 60,000 miles to keep your rear wheels properly lubricated. Choosing the correct oil type is crucial for the health of your Jeep’s rear differential.

While less common than an oil change, replacing your rear differential fluid is an important part of car ownership. However, not many owners know the basics of this crucial lubricant.

If you’ve got questions, we’ve got answers.

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The best 2012 Jeep Compass rear differential fluid

Our top recommendation for 2012 Jeep Compass rear differential fluid is Motorcraft’s

SAE 80W-90 Premium Rear Axle Lubricant

There are plenty of great options, however. Just make sure you choose a non-synthetic oil that matches the specifications outlined in your owner’s manual. Oil that is 80W-90 will be the correct viscosity, while oil-marked GL-5 will have the desired level of sulfur additives.

Here are some other great options for your rear differential fluid:

Motul USA Gearbox SAE 80W-90 Conventional API GL-5 Gear Oil

Sta-Lube SAE 80W-90 API GL-5 Limited Slip Differential Fluid

Cusco SAE 80W-90 Conventional API GL-5 Limited Slip Differential Fluid

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What is rear differential fluid—and why does your Jeep need it?

Rear differential fluid works like motor oil or transmission fluid—it lubricates part of your Jeep to keep your vehicle running smoothly.

In this case, the rear differential fluid keeps your rear axle lubricated. This does a few things—first, it keeps your rear wheels working correctly. It also allows the rear wheels to spin at different speeds and receive different amounts of torque. Your rear wheels spinning at different speeds is especially useful for off-roading.

How often to change 2012 Jeep Compass rear differential fluid

You’ll want to change your rear differential fluid every 30,000 to 60,000 miles. Why such a large range? While most cars will be fine waiting until closer to the 60,000-mile mark, cars driving in rough conditions or that are frequently used for off-roading may want to change closer to the 30,000 mark.

If you’re experiencing any of the following issues, it may also be an indication that it’s time to change your rear differential fluid:

A burning smell from the rear gearbox

Whirring, howling or straining noises

Any unusual vibrations

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Jeep resale value

How to change your 2012 Jeep Compass’ differential fluid

If you’re planning to change your rear differential fluid at home, here’s a step-by-step guide to changing your Jeep Compass’ differential fluid.

Before you get started, make sure you have the following materials on hand:

Carjack and jack stands

Socket wrench set

Fluid transfer pump

Drain pan

Once you have all these gathered, just follow these steps!

Step 1: You may need to jack up your Jeep for easy access to the rear differential.

Step 2: Remove the fill plug.

Step 3: Remove the drain plug and drain the old differential fluid into the drain pan.

Step 4: Once drained, replace the drain plug.

Step 5: Use your pump to fill the differential with your chosen fluid.

Step 6: Replace the plug and you’re done!

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How to find affordable Jeep insurance

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