Rick's Free Auto Repair Advice

Posts Tagged: oil stop leak

Engine oil stop leak products

Do engine oil stop leak products work? How do engine oil stop leak products work? If you look at the material safety and datasheets for the major oil stop leak products, you’ll see that they’re made from one of two base products: heavy naphthenic or glycol ethers.  Heavy naphthenic products soften hardened rubber seals and gaskets, making them more pliable. Glycol ethers, on the other hand, cause rubber seals and gaskets to soften and swell. If you’re into chemistry, do a search for the MSDS sheets on these oil stop … Read More


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