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Nissan Pathfinder R51

2005–2012 · R51 · suv

Third-generation Pathfinder, sold in the US 2005-2012. Returned to body-on-frame construction on the Nissan F-Alpha platform shared with the Titan, Armada, Frontier, and Xterra. Base engine was the 4.0L VQ40DE V6 (around 266 hp), with an optional 5.6L VK56DE V8 available on later trim levels. 5-speed automatic. RWD or 4WD with low range. Available with a third row for 7 passengers. The last truly truck-based Pathfinder before the 2013 unibody R52.

Watch out: Radiator-to-transmission cooler internal failure is the headline issue on this generation: coolant migrates into the automatic transmission via the integrated cooler, contaminates the ATF, and can destroy the transmission ('SMOD,' or 'strawberry milkshake of death,' is the well-known forum shorthand). Owner reports recommend bypassing the factory cooler with a standalone unit, regardless of mileage. Pre-purchase: pull the transmission dipstick and inspect for pink or milky fluid, and verify whether a cooler bypass has already been installed.