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Pathfinder utilizes a Continuously Variable Transmission (CVT) transmission made by Jatco; early versions of this CVT have proved to be problematic to the point of requiring replacement by Nissan in some 2013 and 2014 model years due to a hydraulic line size issue.
The first Nissan/Jatco transmission, the Jatco 3N71 transmission, used a simple naming scheme: the "3" meant "3-speed", and the remainder was the series number. Beginning in 1982, it gained a locking torque converter (L3N71b) for greater efficiency. (See L3N71 link below).
The 9HP is only 0.24 inches (6 mm) longer than, and weighs 16.5 lbs (7.5 kg) less than, the outgoing six-speed transmission. The compact packaging is achieved by using a number of innovative design features: a new compact hydraulic vane-type pump, two patented dog clutches, [3] which replace bulkier conventional clutch packs, and a nested gear set. [2]
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The vehicle uses the same powertrain as the previous generation and the Pathfinder, which is the VQ35DD 3.5-liter V6 gasoline engine mated to a 9-speed automatic from ZF, replacing the continuously variable transmission. Tuned slightly higher for the Infiniti, the engine makes 295 hp (299 PS; 220 kW) and 270 lb⋅ft (366 N⋅m; 37.3 kg⋅m).
The 2010-2014 Legacy and Outback models offer a six-speed manual as one of the two transmission options in the base 2.5i and 2.5i Premium and is the only option for the Legacy GT model. This transmission is an evolution of the 5MT split-case design, and does not share any parts with the STI's 6MT transmission.