One problem related to coolant leaking has been reported for the 2008 Nissan Frontier. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Nissan Frontier based on all problems reported for the 2008 Frontier.
Transmission cooler in radiater failed and coolant leaked into transmission causing transmission failure and overheating. Broke down on side of road and had to be towed.