Infiniti G35 (V35) Sedan. Manual — part 626
CYLINDER HEAD
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CYLINDER HEAD
Exploded View
INFOID:0000000000956283
1.
Engine rear lower slinger
2.
Cylinder head (left bank)
3.
Cylinder head bolt
4.
Cylinder head (right bank)
5.
Cylinder head gasket (right bank)
6.
Cylinder head gasket (left bank)
A.
Refer to
symbols not described on the above.
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< DISASSEMBLY AND ASSEMBLY >
CYLINDER HEAD
Removal and Installation
INFOID:0000000000956284
REMOVAL
1.
Remove the following parts:
• Intake manifold collector: Refer to
.
• Rocker cover: Refer to
• Fuel tube and fuel injector assembly: Refer to
• Intake manifold: Refer to
• Exhaust manifold: Refer to
• Water inlet and thermostat assembly: Refer to
.
• Water outlet, water pipe and heater pipe: Refer to
.
• Timing chain: Refer to
• Rear timing chain case: Refer to
.
• Camshaft: Refer to
.
1.
Valve lifter
2.
Valve collet
3.
Valve spring retainer
4.
Valve spring
5.
Valve oil seal
6.
Valve spring seat
7.
Valve guide
8.
Spark plug
9.
Spark plug tube
10. Cylinder head (right bank)
11.
Valve seat
12. Valve (EXH)
13. Valve (INT)
14. Cylinder head (left bank)
: Apply thread locking sealant.
Refer to
for symbol marks in the figure.
JPBIA0069GB
CYLINDER HEAD
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2.
Remove cylinder head bolts in reverse order as shown in the fig-
ure with cylinder head bolt wrench (commercial service tool) and
power tool to remove cylinder heads (right bank and left bank).
3.
Remove cylinder head gaskets.
INSTALLATION
1.
Install new cylinder head gaskets.
2.
Turn crankshaft until No. 1 piston is set at TDC.
• Crankshaft key should line up with the right bank cylinder cen-
ter line as shown in the figure.
A
: Right bank
B
: Left bank
: Engine front
JPBIA0172ZZ
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: Crankshaft key
: Right bank side
JPBIA0174ZZ
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< DISASSEMBLY AND ASSEMBLY >
CYLINDER HEAD
3.
Install cylinder head follow the steps below to tighten cylinder
head bolts in numerical order as shown in the figure with cylin-
der head bolts wrench (commercial service tool).
CAUTION:
• If cylinder head bolts re-used, check their outer diameters
before installation. Refer to
.
• Before installing cylinder head, inspect cylinder head dis-
tortion. Refer to
.
a.
Apply new engine oil to threads and seat surfaces of cylinder
head bolts.
b.
Tighten all cylinder head bolts.
c.
Completely loosen all cylinder head bolts.
CAUTION:
In step “c”, loosen bolts in reverse order of that indicated in the figure.
d.
Tighten all cylinder head bolts.
e.
Turn all cylinder head bolts 95 degrees clockwise (angle tighten-
ing).
CAUTION:
Check the tightening angle by using the angle wrench [SST:
KV10112100 (BT8653-A)] (A). Avoid judgment by visual
inspection without.
• Check tightening angle indicated on the angle wrench indica-
tor plate.
f.
Turn all cylinder head bolts 95 degrees clockwise again (angle
tightening).
4.
After installing cylinder head, measure distance between front
end faces of cylinder block and cylinder head (left and right
banks).
• If measured value is out of the standard, re-install cylinder
head.
5.
Install in the reverse order of removal after this step.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.
A
: Right bank
B
: Left bank
: Engine front
: 105 N·m (11 kg-m, 77 ft-lb)
: 0 N·m (0 kg-m, 0 ft-lb)
: 40.0 N·m (4.1 kg-m, 30 ft-lb)
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Standard
: 14.1 - 14.9 mm (0.555 - 0.587 in)
EMQ0662D
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