A radiator sealant that seals hairline cracks and small leaks in the cooling system quickly and reliably, added directly to the warm cooling system.
| Viscosity | n/a (additive) |
|---|---|
| Base Oil | Cooling system sealant |
| Approvals | Suitable for all water-cooled, closed cooling systems |
| Pack Sizes | 0.25L |
Sealing small leaks and hairline cracks in a vehicle's cooling system without needing to replace the leaking component immediately.
Add around 250ml to the warm cooling system and run the engine for 10 minutes, then check the coolant level. Always open a hot radiator cap slowly to avoid scalding.
It's designed to seal quickly and reliably, but for significant leaks or damaged components, a proper repair is still recommended — treat it as effective maintenance for minor leaks rather than a substitute for fixing serious cooling system damage.
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