Question: Does Blue Devil Rear Main Sealer Really Work?

Is Blue Devil a permanent fix?

So at this point, problem is 100% fixed.

Blue Devil did the job as advertised and I’m a happy customer so far.

This is supposed to be a permanent repair so real proof will be how it holds up over time, including the upcoming winter..

Is Stop Leak bad for 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.

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.

Is Blue Devil Rear Main Sealer safe?

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. They almost all use the same active ingredient.

Does Rear Main Seal 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.

Does Blue Devil ruin your engine?

4 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 does Blue Devil Oil Stop Leak take to work?

We recommend BlueDevil Oil Stop Leak for camshaft seal leaks. You should expect to see results after about 150-250 km of driving.

Will Blue Devil fix a cracked head?

BlueDevil Head Gasket Sealer (#38386) will repair and seal leaks in blown head gaskets, warped or cracked heads, heater cores, and freeze plugs. BlueDevil contains no solid or particulate matter, and will not clog or harm your engine. It bonds to metal, aluminum, cast, alloy, or plastic, and it’s safe and easy to use.

Does Lucas Engine Oil Stop Leak really work?

Lucas stop leak actually works. Now you can’t expect it to work on a mechanical failure like rotted oil pan and broken gasket but it will stop or slow down seals and gaskets that are drying out or starting to fail.

Can a Blue Devil clog a radiator?

did blue devil clog everything up? “It’s time to repair the engine or get rid of the car.” Yes indeed. … It might have plugged up some of the radiator (which I’d replace if you choose to repair the car).

Does Blue Devil Stop Leak really work?

Blue Devil Oil Stop Leak – Editor’s Pick It works by closing up worn seals and gaskets. BlueDevil is safe for most engines. It is also very easy to use. It does not cause clogs, corrosion, or wear.

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. Recommended! Worth trying before you get your rear main seal repaired.

How long does it take for Blue Devil to work?

It should take you at least a minute to empty a full bottle of BlueDevil into the radiator. Put the radiator cap back on and leave the engine running for 50 minutes.

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.