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Toyota Sienna 3.5L power?

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  • tekkamakitekkamaki Member Posts: 23
    In the 07-10 models with the timing chain (3.5L) how often does the timing chain need to be inspected? is that an easy operation?
    Also at some point I would assume it does need replacement- when?
    Expensive?
    thanks
  • ateixeiraateixeira Member Posts: 72,587
    It should outlive the rest of the van. Something else will give in well before the timing chain does.
  • yatesjoyatesjo Member Posts: 186
    As Ateixera said, it will probably last the life of the engine. Also if ever does start too loosen up too much the timing will start to slip but is very unlikely to fail suddenly and catastrophically like a belt would. There's nothing to do about it in the meantime so don't worry about it.
  • tekkamakitekkamaki Member Posts: 23
    Very Cool,
    I race mountain and Cyclocross bikes an find it amazing that I can constantly break chains on a mountain bike- but they last many years on a car. It must be the size of the chain and the shifting action on the bike.
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