One problem related to differential unit has been reported for the 2008 Hyundai Santa Fe. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Hyundai Santa Fe based on all problems reported for the 2008 Santa Fe.
The rear differential caught on fire. I heard a clunk on entering reverse in the morning. After 35 miles other drivers alerted me that my car was on fire. After pulling off the road us 90 in newton MA the fire dept was called after the fire went out on it's own. The vehicle was not destroyed.