If your vehicle has worn main bearings, the rear main seal can actually leak because the crankshaft is able to move excessively inside the bearings which will stretch and move the rear main seal while the engine is running allowing oil to leak past the seal .
Is a rear main seal leak serious?
Rear main seal leaks are so dangerous because it is possible for the leak to occur at a very fast rate . Due to the location, it is subject to high oil pressure. It is also connected to the engine, which must be slick with oil to function properly.
How do I stop my rear main oil seal from leaking?
If you’ve discovered a rear main seal leak in your vehicle, seal the leak today before it’s too late. Head to your local auto parts stores and pick up BlueDevil Rear Main Sealer . Simply add BlueDevil Rear Main Sealer to your vehicle’s engine oil and your rear main seal leak will be stopped as your drive your vehicle.
How much does it cost to fix a rear main seal leak?
Amade of either rubber of silicone, this main seal is crucial in keeping the liquid where it should be, and typically requires a replacement to be fixed when getting damaged The rear main seal replacement cost is usually between $410 and $517 , with labor costs estimating between $388-$491 of the total.
What is the best stop leak for rear main seal?
Bar’s Leaks Concentrated Rear Main Seal Repair (p/n 1040) is specially formulated to stop leaks at the rear main seal, and it also works better than a conventional stop leak on all other oil leaks, including those at the timing cover seal, O-rings and other seals and gaskets, according to the company.
Can you replace a rear main seal without removing the transmission?
It is made to endure without having to be repaired and not be bothersome to the car owner. ... The process in repairing the rear main seal most frequently requires the transmission to be removed but there are also ways car owners can undertake if removing the transmission is so much of a hassle.
How long does it take to fix a rear main seal leak?
However, the process to get to the rear main seal to replace it often requires removal of the entire engine and transmission from the vehicle, a job that can only be done by very skilled mechanics and even then can take 6-10 hours !
How do you check a rear main seal leak?
The best way to prove that you’ve got a rear main seal leak is the check if the engine side of the flexplate or flywheel is oily . If the rear main seal is leaking on your engine it will drip oil onto the flexplate or flywheel and sling oil around the bellhousing.
How hard is it 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 Rear Main Sealer safe to use?
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.
How long does it take for Blue Devil rear main sealer work?
Just be patient and give it 30-45 days to work.
Will Bar’s Stop Leak hurt my engine?
Bar’s Leaks for Your Vehicle
In the end, off-brand products could possibly damage your engine – we hear stories about it on a weekly basis. When you carefully follow the instructions for our engine, radiator or other stop leak products, there is no risk of damage .
Does Stop leak damage your engine?
Over use of radiator stop leak can plug up your radiator fluid system through the engine,the water pump and thermostat and may cause damage to the engine as a result by not allowing it to cool properly. ... This is not recommended for a long term fix though as it does cut down the cooling ability of your system.
Where does a rear main seal leak from?
An oil leak from the main seal, also known as the rear crankshaft seal, will usually drip from where the transmission connects to the engine , though it may show up elsewhere, such as on the oil pan.
Does Blue Devil ruin your engine?
5 Answers. Adding “Blue Devil” sealer or any other non-approved chemicals to a motor vehicle is not necessary, a waste of money, can be dangerous (destructive) to the engine and may void the new car warranty.
