2008 INFINITI FX35 Service Manual

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INFINITI FX35 2008  Service Manual 
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 Crankshaft key should line up with the left bank cylinder center
line as shown in the figure.
3. Install cylinde

Page 2714 of 3924

INFINITI FX35 2008  Service Manual 
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CYLINDER HEAD
 Refer to 
GI-8, "Component" for symbols in the figure.
DISASSEMBLY
1. Remove spark plug with spark plug wrench (commercial service tool).
2. Rem

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6. Remove valve oil seal with valve oil seal puller (SST).
7. If valve seat must be replaced, refer to 
EM-232, "

Page 2716 of 3924

INFINITI FX35 2008  Service Manual 
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CYLINDER HEAD
 Compress valve spring with valve spring compressor, attach-
ment and adapter (SST). Install valve collet with magnetic
hand.
CAUTION:
When worki

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Measure the diameter of va
lve stem with micrometer.
Valve Guide Inner Diameter
Measure the inner diameter of valv

Page 2718 of 3924

INFINITI FX35 2008  Service Manual 
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CYLINDER HEAD
3. Using valve guide reamer (commercial service tool), ream cylin-
der head valve guide hole.
4. Heat cylinder head to 110 to 130 °C (230 to 266

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VALVE SEAT REPLACEMENT
When valve seat is removed, replace with 
oversized [0.5 mm (0.020 in)] valve seat.
1. Bore

Page 2720 of 3924

INFINITI FX35 2008  Service Manual 
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CYLINDER HEAD
 Set try square along the side of valve spring and rotate spring.
Measure the maximum clearance between the top face of spring
and try square.