How to Replace Jeep Wrangler Rear Main Seal under $400

The hydraulic seal that keeps oil from escaping and is placed at the back end of the Jeep engine is called the rear main seal. This seal links to either the shaft or the gearbox and is responsible for its location.

Whenever you discover any signs of oil leakage, check to see if the seal is solid or has been shattered as soon as you detect the leak.

Because of several fundamental factors, the replacement cost may remain around $400 and $1050. Nevertheless, it may reach a maximum of $1200 if certain factors are taken into consideration.

In this article, we’ll provide a detailed explanation of the complete process of replacing something with the purpose of enhancing your comprehension of it.

Jeep Wrangler Rear Main Seal Replacement Cost

Red Jeep Wrangler Suv on Outdoors

On the technological details, the actual expenditure of a Jeep rear main seal replacement relies on several factors, including the jeep’s model and year. It also depends on if it has rear or front-wheel drive, an automatic or manual gearbox and the extent of the damage to the jeep.

Component valuation for a typical automotive rear main seal replacement starts at $20 and mostly remains somewhere around $15 and $100.  The actual Jeep’s part is comparatively inexpensive in comparison to the amount of service fee. 

Workshop Service Fee

The cost of labor is going to be the primary expenditure associated with this maintenance work, and the going rate for it is normally $400.

The cost of employment often stays within the range of $450 to $900 or $1500, but it might reach as high as $2000.

Replacing the rear main seal on a Jeep may cost around $40 and $150, and the product cost may fall somewhere in that range. Furthermore, the price of the service fee to replace the rear main seal on a Jeep might range anywhere from $400 to $1820.

Keep in mind that the estimated costs shown above don’t include any applicable taxations or other duties or penalties.

When Should You Change The Rear Main Seal on Your Jeep?

Changing The Rear Main Seal on Jeep

Technically speaking, it is recommended that you replace it if you notice a fuel leakage in the car.

Whenever you find grease droplets on the basement surface or pavement, this is among the clearest symptoms that the rear seal on the Jeep wrangler has failed and has to be replaced.

When a driver has left their jeep parked in the street or basement for an extended time, they may find grease leaks in such areas.

However, you could also notice grease splashes when you are driving. If you do, the prudent thing to do as quickly as you notice them is either to continue the analysis to determine the true reason or get in touch with the local jeep service supplier so they can do it for you.

Another thing that might serve as a warning or indicator is if there is evident smoke pouring from below the jeep.

When the grease spills due to a fracture or breakage to the back seal, it usually drops on the tailpipe of the jeep and causes haze to be produced. This happens almost all of the time.

If you can smell strong flaming liquid from within the jeep’s interior, you should inspect the state of the back seal as soon as possible.

Additionally, if you see any collection of road debris or debris within the jeep’s gearbox and motor, this is an early symptom of breakage or a leakage in the back main seal.

Can You Replace a Rear Main Seal Without Removing The Transmission?

If you already have some experience working on automobiles, a good understanding of the jeep engine, and the necessary equipment, you should be able to replace the back main seal on your own without taking the gearbox out of the vehicle.

It is customarily considered to be an act of professionalism to carry out this kind of treatment. Because of the complexity of the issue, it is almost never feasible for you to do the repair on your own, and as a result, your technician would have to cost you a significant amount.

If you have a back main seal replaced, it’s likely that the expense will be more than what you need to pay, or perhaps greater than the worth of the car.

The following is a step-by-step list that will tell you how to replace a rear main seal without removing the gearbox.

  • Unplug the battery of the Jeep.
  • Take out the driveshaft and the flex plate.
  • Disconnect the Back Main Seal Hood.
  • Strip the seal from the crankshaft.


What Is the Average Time Required to Replace the Rear Main Seal?

A Rear Main Seal Replacement is required. Furthermore, replacing the back main seal may be a challenging task that can take anywhere from five to nine hours to complete, depending upon the degree of expertise of the technicians working on the vehicle.

In What Range Does the Cost of a Rear-Engine Seal Come In?

According to industry standards, a rear main seal will price around $500 to $8050, with a service charge ranging from $600 to $890 on top of the overall expanse.

Is It Difficult to Change the Rear Main Seal?

It is not easy. If you want to do it right and avoid putting yourself or the jeep in harm while doing it, replacement of a back main seal may take a significant amount of time, it takes specialized knowledge of the jeep, and it needs the use of such specialized equipment.

How Much Would It Take to Repair the Seal on The Back of the Engine?

It isn’t unusual for jeep drivers to hear such information. Since repairing the back main seal is among the most labor-intensive, costly, and feared maintenance on Jeeps. However, it’s also one of the most frequent types of repairs. The price range at dealerships is from $500 to $850.

How Much Would It Cost to Repair a Leaking Engine Seal on a Jeep Wrangler?

It’s possible to correct a fuel leakage for as little as $100 or as much as $1500, depending on the kind of jeep and the position of the leakage. However, the average cost to restore a fuel leakage is about $350. The excellent thing is that additional methods may often be used to repair engine fuel leakage.

Final Note

If you don’t want your jeep’s engine, gearbox, crankshaft, as well as other essential parts to wear down prematurely, replacing the rear seal seems to be the only way to save the jeep from dripping fuel problems.

Because of this, it’s imperative that you carefully read all of the information in this article regarding replacing the back main seal and adhere to all of the instructions.

About Brendan Burnett

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