2008 INFINITI FX35 Service Manual

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Page 2705 of 3924

INFINITI FX35 2008 Service Manual
CAMSHAFTEM-221
< SERVICE INFORMATION > [VK45DE]
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4. Measure the center thickness of the removed valve lifters with a
micrometer (A).
5. Use the equation below to calcul

Page 2706 of 3924

INFINITI FX35 2008 Service Manual
EM-222
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OIL SEAL
OIL SEAL
Removal and Installation
of Valve Oil SealINFOID:0000000001325793
REMOVAL
1. Remove engine assembly from vehicle. Refer to EM-237, "Componen

Page 2707 of 3924

INFINITI FX35 2008 Service Manual
OIL SEALEM-223
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1. Remove the following parts:
Front engine undercover
Radiator: Refer to CO-40, "
Component".
Drive belt: Refer

Page 2708 of 3924

INFINITI FX35 2008 Service Manual
EM-224
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OIL SEAL
Using front oil seal drift, press fit until the height of front oil seal
is level with the mounting surface.
Make sure the garter spring is in posi

Page 2709 of 3924

INFINITI FX35 2008 Service Manual
OIL SEALEM-225
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Using rear oil seal drift (commercial service tool), press fit until
the height of front oil seal is level with the m

Page 2710 of 3924

INFINITI FX35 2008 Service Manual
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CYLINDER HEAD
CYLINDER HEAD
On-Vehicle ServiceINFOID:0000000001325796
CHECKING COMPRESSION PRESSURE
1. Warm up engine thoroughly. Then, stop it.
2. Release fuel

Page 2711 of 3924

INFINITI FX35 2008 Service Manual
CYLINDER HEADEM-227
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If the engine speed is out of specified range, check
battery liquid for proper gravity. Check engine speed
agai

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If the engine speed is out of specified range, check
battery liquid for proper gravity. Check engine speed
again with normal battery gravity.
If compression pressure is below minimum value, check valve clearances and parts associated with
combustion chamber (valve, valve seat, piston, pi ston ring, cylinder bore, cylinder head, cylinder head
gasket). After the checking, measure compression pressure again.
If some cylinders have low compression pressure, pour small amount of engine oil into the spark plug
hole of the cylinder to re-check it for compression.
- If the added engine oil improves the compression, piston rings may be worn out or damaged. Check the piston rings and replace if necessary.
- If the compression pressure remains at low level despite the addition of engine oil, valves may be mal- functioning. Check valves for damage. Repl ace valve or valve seat accordingly.
If two adjacent cylinders have respectively low compression pressure and their compression remains low even after the addition of engine oil, cylinder head gaskets are leaking. In such a case, replace cyl-
inder head gaskets.
8. After inspection is completed, install removed parts in the reverse order of removal.
9. Start engine, and make sure that engine runs smoothly.
10. Perform trouble diagnosis. If DTC appears, erase it. Refer to EC-666, "
Trouble Diagnosis Introduction".
ComponentINFOID:0000000001325797
Removal and InstallationINFOID:0000000001325798
REMOVAL
1. Remove engine assembly from vehicle. Refer to EM-237, "Component".
2. Remove exhaust manifold. Refer to EM-179, "
Component".
3. Remove camshaft. Refer to EM-211, "
Component".
1. Engine coolant temperature sensor 2. Washer 3. Cylinder head gasket (left bank)
4. Harness bracket 5. Cylinder head (right bank) 6. Cylinder head bolt
7. Cylinder head gasket (right bank) 8. Cylinder head bolt 9. Cylinder head (left bank)
PBIC2756E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 2712 of 3924

INFINITI FX35 2008 Service Manual
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< SERVICE INFORMATION >[VK45DE]
CYLINDER HEAD
4. Remove cylinder head bolts in reverse order as shown in the fig-
ure with cylinder head bolt wrench (commercial service tool) to
remove cylinde

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