2008 INFINITI FX35 clock

EM-92
< SERVICE INFORMATION >[VQ35DE]
CAMSHAFT
In cases of removing/installing or replacing camshaft and valve-
related parts, or of unusual engine conditions due to changes in
valve clearance (found malfunctions during stating, idling or causing
noise), perform inspection as follows:
1. Remove rocker covers (right and left bank). Refer to
EM-51, "
Component".
2. Measure the valve clearance as follows:
a. Set No. 1 cylinder at TDC of its compression stroke.  Rotate crankshaft pulley clockwise to align timing mark(grooved line without color) with timing indicator.
 Make sure that intake and exhaust cam nose on No. 1 cylinder (engine front side of right bank) are located as shown in the
figure.
 If not, turn crankshaft one revolution (360 degrees) and align as shown in the figure.
b. Use a feeler gauge, measure t he clearance between valve lifter
and camshaft.
Valve clearance:
Unit: mm (in)
*: Approximately 80°C (176 °F)
SEM713A
KBIA1717J
SEM418G
SEM139D
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)
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CAMSHAFTEM-93
< SERVICE INFORMATION > [VQ35DE]
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 By referring to the figure, measure the valve clearances at
locations marked “ ×” as shown in the table below (locations
indicated in the figure).
 No. 1 cylinder at compression TDC
c. Rotate crankshaft by 240 degrees clockwise (when vi ewed from engine front) to align No. 3 cylinder at
TDC of its compression stroke.
NOTE:
 To align cylinder No. 3 with the compression top dead center, place matching marks (A) on the crankshaft pulley (1) side and
on the cylinder block side at a point 240 ° counterclockwise
from the compression top dead center using the hex head of
the crankshaft pulley bolt as a guide.
Measuring position (right bank) No. 1 CYL. No. 3 CYL. No. 5 CYL.
No. 1 cylinder at
compression TDC EXH
×
INT ×
Measuring position (left bank) No. 2 CYL. No. 4 CYL. No. 6 CYL.
No. 1 cylinder at
compression TDC INT
×
EXH ×
PBIC2054E
PBIC4628J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

EM-94
< SERVICE INFORMATION >[VQ35DE]
CAMSHAFT
 By referring to the figure, measure the valve clearances at
locations marked “ ×” as shown in the table below (locations
indicated in the figure).
 No. 3 cylinder at compression TDC
d. Rotate crankshaft by 240 degrees clockwise (when viewed from engine front) to align No. 5 cylinder at TDC of compression stroke.
NOTE:
 To align cylinder No. 5 with the compression top dead center,place matching marks (A) on the crankshaft pulley (1) side and
on the cylinder block side at a point 240 ° counterclockwise
from the compression top dead center using the hex head of
the crankshaft pulley bolt as a guide.
Measuring position (right bank) No. 1 CYL. No. 3 CYL. No. 5 CYL.
No. 3 cylinder at
compression TDC EXH
×
INT ×
Measuring position (left bank) No. 2 CYL. No. 4 CYL. No. 6 CYL.
No. 3 cylinder at
compression TDC INT
×
EXH ×
PBIC2055E
PBIC4628J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

EM-104
< SERVICE INFORMATION >[VQ35DE]
CYLINDER HEAD
e. Turn all cylinder head bolts 90 degrees clockwise (angle tighten-
ing).
CAUTION:
Check the tightening angle by using the angle wrench
(SST). Avoid judgment by vi sual inspection without SST.
 Check tightening angle indicated on the angle wrench indica-
tor plate.
f. Turn all cylinder head bolts 90 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 cylinderhead.
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. Before starting engine, check oil/fluid levels incl uding engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-9, "
Fluids and Lubricants".
 Use procedure below to check for fuel leakage.
- Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leak-
age at connection points.
- Start engine. With engine speed increased, che ck again for fuel leakage at connection points.
 Run engine to check for unusual noise and vibration.
 Warm up engine thoroughly to make sure there is no leak age of fuel, exhaust gases, or any oil/fluids includ-
ing engine oil and engine coolant.
 Bleed air from lines and hoses of applic able lines, such as in cooling system.
 After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the specified level, if necessary.
Summary of the inspection items:
*: Transmission/transaxle/CVT fluid. power steering fluid, brake fluid, etc.
PBIC0888E
Standard : 14.1 - 14.9 mm (0.555 - 0.587 in)
EMQ0662D
Items Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —
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EM-130
< SERVICE INFORMATION >[VQ35DE]
CYLINDER BLOCK
 Main bearing caps are identified by identification mark cast on
them. For installation, face front mark to front side.
NOTE:
Main bearing cap cannot be replaced as a single part, because it
is machined together with cylinder block.
7. Install main bearing beam.  Install main bearing beam with front mark facing downward (oil pan side).
 Install main bearing beam with front mark facing front of the
engine.
8. Install main bearing cap bolts in numerical order as shown in the figure as follows:
a. Inspect the outer diameter of main bearing cap bolt. Refer to EM-138, "
Inspection After Disassembly".
b. Apply new engine oil to threads and seat surfaces of main bear- ing cap bolts.
c. Tighten main bearing cap bolts in several different steps.
d. Turn all main bearing cap bolts 90 degrees clockwise (Angle tightening).
CAUTION:
Use the angle wrench [SST: KV10112100 (BT8653-A)] to
check tightening angle. Do not make judgment by visual
inspection.
 After installing main bearing cap bolts, make sure that crank-
shaft can be rotated smoothly by hand.
 Check the crankshaft end play. Refer to EM-138, "
Inspection
After Disassembly".
9. Install piston to connecting rod as follows:
a. Using a snap ring pliers, install new snap ring to the groove of piston rear side.  Insert it fully into groove to install.
b. Install piston to connecting rod.  Using an industrial use drier or similar tool, heat piston until piston pin can be pushed in by hand without
excess force [approx. 60 to 70 °C (140 to 158 °F)]. From the front to the rear, insert piston pin into piston
and connecting rod.
SEM456G
PBIC0881E
: 35.3 N·m (3.6 kg-m, 26 ft-lb)
PBIC1800E
PBIC0921E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

