Quick Answer: How Much Does It Cost To Fix A Rear Main Seal?

Can an oil leak ruin a starter?

One of the symptoms of a oil leak that almost nobody talks about is when oil saturates and damages a starter.

This equals a (sometimes expensive) repair, and if left unchecked the leak can go on to cause other issues.

Bad news all around.

Rear main seal leaks can start at 60,000 to 80,000 miles..

Is a rear main seal leak serious?

Driving with a rear main seal leak can be dangerous, since it leads to a low oil level in very little time. The low oil levels can severely harm your engine, causing a more expensive replacement and repair in the future.

How many hours does it take to replace a rear main seal?

Labor time guides say approximately 7.5 hours.

How do you fix a rear main seal?

Let’s Get Started!Disconnect the Battery. … Remove the Exhaust System. … Remove the Driveshaft or CV Axles. … Remove the Transmission. … Remove the Flywheel or Flex Plate. … Remove the Rear Main Seal Housing Bolts. … Remove the Rear Main Crankshaft Seal. … Match the New Rear Crankshaft Seal.More items…•

Can Blue Devil damage your car?

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.

How long should a rear main seal last?

three yearsThe rear main seal should be fine after three years. The o-rings go bad on the oil filter adapter, cheap and easy to fix. Not sure of the cost/work of the sending unit gasket.

Can you drive with a rear main seal leak?

The possibility of a very fast leak is the biggest factor that makes it so dangerous to drive with a rear main seal leak. As we just mentioned, your rear main seal is in a place that gets a lot of oil thrown at it and has the added wear of the crankshaft spinning inside of it.

Does BlueDevil rear main sealer work?

I also checked under the engine and transmission but didn’t see any indication of any oil leak. So, I must say that this BlueDevil Rear Main Sealer really works. I cannot say for how long, but for now, I’m very satisfy with the results.

What is the best additive for a rear main seal leak?

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.

Does Rear Main Stop Leak work?

The thicker oil can fill in the gap between the seal and the crankshaft, and could slow the leak down. … Will Bar’s Leaks 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.

Is it worth fixing a rear main seal?

Replacing a rear main seal can be so expensive the cost to replace it may be more than you have to spend, or even more than your vehicle is worth. When faced with a high dollar repair on an older vehicle it can be difficult to decide if it’s worth dumping more money into an older vehicle that doesn’t have much value.

How much does it cost to replace a rear engine seal?

This seal ensures that engine oil does not leak out. If it starts to crack or otherwise malfunction, you will be left with an oil leak. You will pay between $650 and $850 for this replacement. The labor should cost around $700, while parts are only about $35.

What causes a rear main seal to fail?

Without a regular oil bath, your rear main seal can become dry and hard causing it to not seal properly around the rotating crank shaft. … Things like sand, salt or road grime can cause premature failure of your rear main seal from the outside in. There are many reasons you should regularly change your engine oil.

Is Blue Devil Rear Main Sealer bad for your 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.

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

Generally, there is no need to remove the battery, as you are not going to remove the transmission. But, whenever you think about how to replace a rear main seal without removing the transmission, for the sake of security, take off the battery. … It will give you enough room to reach the rear main seal.

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.

Can Oil Stop Leak damage my engine?

Oil leak stop additives by themselves are not bad for engines. … If you go the additive route then get Lucas Engine Oil Stop Leak, if that doesn’t work I would change the oil to a high mileage and add the Lucas stuff in, but don’t overfill the crankcase with too much fluid that will cause oil to leak out.

Why do Northstar engines leak oil?

The next most common leaks are the oil pressure sensor and the oil filter adapter. These leaks are low on the engine and may only be noticeable as spotting in the driveway. Less common oil leaks include the timing cover, and front and rear crankshaft seals. …