thirtyA PI Posted November 9, 2015 Share Posted November 9, 2015 I am a new member and just purchased a 2007 SC with only 30,000 miles. I am trying to determine which is more important, age or miles. I must decide to change timing belt/water pump/belts or wait for more miles. I am leaning towards replacing the timing belt, but The water pump should not be and issue with only 30,000 miles. This SC looks like new and it is hard to spend good money on something that is not a problem. Please advise on your opinions. Thanks Quote Link to comment Share on other sites More sharing options...
FASTOY Posted November 9, 2015 Share Posted November 9, 2015 What was the purchase price and color? Quote Link to comment Share on other sites More sharing options...
thirtyA PI Posted November 9, 2015 Author Share Posted November 9, 2015 The color is mercury metallic. The car looks like show room new. I paid 29k for the beauty. Probably paid too much but have been looking for a low milage sc for a few months. Any advice on an 8-9 year old car with only 30000 miles? Quote Link to comment Share on other sites More sharing options...
FASTOY Posted November 9, 2015 Share Posted November 9, 2015 My '06 has 24k miles with no issues. Quote Link to comment Share on other sites More sharing options...
ShawnOklahoma Posted November 9, 2015 Share Posted November 9, 2015 My 2002 has 51k miles now. Still running the original timing belt, waterpump, bearings, seals ,etc. I've heard all the stories about everyone replacing these items before lighting strikes, as they usually fail with age vs mileage (usually the water pump seizes before the the belt tears), and the results can be disastrous. With that being said, I'm taking the chance as I can't afford the new water pump and timing belt kit and install. I have replaced the serpentine belt due to squeaking. I am told that the timing belt usually never fails on it's own. There is a full kit by Aisin that is the best for the SC430. I was told that if you replace the belt you should replace the water pump at the same time, and it's usually included in any shops' labor any way. Just some thoughts for you to consider. Quote Link to comment Share on other sites More sharing options...
Jimbad Posted November 27, 2015 Share Posted November 27, 2015 Well, you're gambling by not changing the belt. I'm pretty sure that the SC engine is an interference engine, meaning that if the belt breaks there's an excellent chance that internal damage will happen. (This is not the case with non-interfence engines.) You have heard , and will hear, of owners who have gone beyond the 90,000 miles or 9 years that Lexus sets as limits, and they have had no timing-belt-related issues. As i mentioned, it's a matter of taking a chance. The issue with the 9-year parameter is the the belt, being a kind of rubber, may deteriorate. I've done the job on my car and it's pretty straightforward. Using a kit from Toyolexyus I thus used"official" parts and spent about $350.00, as i recall. Jim incidentally, all of my parts were in excellent condition but I enjoyed doing the job and I have peace of mind. Quote Link to comment Share on other sites More sharing options...
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