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EM-104
[VQ35DE]
CYLINDER HEAD
Revision: 2004 November 2004 FX35/FX45
5. Install the valves.
● Larger diameter valves are for intake side.
6. Install valve spring (uneven pitch type).
● Install smaller pitch end (paint mark) to cylinder head side
(valve spring seat side).
7. Install valve spring retainer.
8. Install valve collet.
● Compress valve spring with valve spring compressor, attach-
ment and adapter (SST). Install valve collet with magnet
hand.
CAUTION:
When working, take care not to damage valve lifter holes.
● Tap valve stem edge lightly with plastic hammer after installa-
tion to check its installed condition.
9. Install valve lifter.
10. Install spark plug tube.
● Press-fit spark plug tube following procedure below.
a. Remove old liquid gasket adhering to cylinder-head mounting
hole.
b. Apply liquid gasket to area within approximately 12 mm (0.47 in)
from edge of spark plug tube press-fit side.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
c. Using a drift, press-fit spark plug tube so that its height “H” is as
specified in the figure.
CAUTION:
● When press-fitting, take care not to deform spark plug tube.
● After press-fitting, wipe off liquid gasket protruding onto cylinder-head upper face.
11. Install spark plug.
Inspection After Disassembly ABS004XA
VALVE DIMENSIONS
● Check dimensions of each valve. For dimensions, refer to EM-
150, "Valve Dimensions" .
● If dimensions are out of the standard, replace valve.
SEM085D
PBIC1803E
Standard press-fit height “H”:
: 38.55 - 38.65 mm (1.5177 - 1.5217 in)
KBIA1248E
SEM188A
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