CYLINDER HEAD
EM-95
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D
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G
H
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EM
Revision: 2006 November2007 350Z
6. Remove valve oil seals using valve oil seal puller (SST).
7. If valve seat must be replaced, refer to EM-99, "
VALVE SEAT REPLACEMENT" .
8. If valve guide must be replaced, refer to EM-97, "
VALVE GUIDE REPLACEMENT" .
9. Remove spark plug tube, as necessary.
Using pair of pliers, pull spark plug tube out of cylinder head.
CAUTION:
Take care not to damage cylinder head.
Once removed, spark plug tube will be deformed and cannot be reused. Do not remove it unless
absolutely necessary.
ASSEMBLY
1. When valve guide is removed, install it. Refer to EM-97, "VALVE GUIDE REPLACEMENT" .
2. When valve seat is removed, install it. Refer to EM-99, "
VALVE SEAT REPLACEMENT" .
3. Install valve oil seals.
Install with valve oil seal drift (SST) to match dimension in the
figure.
4. Install valve spring seat.
5. Install valves.
NOTE:
Larger diameter valves are for intake side.
6. Install valve spring (uneven pitch type).
Install narrow pitch end (paint mark) to cylinder head side
(valve spring seat side).
7. Install valve spring retainer.
PBIC0884E
Height “H” (Without valve spring seat installed)
Intake and exhaust : 14.3 - 14.9 mm (0.563 - 0.587 in)
PBIC0802E
Paint mark color : Yellowish green
SEM085D
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-137
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Revision: 2006 November2007 350Z
SPARK PLUG
Unit: mm (in)
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
*
1 : Cam wear limit
*2 : Total indicator reading
Valve Lifter
Unit: mm (in)
Valve Clearance
Unit: mm (in)
*: Approximately 80°C (176°F) MakeDENSO
Standard typeFXE22HR11
Gap (Nominal)1.1 (0.043)
Items Standard Limit
Camshaft journal oil clearanceNo. 1 0.045 - 0.086 (0.0018 - 0.0034)
0.15 (0.0059)
No. 2, 3, 4 0.035 - 0.076 (0.0014 - 0.0030)
Camshaft bracket inner diameterNo. 1 26.000 - 26.021 (1.0236 - 1.0244) —
No. 2, 3, 4 23.500 - 23.521 (0.9252 - 0.9260) —
Camshaft journal diameterNo. 1 25.935 - 25.955 (1.0211 - 1.0218) —
No. 2, 3, 4 23.445 - 23.465 (0.9230 - 0.9238) —
Camshaft end play 0.115 - 0.188 (0.0045 - 0.0074) 0.24 (0.0094)
Camshaft cam height “A”Intake 45.865 - 46.055 (1.8057 - 1.8132)
0.2 (0.008)*
1
Exhaust 45.875 - 46.065 (1.8061 - 1.8136)
Camshaft runout (TIR*
2 )Less than 0.02 (0.0008) 0.05 (0.0020)
Camshaft sprocket runout (TIR*
2 )— 0.15 (0.0059)
SEM671
Items Standard
Valve lifter outer diameter 33.980 - 33.990 (1.3378 - 1.3382)
Valve lifter hole diameter 34.000 - 34.016 (1.3386 - 1.3392)
Valve lifter clearance0.010 - 0.036 (0.0004 - 0.0014)
Items Cold Hot* (reference data)
Intake 0.26 - 0.34 (0.010 - 0.013) 0.304 - 0.416 (0.012 - 0.016)
Exhaust 0.29 - 0.37 (0.011 - 0.015) 0.308 - 0.432 (0.012 - 0.017)
