The 8 Best Radiator Stop Leaks
This wiki has been edited 15 times since it was first published in April of 2018. When smoke billows from the exhaust, the temperature rises, and the air smells too sweet, the likely culprit is an antifreeze leak. Because they're exposed to the elements, radiators are often the first component to corrode and start to expel fluid. One of these specially formulated sealers can stop your system from losing coolant until you can find a more permanent solution. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best radiator stop leak on Amazon.