Is it worth fixing a rear main seal?
The rear main seal is one of the essential seals in your vehicle that you don't expect to leak unless you're dropping your engine or transmission because replacing this seal requires dissembling the engine or transmission before you can reach it. via
Is it OK to drive with a leaking rear main seal?
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. via
What damage can a leaking rear main seal cause?
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. via
How much does it cost to replace a main seal?
Even though the parts won't cost more than $100, the cost of labor is what makes the rear main seal repair very expensive. Mechanics will charge between $500 and $1800 for the labor alone, with the average total cost of repair being $1100. via
How do you fix a rear main seal? (video)
Does rislone Rear Main seal Repair work?
Will Rislone Rear Main Seal Repair work on other oil leaks? 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. via
How many times can you use oil stop leak?
Add entire bottle of stop leak to engine oil at or between oil changes. Leaks usually stop in 200 miles or 3 days of driving. If leak continues, a second application may be required or mechanical attention is needed. via