Do Head Gasket Sealers Actually Work (FULL 2yr TEST with Engine Teardown)
A video on YouTube. In Cars, a Krater category.
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ChrisFix tests whether pouring a bottle of head gasket sealer into a leaking cooling system can permanently repair a blown head gasket, running a two-year long-term test on a Jaguar X-Type across all weather conditions and over 10,000 miles.
From the video
Answers: Can a head gasket sealer in a bottle permanently fix a blown head gasket?
- Head gasket sealer
- Blown head gasket repair
- Engine coolant block test
- Cylinder head warpage
- Engine oil analysis
What it concludes
- A head gasket sealer can successfully repair a blown head gasket long-term.
- Bar's Leaks Head Seal successfully sealed a blown head gasket on a Jaguar X-Type for two years and over 10,000 miles of driving.
- Head gasket sealers do not clog radiator tubes or heater cores when used correctly.
- Using head gasket sealer can cause elevated silicon levels in engine oil, indicating dirt contamination from the sealer.
- A head gasket leak can be caused by cylinder head warpage of just 1/1000th of an inch even when the gasket itself is physically undamaged.
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