One problem related to radiator has been reported for the 2013 Nissan Altima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Nissan Altima based on all problems reported for the 2013 Altima.
Purchased brand new with 2 miles. At 4500 miles, heat gauge indicated an increase in engine temperature. Drove 2 miles to a service station, and upon opening the hood, anti-freeze was sprayed everywhere. Car was towed to dealer. Dealer inspected, and said the radiator had leaked, so the dealer replaced the radiator. After replacement, the dealer performed a test drive, when the check engine light came on. Dealer performed pressure tests, and said the engine would need replacement.