Frontier 2WD L4-2.5L (QR25DE) (2005)
7. Carefully reinstall the fuel pump assembly back into the fuel tank.
IMPORTANT:
^ Use a new seal (0-Ring).
^ Make sure the fuel pump assembly is installed straight down into the tank as shown in Figure 6.
8. Install the fuel pump assembly lock ring as follows:
a. Place the fuel pump assembly locating tab between the lock ring holders.
b. Place the lock ring on top of the fuel pump assembly.