350LX07 Posted Wednesday at 10:08 PM Share Posted Wednesday at 10:08 PM Hello everyone, I recently purchased a 2007 ES 350 with 69k miles. There's no indication, according to the carfax report that the coolant hoses were ever replaced. I called several Lexus dealerships to find out if I need to be concerned about replacing them now, at 69k miles but none of them returned my call. It's interesting, I also called a Toyota dealership with the same question because Toyota manufacture Lexus automobiles. He told me that those hoses never need replacing. I said, I have never heard of that. Can anyone of you help me with this question, please? How often should they be replaced, including the by-pass hose? Thanks in advance! Quote Link to comment Share on other sites More sharing options...
RX400h Posted Thursday at 01:08 AM Share Posted Thursday at 01:08 AM As far as I know, none of our hoses have been replaced. At some point in time, depending upon where you live and its weather conditions, hoses can last beyond 20 years. The general rule of thumb is that if you cannot squeeze and compress the hose, it probably needs to be replaced. Over time, plasticizers used to manufacture the hoses, diminish, causing the hoses to become harder and more prone to cracking/splitting. Quote Link to comment Share on other sites More sharing options...
350LX07 Posted Thursday at 01:19 AM Author Share Posted Thursday at 01:19 AM Wow, that's amazing. Thank you so much!! Quote Link to comment Share on other sites More sharing options...
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