Removal and Installation: Installation

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Battery acid and battery acid fumes are extremely dangerous and can cause severe burns and explosion. To help reduce the risk of personal injury:

Wear appropriate goggles and protective clothing.
Always properly ventilate the area where service is being performed.
Never allow battery fluid to come into contact with skin, eyes, fabrics or painted surfaces.
To avoid arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.
If acid contacts eyes, skin or clothing, immediately flush with water for 15 minutes and seek medical attention.

Install the fuel-water separator (2) into the fuel filter housing [Stage 1 (1)].

Courtesy of NISSAN NORTH AMERICA, INC.
Tighten the bolts (A) into the fuel filter housing (Stage 1).
Connect the battery or batteries. Refer to Battery Disconnect .
Prime the fuel system. Refer to Priming .
Operate the engine and check for leaks.