Two problems related to engine belts and pulleys have been reported for the 2005 Nissan Frontier. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Nissan Frontier based on all problems reported for the 2005 Frontier.
The serpentine drive belt came off 4/26/17, 12/7/17, and 2/10/18 . When it was reinstalled on 12/7/17 the mechanic said they found a reference that said Nissan has new serpentine drive belt kit available and if came off again they recommended I get the new kit installed. All three times the belt came off when I started the engine in my driveway. Several times it felt like something was slipping when I stepped on the gas after stopping for a stop sign prior to the 3d time it came off. After stopping.
Timing belt tensioner guide failure on a 2005 Nissan Frontier. Less than 60k miles. The tensioner can fail and lead to engine failure at any time. Nissan confirms as there is a TSB issued for 2005-2010 trucks, but there is no recall at this time.