How Long Will Blue Devil head gasket Sealant last?

2. How long will BlueDevil head gasket sealer last? BlueDevil reacts to give a permanent fix to blown head gaskets and other related issues.
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Is Blue Devil a permanent fix?

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.
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Can you use BlueDevil Head Gasket Sealer 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. You only need to follow the directions to the letter when applying it.
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How long will head gasket sealer last?

Most sealants offer permanent solutions to minor leaks but can only last for a maximum of six months if the damage is severe.
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Will 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.
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Blue Devil Head Gasket Sealer: 1 Year Later



What is the best head gasket sealer to use?

5 Best Head Gasket Sealers
  1. J-B Weld 31319 RTV Silicone Sealant and Adhesive. ...
  2. BlueDevil Head Gasket Sealer 38386. ...
  3. Bar's Leaks 1111 Block Seal Permanent Head Gasket Fix. ...
  4. K-Seal ST5516 HD Multi-Purpose One Step Permanent Coolant Leak Repair. ...
  5. Bar's Leaks HG-1 Head Seal Blown Head Gasket Repair.
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Can Blue Devil damage your car?

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.
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Will head gasket sealer hurt my engine?

Is head gasket sealer safe for my engine? Yes. Because the particles used in K-Seal are so small, they can only seal holes that are up to 0.635 mm in diameter, so if they manage to find their way down passages in the heater core or radiator, they won't have any effect on them.
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Can you use too much Blue Devil?

They may, for example, add some sort of "silt" to the coolant system which is deposited around the system. Adding too much of this is enough to cause blockages in heater matrixs and radiators.
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Can a Blue Devil clog a radiator?

Do not, I repeat, do NOT use this product to seal your head gasket leak. Read the reviews, look at pictures. This will clog your radiator, thermostat, heater core, and maybe even your block!
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How long does it take for Blue Devil rear main seal to work?

Just be patient and give it 30-45 days to work.
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Is Blue Devil head gasket sealer any good?

1. Does BlueDevil head gasket sealer actually work? Yes. The BlueDevil head gasket sealer works to seal cracks and leaks that cause damage to your engine.
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How long will K-Seal last?

So I didn't need to, but I would recommend you replace your radiator cap before you try this, or if you know it's bad enough, in conjunction with the K-Seal unless you've replaced your radiator cap within no more than the past 2 years.
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Can oil Stop leak damage my engine?

Some old-fashioned oil stop leaks were not good for engines. Modern technology has caused the creation of better formulas, so today's products should work just fine. However, if you use the wrong oil stop leak, it can cause engine damage, so make sure to do your research and choose the proper additive.
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Does Stop leak damage your engine?

When you carefully follow the instructions for our engine, radiator or other stop leak products, there is no risk of damage. Always remember these points: Bar's Leaks stop leak products work for small to moderate leaks.
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Why does my rear main seal keep leaking?

The most common cause of rear seal leaks is age and/or high mileage. The seal can also leak due to the vehicle being stored for an extended period of time, or from running the engine low on oil. This causes drying and hardening of the seal leading to shrinking, cracking and tearing of the rear main seal.
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How long can you leave Blue Devil radiator flush?

Let your engine idle with the radiator flush inside for at least 10 minutes, but time and weather permitting run your vehicle for 3-6 hours with the radiator flush and water solution in your cooling system.
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Can BlueDevil damage the water pump?

Blue devil is great but not for water pumps. I have used it many times to repair head gaskets,hell even in rotary motors. But it does destroy water pumps.
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