Two problems related to suspension noise have been reported for the 2009 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Hyundai Sonata based on all problems reported for the 2009 Sonata.
Hyundai Sonata 2009 limited front loud thud noise when going over small bumps and when turning right. The thud noise is only from the passenger side front strut. There is a big difference when you hit a bump on the drivers side and the passenger side. Is is a pretty obvious noise. Dealer replaced right strut and insulator and the noise continues. Dealer say they cannot just change out parts unless they find a problem. Car acts like the front suspension is coming apart when turning to the right and going over small bumps. Problems is a safety issue because something seems to be falling apart on the front end when turning and while going over small bumps.
2009 Hyundai Sonata sounds like it needs new shocks/struts right off the car lot noticed as soon as we drove it home from signing the papers - less than 20 miles on it tech said many had complained about the same thing but no fix he told me to complain to Hyundai called and they said sorry that's the way they are that its operating as designed - just received recall notice for my 2002 Sonata - suspension is faulty must be replaced safety hazard - wish I had known before I bought the 2009. Regret purchase.