Is a rear main seal leak worth fixing?

It’s a very important seal since it is so low on the engine a significant amount of oil can quickly leak from it, allowing your engine oil levels to get dangerously low before you have time to add more oil. That’s why, if yours is faulty, a rear main seal leak fix should be at the top of your to-do list.

How much does it cost to fix rear main seal?

For many car owners, such news could cause a bad day because the rear main seal replacement is one of the most expensive, most labor-intensive, and most-dreaded repair jobs to do on your vehicle. It can cost you $600 to $900 or more at a dealership.

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Can you replace a rear main seal without removing the transmission?

Usually, we will need to remove the transmission before reaching to the rear main seal. But you can do this rear main seal replace without removing the transmission. It is not less difficult than the other way, however, you can do it on your own.

Is it hard to replace a rear main seal?

Its’ Hard. Replacing a rear main seal is time consuming, requires special knowledge of your vehicle and the use of special tools if you are going to do it correctly and without placing you or your vehicle in danger.

Is a rear main seal leak worth fixing? – Related Questions

Can you stop a rear main seal oil leak?

There are special oil additives on the market that are designed to swell the rubber of the rear seal and cause it to expand, thus sealing off the leak. You can also try using thicker weight engine oil, like 50 weight. The thicker oil can fill in the gap between the seal and the crankshaft, and could slow the leak down.

How urgent is a rear main seal leak?

If the seal tears or cracks at all your crankshaft rotation can cause the seal to get torn up very quickly causing a very fast leak. A fast leak can lower your engine oil level to dangerous levels very quickly and dangerously low oil levels can lead to permanent engine damage.

Can a rear main seal leak damage transmission?

If this critical seal is damaged or weakened, oil leakage can cause serious powertrain problems that could affect both the transmission and the engine itself.

How do I know if my rear main seal is gone?

Does bars Rear Main seal Repair work?

Yes. Even though it is specially designed to seal rear main leaks, it also works better than a conventional stop leak on all other engine oil leaks. This includes the timing cover seal, cam seals, O-rings and other seals and gaskets.

Is it OK to drive with rear main seal leak?

Driving with a rear main seal leak is dangerous due to the high possibility of a very fast leak. A fast leak will lower your engine oil level to dangerous levels very quickly, which can lead to permanent engine damage.

What is the best oil stop leak for a rear main seal?

If you’re looking for universal protection, then Lucas Oil 10278 Engine Oil Stop Leak is the best engine oil stop leak product on the market. Customers who want to stop leaks and save money should use ATP AT-205 Re-Seal Stops Leaks.

Will Blue Devil rear main sealer harm my engine?

Is Blue Devil Bad for Your Engine? The answer is a resounding no. And if you are wondering about the safety of using other brands of rear main seal conditioners and stop-leak products like Bar’s Leak or Justice Brothers, don’t worry. They almost all use the same active ingredient.

What causes rear main seal failure?

It is also crucial to check your oil and change it as needed, as low oil levels can cause issues with the rear main seal. Excessive heat, old age, high mileage, infrequent use, and worn bearings can also be factors contributing to rear main seal failure.

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How long does it take for BlueDevil stop leak to work?

You should expect to see results after about 100-200 miles of driving. The BlueDevil Oil Stop Leak does not harden or thicken in anyway. It works by revitalizing & reconditioning rubber seals/gaskets, to get them back to there original shape and there original flexibility.

How much BlueDevil Rear Main Sealer do I use?

Directions | BlueDevil Rear Main Sealer | Part #00234

Turn engine off, pour 1 bottle (8 oz.) into engine oil. One 8 oz. bottle treats up to 8 quarts of oil.

Does Lucas Oil Stop leak work on rear main seal?

I am most familiar with Lucas products so I chose to give this a try before spending $2000 to drop the transmission to replace the rear main seal. To my surprise, it worked. I drove it around for 50 miles and no sign of leaking. I let the car sit for a few days and there was a huge puddle of oil under the car.

Is BlueDevil Oil Stop Leak safe?

BlueDevil Oil Stop Leak seals engine oil leaks permanently. It is non-clogging and will not harm your engine. BlueDevil is safe and easy to use and is compatible in gasoline or diesel engines.

Can you use too much BlueDevil?

Adding too much of this is enough to cause blockages in heater matrixs and radiators. Before doing anything to repair a non-existent head gasket leak, have either a compression test or leak down test carried out as this will generally be cheaper than one of these liquid gasket repair fluids. Save this answer.

Is BlueDevil a permanent fix?

The BlueDevil head gasket sealer ensures that your car’s vital component, the engine, is permanently fixed in terms of seals and cracks. The sealant flows to a leak point to create a permanent seal, ensuring no fluid loss or risk of an engine misfire.

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