Question Answered: I replaced my lexus ls 400 radiator, the timing belt and the water pump, but my
July 28, 2013, 09:24 PM
I have a 1991 Lexus LS 400. One hot summer day my engine coolant begin bubbling. I had to pull over to wait for it to cool and pour water into the coolant tank. Long story short,I needed to replace a heavier coolant. The coolant was too light, 50/50. You may need to add coolant for cars that are 100,000 or more. I hope this helps.