CYLINDER BLOCKEM-133
< SERVICE INFORMATION > [VQ35DE]
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d. Then tighten all connecting rod bolts 90 degrees clockwise
(Angle tightening).
CAUTION:
Always use the angle wrench [SST: KV10112100 (BT8653-
A)]. Avoid tightening b ased on visual check alone.
 After tightening connecting rod bolts, make sure that crank-
shaft rotates smoothly.
 Check the connecting rod side clearance. Refer to EM-138,
"Inspection After Disassembly".
15. Install baffle plate to main bearing beam (2WD models).
16. Install new rear oil seal retainer to cylinder block.  Apply new engine oil to both oil seal lip and dust seal lip.
 Apply a continuous bead of liquid gasket with the tube presser(commercial service tool) to rear oil seal retainer as shown in
the figure.
Use Genuine RTV Silicone Seal ant or equivalent. Refer to
GI-44, "
Recommended Chemical Product and Sealant".
CAUTION:
 Replace with a new parts.
 Attaching should be done wi thin 5 minutes after coating.
 Make sure the garter spring is in position and seal lips not
inverted.
NOTE:
Regard both rear oil seal and retainer as an assembly.
17. Install pilot converter.  With a drift [outer diameter: approx. 33 mm (1.30 in)], press-fitas far as it will go.
 Press-fit pilot converter with its chamfer facing crankshaft as shown in the figure.
SEM953E
PBIC2661E
PBIC0899E
SEM537E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

EM-170
< SERVICE INFORMATION >[VK45DE]
DRIVE BELTS
DRIVE BELTS
ComponentINFOID:0000000001325765
Checking Drive BeltsINFOID:0000000001325766
WARNING:
Be sure to perform when engine is stopped.
 Remove air duct (inlet) when inspecting drive belt for alternator, water pump and A/C compressor.
 Remove front engine undercover with power tool when inspecting power steering oil pump belt.
 Make sure that indicator (single line notch) of eac
h auto tensioner is within the allowable working range
(between three line notches).
NOTE:
 Check auto tensioner indication when engine is cold.
 When new drive belt is installed, the range should be “A”.
 The indicator notch is located on the moving side of auto tensioner for alternator, water pump and A/C
compressor belt, while it is found on the fixed side for power steering oil pump belt.
 Visually check entire belt for wear, damage or cracks.
 If the indicator is out of allowable wo rking range or belt is damaged, replace belt.
Tension AdjustmentINFOID:0000000001325767
Belt tensioning is not necessary, as it is automatically adjusted by auto tensioner.
Removal and InstallationINFOID:0000000001325768
REMOVAL
Alternator, Water Pump and A/C Compressor Belt
1. Remove air duct (inlet). Refer to EM-173, "Component".
2. With box wrench, and while securely holding the hexagonal part in pulley center of auto tensioner, move wrench handle in the
direction of arrow (loosening direction of tensioner).
CAUTION:
 Avoid placing hand in a location where pinching may
occur if the holding tool accidentally comes off.
 Do not loosen the hexagonal part in center of drive belt auto-tensioner pulley (Do not tu rn it clockwise). If turned
clockwise, the complete dri ve belt auto-tensioner must be
replaced as a unit, including the pulley.
PBIC2331E
PBIC2976E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

EM-172
< SERVICE INFORMATION >[VK45DE]
DRIVE BELTS
Drive Belt Auto Tensioner and Idler Pulley
INFOID:0000000001325770
REMOVAL
1. Remove air duct (inlet). Refer to EM-173, "Component".
2. Remove front engine undercover with power tool.
3. Remove drive belts. Refer to EM-170, "
Removal and Installation".
 Keep auto tensioner pulley arm locked after belt is removed.
4. Remove auto tensioner and idler pulley with power tool.  Keep auto tensioner pulley arm locked to install or remove auto tensioner.
CAUTION:
Do not loosen the hexagonal part in center of drive belt auto-tensioner pulley (Do not turn it clock-
wise). If turned clockwise, the complete drive belt auto-tensioner must be replaced as a unit,
including the pulley.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Do not swap the pulley between new and old drive belt auto-tensioner.
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