CVT Transmission Fill Pump The Versa overflow tube is located in the oil pan. Use only Nissan NS-2 in this Transmission Fill Pump tool to avoid any cross contamination of the fluid. Using any other fluid will contaminate the fluid reservoir and render it unusable. Nissan Versa: Bad Fuel Pump → Symptoms & Diagnosis Jun 12, 2019Nissan Versa Bad Fuel Pump Symptoms There are physical signs that you can feel when your Versa’s fuel pump is going out. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. The engine may throw a P0087 trouble code.