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2010 sonata whinning noise

  1. NF (2006-2010) Sonata
    Have a couple of issues with my 2010 Sonata and need some help. Issue #1 When I start my car put it in drive there is a grumbling type noise and stops when I accelerate and get up to 5 to 10 mph and then stops. Issue #2 After I drive my car for a while, when I let off the gas or come to a stop...