Disassembly and Assembly: Assembly

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.

Lubricate the valve stems with clean engine oil before installation.

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Install the intake valves (1) and exhaust valves (2).
NOTE:
- The valves must be installed in the same location as marked during disassembly. Be sure the marks on the valves are aligned toward the injector bore.
- If the cylinder head will not be used immediately, apply a coating of preservative oil and cover the cylinders to prevent dirt from sticking to the oil.
Install the valve guide seals (3), valve springs (2) and valve spring retainers (1).

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CAUTION: Do not reuse valve guide seal.
Compress the valve springs (1) with suitable tool (A).

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WARNING: Valve springs are under tension and can act as projectiles if released. To reduce the possibility of eye injury, wear safety glasses with side shields.
Install the valve collets (2) and remove the suitable tool.
After assembly, strike the valve spring retainers (1) with a suitable tool (A) to make sure the valve collets are seated.

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WARNING: Valve springs are under tension and can act as projectiles if released. To reduce the possibility of eye injury, wear safety glasses with side shields.

Measure the valve depth (A). If the measurement is out of specification, replace the cylinder head.

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Standard

: Refer to CYLINDER HEAD .

(1)	: Valve
(2)	: Cylinder head