Abiy_Ethio Posted January 27, 2005 Share Posted January 27, 2005 Does anyone know when the timing belt on the 99 RX300 is due? Quote Link to comment Share on other sites More sharing options...
TunedRX300 Posted January 27, 2005 Share Posted January 27, 2005 Does anyone know when the timing belt on the 99 RX300 is due? ← Do a search, this topic is discussed many times. Lexus recommends 90K. Our engine is non-interfering, it is up to you to spend $1000 for peace of mind but probably replace a belt that still have lots of life left. Quote Link to comment Share on other sites More sharing options...
RX in NC Posted January 28, 2005 Share Posted January 28, 2005 The RX300 timing belt is well-engineered and thicker than the average timing belt. Although the recommended change interval is 90,000 miles, 99% of the original belts are good for 120,000 miles and beyond. Unfortunately there's no way to check your belt's condition without physically getting to it and looking at it. The term "non-interfering" basically means that you shouldn't suffer engine or valve damage if your timing belt breaks during operation, so you can continue to run the original belt without risking further damage and expense. Good luck. Quote Link to comment Share on other sites More sharing options...
lenore Posted January 28, 2005 Share Posted January 28, 2005 The RX300 timing belt is well-engineered and thicker than the average timing belt. Although the recommended change interval is 90,000 miles, 99% of the original belts are good for 120,000 miles and beyond. Unfortunately there's no way to check your belt's condition without physically getting to it and looking at it. The term "non-interfering" basically means that you shouldn't suffer engine or valve damage if your timing belt breaks during operation, so you can continue to run the original belt without risking further damage and expense. Good luck. ← by the way I talked a toyota dealer into changing mine at considerable savings and would also recommend changing the water pump which is driven by the timing belt. My water pump had a hint of bearing noise at 98k miles so I was happy with my decision. By the way Toyota charged me $495 for both and using a Lexus timing belt. good luck Quote Link to comment Share on other sites More sharing options...
00RX300 Posted January 28, 2005 Share Posted January 28, 2005 Are you folks sure that this engine is a non-interference type? Just as a reference, where did you go to find that out? Quote Link to comment Share on other sites More sharing options...
TunedRX300 Posted January 28, 2005 Share Posted January 28, 2005 Are you folks sure that this engine is a non-interference type? Just as a reference, where did you go to find that out? ← Interfering Quote Link to comment Share on other sites More sharing options...
ColinBarber Posted January 28, 2005 Share Posted January 28, 2005 Yes the engine is non-interference. Almost all Toyota engines which are belt driven rather than chain driven are non-interference. The link in the post above shows this. Quote Link to comment Share on other sites More sharing options...
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