I have a 2001 Toyota Highlander with a leak somewhere in a lower engine seal. I got a quote of between $1200-$1600 to repair it. Is using a “Stop Leak” oil treatment product a good idea just to keep squeaking by. The vehicle runs just fine otherwise and I just want to avoid coughing up the money for a large repair like that if possible. Thanks in advance for any advice.
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They do not. They will cause problems not solve them
No, sadly they don’t. It’s all just snake oil in my experience.
time to pull out youtube and the wrenches
No they don’t and 1200$ to pour a bottle of goo in your radiator is fucking ridiculous.
Please do not use stop leak products, It will only further damage your engine. If the car is otherwise in good condition it’s probably just best to fix the seal that is bad, and any other seals/parts that would need attention while they’re already in there and have it taken apart.
No, but the search function does.
Elite answer
It did kinda work for my 2007 Yukon Denali w rear engine seal leaking. Had to add it after every oil change. Minimized the leaking though until I sold it (full disclosure to buyer)