This comprehensive repair manual covers all aspects of engine maintenance and repair for the Nissan Pathfinder R51 (2005-2014). It includes detailed instructions for servicing various engine models, such as the VQ40DE, VK56DE, YD25DDTi, and V9X, including troubleshooting common issues, performing routine maintenance, and executing major repairs. With step-by-step guidance, detailed diagrams.. Find the perfect parts diagram for your 2001 Nissan Pathfinder. Explore detailed diagrams and easily locate the parts you need for your vehicle.. The heart of the 2001 Nissan Pathfinder is its powerful engine. This SUV is typically equipped with a 3.5-liter V6 engine, which provides ample power for both city driving and off-road adventures.
4.Start and warm engine to normal operating temperature without radiator cap installed. Run engine at 3000 RPM for 10 seconds and return to idle speed. Repeat 2-3 times. Turn engine off. 5.Check coolant level. Refill coolant reservoir to MAX mark, and repeat step 4 until coolant level no longer drops. Warm engine to normal operating temperature.. You can't see it from the top of the engine, only by viewing from underneath the car. You can search the Factory Service Manual (free online) for location and removal procedure. My 1991 Nissan has had its coolant changed via radiator drain and fill every three years- the coolant that leaves still looks as good as the coolant that goes in.