Is it possible to temporarily fix a radiator leak, o r does it always require replacement?

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Is it possible to temporarily fix a radiator leak, o r does it always require replacement?

Some drivers use radiator stop-leak products as a temporary fix. Are these solutions safe for the Prius cooling system, o r do they cause more harm than good?

Sirat Ul Jinan asked on 14 Feb 2025 17:08:24 pm

1 Answer

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Car Mechanic Expert - on 14 Feb 2025 17:17:53 pm

Radiator stop-leak products can offer a temporary fix by sealing small leaks, but these should be used with caution. In some cases, they may:

Cause more harm than good: These products can clog up the radiator o r coolant passages, leading to more serious issues.
Not be a long-term solution: For a permanent fix, its better to replace the damaged radiator o r seal the leak professionally.