Bluedevil 38386 Head Gasket Sealer Reviews

BlueDevil Products 38386 Head Gasket Seale (6 pack set )




BlueDevil Head Gasket Sealer: A Comprehensive Review

When it comes to vehicle maintenance, a blown head gasket can be a daunting issue, causing coolant loss, overheating, and a host of other problems. Enter BlueDevil Head Gasket Sealer, a solution claiming to offer a cost-efficient fix for such automotive nightmares.

Understanding the Product

BlueDevil’s reputation precedes it; it’s hailed as a possible remedy for minor head gasket leaks. The concept is simple: introduce the sealer into the radiator, allowing it to flow into the cooling system and seal potential leaks, forming a secure bond once exposed to high temperatures.

Real-World Application

One vehicle, a 4th Gen 4Runner, experienced symptoms hinting at a head gasket issue. After pouring BlueDevil into the radiator, the vehicle owner embarked on a journey covering 30,000 miles over the course of a year. Daily driving seemed relatively unaffected, with minimal symptoms except under stress or prolonged drives.

bluedevil 38386 head gasket sealer reviews

To validate the sealer’s efficacy, a visit to Scott’s Automotive for a block test was scheduled. Initially, no signs of hydrocarbons were detected. However, starting the engine unveiled slight traces, indicative of exhaust gases in the coolant system. These traces quickly dissipated, leaving a hint of uncertainty about the long-term effectiveness.

Key Takeaways

The case study highlights the significance of following product instructions diligently. Success with BlueDevil seems correlated with minor leaks, and while it provided immediate relief, the lingering presence of exhaust gases during the test poses questions about its lasting effectiveness.


BlueDevil’s Head Gasket Sealer presents itself as a quick and affordable remedy for minor head gasket leaks. Yet, the product’s long-term effectiveness remains uncertain. It appears to provide temporary relief for some users but may not be a permanent fix for more significant issues.

Final Verdict: Proceed with Caution

While BlueDevil can offer immediate relief for minor head gasket issues, its long-term effectiveness is not guaranteed. As seen in this case study, it may serve as a short-term solution, but further evaluation over time is crucial to gauge its lasting impact.

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