Nissan Versa

 Sedan Service Manual

Engine » Engine mechanical (EM) » Cylinder head
Disassembly and Assembly

DISASSEMBLY

1. Remove spark plug with a suitable tool.
2. Remove valve lifter.

• Identify installation positions, and store lifters without mixing them up.

    3.    Remove valve collet.

• Compress valve spring with Tool (A). Remove valve collet with a magnet tool (B).

CAUTION:

Be careful not to damage valve lifter holes.

Tool number : KV10116200 (J26336B)

: KV10115900 (J2633620)

: KV10109220 ( - )

    4.   Remove valve spring retainer and valve spring.

    5.   Push valve stem to combustion chamber side, and remove valve.

• Identify installation positions, and store without mixing them up.

    6.   Remove valve oil seal using Tool (A).

Tool number : KV10107902 (J38959)

7. Remove valve spring seat.
8. When valve seat must be replaced.
9. When valve guide must be replaced.

ASSEMBLY

1. Install valve guide if removed.
2. Install valve seat if removed.
3. Install valve oil seal.

• Install with Tool (A) to match dimension as shown.

Height "H" : 13.2 13.8 mm (0.520 0.543 in) Tool number : KV10115600 (J38958)

    4.   Install valve spring seat.

    5.   Install valve.

• Install larger diameter to intake side.

    6.   Install valve spring.

NOTE:

It can be installed in either direction.

    7.   Install valve spring retainer.

    8.   Install valve collet.

• Compress valve spring with Tool (A). Install valve collet with a magnet hand (B).

CAUTION:

Be careful not to damage valve lifter holes.

• Tap valve stem edge lightly with a plastic hammer after installation to check its installed condition.

Tool number : KV10116200 (J26336B)

: KV10115900 (J2633620)

: KV10109220 ( - )

    9.   Install valve lifter.

    10. Install spark plug with a suitable tool.

Exploded View

Removal and Installation

Disassembly and Assembly

Inspection