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Title: Did Not work
Review: I used this on my 92 Lexus ES300 with 220,000 miles. The car had been dumping coolant out the exhaust as well as blowing huge clouds of steam once warmed up. After draining the cooling system I removed the thermostat and flushed the system. I then refilled with product and water and ran for about 40 minutes. I then drained the system and removed the lower radiator hose from the engine and let dry for about 30 hours. Flushed system again, replaced thermostat, then refilled with coolant and water. Started car and let run for about 10 minutes with zero improvment - still dumping coolant and blowing steam.
