The owner manual does not mention anything about the timing chain but, the dealer say we should get the timing chain change at 60,000 mile service which is about $800.
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2009 Hyundai Sonata Question: When should we change timing chain or Sonata has a timing chain?
TELL THE DEALER THEY ARE FULL OF IT UNLESS YOU HEAR CHAIN IS LOOSE AND MAKING NOISE. THAT SHOULD BE COVERED UNDER YOUR 10YR 100K MILE WARRANTY IF THERE IS AN ISSUE