How long will BlueDevil Head Gasket Sealer 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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How many times can I use BlueDevil Head Gasket Sealer?

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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Is BlueDevil 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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Are head gasket sealers permanent?

A head gasket sealer is a good temporary fix. The amount of sealant you use depends on how big your engine is. Vehicles with eight or 10 cylinders will likely need more sealant than those with four or six-cylinder.
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What is the best head gasket sealer on the market?

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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Blue Devil Head Gasket Sealer: 1 Year Later



What is the best blown head gasket sealer?

The Steel Seal Blown Head Gasket Fix Repair Sealer is our top pick for the best overall permanent head gasket sealer. It works well on older and new vehicles and is suitable for cars, vans, SUVs, and trucks. If your budget is a little tight and you still need a professional-grade sealer, check out the K-Seal ST5516 HD.
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What to do after using Blue Devil?

After pouring BlueDevil slowly, let vehicle idle with CAP ON for 50 minutes. You do not need to flush the system a second time after process is complete. Let engine cool before installing new thermostat. Drain enough fluid to refill with compatible antifreeze.
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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 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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What are the signs of a blown head gasket?

Bad head gasket symptoms
  • White smoke coming from the tailpipe.
  • BUBBLING IN THE RADIATOR AND COOLANT RESERVOIR.
  • unexplained coolant loss with no leaks.
  • Milky white coloration in the oil.
  • Engine overheating.
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Can you fix a head gasket without replacing it?

Most blown head gaskets can be properly fixed without a mechanic. There is a point where the damage is too great and you will need the expertise of a professional to replace the gasket, but many leaks in a head gasket can be taken care of with one of our products.
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How long does a head gasket repair last?

How long does it take to fix a blown head gasket? Replacing the gasket can take anything from six hours to a few days, depending on the severity of the failure. A blown head gasket is one of the biggest failures your car can suffer, and to fix it properly takes time.
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Will Blue Devil fix a cracked block?

BlueDevil Radiator and Block Sealer can seal your cracked block from the inside out through your vehicle's cooling system. It is not a fibrous or particulate sealer that can harm or clog any other areas of your cooling system.
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Can Blue Devil damage your car?

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.
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Can you drive a car with a blown head gasket?

Blown your head gasket? Keep driving with a blown head gasket and it will inevitably lead to further car trouble. K-Seal can stop the problem in its tracks, before it's too late. Technically you can drive with a blown head gasket, but we'd always advise against it.
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Does white smoke always mean blown head gasket?

White smoke from your exhaust almost always indicates a blown head gasket, and just like there is coolant mixed with your engine oil, there will also be engine oil mixed with your coolant.
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Can you have a blown head gasket with no symptoms?

Some symptoms of a blown head gasket may be very minor at first, to the point where you don't notice or can ignore them. But, whenever possible, always get any symptoms checked over by a professional mechanic, as small problems can become very big and very expensive quickly in the case of a faulty head gasket.
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How long can you drive with a leaking head gasket?

Some engines will stop operating altogether within one day. You might be able to drive the car for a week, or it may last for a few months if you use a temporary fix on it. As a rule of thumb, it's best to NOT drive if you suspect a head gasket issue.
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How does a blown head gasket sound?

If the head gasket fails in such a way it allows the compressed air/fuel to escape, the compression of that cylinder is reduced. This loss of compression results in a rough running engine and a notable reduction in engine power. This sort of failure typically is accompanied by a sound like an exhaust leak.
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