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: Do not reuse gasket.

Install bolts (A) from the decomposition tube and SCR catalyst assembly rear hanger (1). Refer to Exploded View .

Courtesy of NISSAN NORTH AMERICA, INC.
Install bolts (A) from the decomposition tube and SCR catalyst assembly front hanger (1). Refer to Exploded View .

Courtesy of NISSAN NORTH AMERICA, INC.
Partially tighten the nuts (A) that connect the DOC and DPF assembly to the decomposition tube and SCR catalyst assembly.

Courtesy of NISSAN NORTH AMERICA, INC.

CAUTION: Do not reuse gasket.
Install the following sensors to the frame assembly:
- Outlet NOx sensor: Refer to Removal and Installation .
- SCR temperature sensor module: Refer to Removal and Installation .
- Particulate matter sensor: Refer to Removal and Installation .
Connect the DEF dosing valve supply hose (1) and harness connector (A) to the DEF dosing valve (2).

Courtesy of NISSAN NORTH AMERICA, INC.
Install the exhaust tailpipe. Refer to Removal and Installation .
Tighten the nuts that connect the DOC and DPF assembly to the decomposition tube and SCR catalyst assembly. Refer to Exploded View .
Connect the battery or batteries. Refer to Battery Disconnect .
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 the service is being performed.
- Never allow battery fluid to come in 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.
Operate the engine and check for leaks.