Quick Answer: Can You Drive A Car With A Bad Rear Main Seal?

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

Labor time guides say approximately 7.5 hours.

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.

How long does Lucas Oil Stop Leak take to work?

It may take 400 miles or more (mine took this long) for it to work itself into the seals and affected area’s. Don’t expect magic to happen after a few days. Continue to monitor and check your engine oil levels and top up when needed. Remember, as it takes time to work your engine may still leak hence check and top up.

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.

How long does it take for Blue Devil rear main seal to work?

30-45 daysJust be patient and give it 30-45 days to work.

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.

What happens if you don’t fix rear main seal?

The rear main seal is a crucial part of the oil and engine involved with the inner workings of your vehicle. Without this working correctly, the transmission won’t run smoothly, and your engine will falter.

Is it OK to 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.

What are the symptoms of a rear main seal leak?

The main symptom of a rear seal leak is when your car starts leaking engine oil at a faster rate. If your vehicle has started leaving black puddles on your driveway or parking lot, something is definitely wrong with the situation underneath the vehicle.

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.