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In 2010 Lexus RX350's started using Timing Chain's in the 3.5 engine, which require no maintenance (unless very high mileage is reached or parts failure). Earlier years <2009 had timing belts. I verified the 2010 model has a timing chain via contacting a local Lexus parts department.
Use 91 octane or higher octane rating premium gas for the 2009 Lexus RX350
Timing chains are designed to last the life of the engine. Chain replacement would be done during a complete engine rebuild.
timing chain
It has a timing chain.
It has a timing chain
Does a 2009 citreoin c5 have a timing belt or chain
timing CHAIN
The 3.5 litre V6 engine in a 2009 Chevrolet Impala has a timing CHAIN
A 2009 Dodge Caliber has a timing chain.
A 2009 Ram 3.7L has a timing chain.
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