Disassembly and Assembly: Assembly

Note the following item, and install in the reverse order of removal.

Exhaust Manifold Gasket

Courtesy of NISSAN NORTH AMERICA, INC.

A	: Triangle press
	: Above

Exhaust Manifold

Tighten mounting nuts in numerical order as shown in the figure, below.

Fig 1: Exhaust Manifold Mounting Nut Tightening Sequence

Courtesy of NISSAN NORTH AMERICA, INC.

NOTE: Tighten mounting nuts No. 1 to 4 in two steps. The numerical order No. 9 to 12 shown are second steps.

Air Fuel Ratio Sensor 1, Heated Oxygen Sensor 2

CAUTION:

Before installing a new sensors, clean exhaust system threads using oxygen sensor thread cleaner (commercial service tool: J-43897-18 or J-43897-12), and apply anti-seize lubricant (commercial service tool).
Sensors are not reusable. Replace them with a new one after removal. When replacing them, handle with care not to impact on them.

When installing the new sensors, set the heated oxygen sensor wrench [SST: KV10114400 (J-38365)] (A) in the hexagonal part to tighten the them.

Courtesy of NISSAN NORTH AMERICA, INC.

1	: Heated oxygen sensor 2 (bank 1)

Never over torque sensors. Doing so may cause damage to the sensors, resulting in "MIL" coming on.
Prevent rust preventatives from clinging to the sensor body.