What happens if you have an oil leak in the rear main seal?

What happens if you have an oil leak in the rear main seal?

Driving with a rear main seal leak can be very dangerous and can lead to total engine failure. The location of this seal makes detecting and fixing an oil leak challenging and complicated. Just like every other mechanical component, some signs and symptoms will pop up to notify the driver of a defective or leaking rear crankshaft seal.

What can I use to stop rear main seal leak?

To recondition the rear main seal, get a blue devil rear main sealer. This product is specially formulated to stop the rear main seal leak. It does this by restoring rubber gaskets and seals, it is also an excellent repair for timing cover leaks, and it’s safe to be used for both gas and diesel engines.

What does the rear main seal do in a car?

The rear main seal allows the crankshaft to exit the engine case so it can bolt to the flywheel or flex plate and transfer its energy into the transmission. The rear main seal also holds the engine oil back and keeps it inside your engine where it can keep your main bearings lubricated.

How much does it cost to repair a rear main seal leak?

The average cost to repair a leaky rear main seal, is anywhere from $800 – $1,200 dollars. In rare cases, some drivers have reported getting quotes of up to $2,500 dollars on certain vehicles. Is a rear main seal leak serious? Fast leak and permanent engine damage

What could cause a rear main seal to leak?

Rear main seal leak causes Worn main bearings. If your vehicle has worn main bearings, the crankshaft is able to move excessively inside the bearings which will stretch and move the rear main seal while Clogged or blocked PCV system. Most rear main seals have a lip that rides on the shaft. Engine oil condition. Crankshaft condition. Misalignment issues. Seal coating.

What does a leak in the rear main seal mean?

A rear main seal leak is among the worst things that can happen to any vehicle because the rear main seal is very hard to reach and it requires much of your engine to be disassembled. On most modern engines, the seal’s failure is due to a condition inside the engine or a component connected to the back of the engine, and is most common in older cars.

How do you fix a rear seal leak?

The best way to fix a leaking rear main seal is to recondition the seal that’s currently in your vehicle. Adding BlueDevil Rear Main Sealer to your engine oil will allow your rear main seal to be reconditioned as you drive your vehicle in 2 days or less.

What damage can a rear main seal leak cause?

Damage to an automatic transmission isn’t likely, but a leaking rear main seal on a stick-shift car can cause the clutch to slip and ultimately damage the clutch and pressure plate .