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.

CAUTION: To avoid possible engine and system damage or performance issues:

Brush away all dirt and debris from the area prior to opening any fuel, air intake, exhaust, cooling, aftertreatment or other engine system.
To avoid contamination, any open engine system ports must be closed immediately with clean care caps or an appropriate covering.
Do not allow any debris to fall into the engine.
Do not allow any chemical cleaners to enter the engine or any open systems during the cleaning process.

Install the fuel rail supply lines (1) on the engine. Tighten nuts (A) and (B) hand-tight at each end of line.

Courtesy of NISSAN NORTH AMERICA, INC.

CAUTION: Do not reuse fuel rail supply lines [high-pressure) (1)]

NOTE: Make sure that the fuel line is not rubbing on any other components.
Hand-tighten bolts (A) and (B) that secures the fuel rail supply lines (1) to the cylinder head (bank 1) and rocker cover (bank 1).

Courtesy of NISSAN NORTH AMERICA, INC.

Tighten the fuel rail supply line (1) nuts (B), then tighten fuel rail supply line nuts (A).

Courtesy of NISSAN NORTH AMERICA, INC.

CAUTION: To avoid possible leaks, fuel system component damage or performance issues, always use the correct components, assemble in the correct order and tighten fuel system components to the specified torque.

NOTE: When tightening high-pressure fuel lines, make sure there is no interference between the wrench and adjacent nuts.

Supply line nuts (A)	: 33 N.m (3.4 kg-m, 24 ft-lb)
Supply line nuts (B)	: 37 N.m (3.8 kg-m, 27 ft-lb)

Tighten the bolts (A) and (B) that secure the fuel rail supply line to the cylinder head (bank 1) and rocker cover (bank 1).

Courtesy of NISSAN NORTH AMERICA, INC.

Bolts (A) and (B)

: 7.4 N.m (0.75 kg-m, 65 in-lb)

Install the fuel rail-to-fuel rail supply line (high pressure). Refer to Removal and Installation .
Install the air inlet connection. Refer to Exploded View .
Installation of the remaining components is in the reverse order of removal.
- Prime the fuel system. Refer to Priming .
  NOTE: It is not necessary to vent air from the high-pressure fuel system before starting the engine. Turning the keyswitch ON/cranking the engine primes the fuel system.
- Run CONSULT High-Pressure Fuel System Leak Test. Refer to High-Pressure Fuel System Leak Test .
- Operate the engine and check for leaks.