Removal and Installation: Removal

WARNING: This page is about a different car, the 2018 Nissan NV3500 HD and 2018 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Remove the following parts:
- Camshaft (EXH) and VVEL ladder assembly: Refer to Removal and Installation .
- Exhaust manifold and three way catalyst: Refer to Removal and Installation .
- Multi-way control valve: Refer to Removal and Installation .
- Water pipe and heater pipe: Refer to Exploded View .
- Spark plug: Refer to Exploded View .
- Fuel injectors and fuel rails: Refer to Exploded View .
Disconnect water bypass hose (bank 1) and water bypass hose (bank 2) from cylinder heads.
Disconnect engine coolant temperature sensor 1 harness connector on rear of cylinder head (bank 2).
Disconnect knock sensors harness connectors from cylinder head (bank 1) and cylinder head (bank 2).

Remove cylinder head.

Loosen bolts in the reverse of the sequence as shown, below.

Fig 1: Cylinder Head Bolt Tightening Sequence

Courtesy of NISSAN NORTH AMERICA, INC.

(A)	: Bank 2
(B)	: Bank 1
	: Engine front

Remove cylinder head gaskets.
CAUTION: Do not reuse gaskets.
Remove the following from cylinder heads (if necessary):
- Oil filter (for VVEL ladder assembly)
- Engine coolant temperature sensor 1
Remove valve lifter (if necessary).
- Identify installation positions, and store them without mixing them up.