Review using K seal coolant leak repair. Does it work? I suffered a coolant leak and needed a quick repair so I used some K Seal to review if it worked. I show how to use K seal coolant leak repair on my radiator which sprung a small leak after being moved during a belt swap on my VW T4 Transporter. Some rust must have been clogging a small hole in the radiator and I needed to use the van so applied some K Seal Head Gasket / Coolant Leak Repair to the coolant system reservoir to see if it would stop the leak. After running the engine to allow the K seal to do its thing, the leak in the radiator stopped. This allowed me to use the van until I could get it booked in for a new radiator and service (3 weeks & 200+ miles later). K seal can also be used for head gasket repairs and I would think it should work as well as it does here if the damage isn't major. I hope you find this K-seal test & review useful.
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