5.0 out of 5 stars Works. Sealed My Gasket. My head gasket has been leaking for over a year now and gotten progressively worse, to the point where I had to add a liter or more of water to the radiator after every trip. Then the engine wouldn’t start every so often, presumably because of the leak into the engine.
How long does it take for Blue Devil rear main seal to work?
30-45 days
Just be patient and give it 30-45 days to work.
How much Blue Devil Rear Main Sealer do I use?
Directions | BlueDevil Rear Main Sealer | Part #00234 Turn engine off, pour 1 bottle (8 oz.) into engine oil. One 8 oz. bottle treats up to 8 quarts of oil.
Is Blue Devil bad?
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.
Can Blue Devil fix a blown head gasket?
BlueDevil Head Gasket Sealer is your head gasket repair solution as it 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.
Is Blue Devil rear main seal a permanent fix?
BlueDevil works as a permanent repair and does not need to be added when oil is changed. BlueDevil Rear Main Sealer restores seals to their original condition while you drive. It works on gasoline or diesel engines that use synthetic or conventional oils.
Can I use Blue Devil twice?
Yes. You can use the blue devil head gasket sealer more than once. This product does not contain petroleum distillates, so you might use it more than once if a leak occurs after the last time you used it.
Can you use Blue Devil twice?
Does Kseal really work?
How Does K-Seal Work? Testing by Brighton University showed K-Seal is capable of permanently sealing holes of up to 0.635mm in diameter, and cracks up to 0.254mm wide by 12.7mm long. As most holes and cracks are significantly smaller than this, K-Seal can provide a permanent, guaranteed fix for the majority of leaks.
How long does it take for Blue Devil to seal?
5. How long does the repair take? Start engine and drive vehicle or equipment to let BlueDevil circulate. The repair is sealed while you drive (up to 2 days drive time).
