NISSAN TEANA 2014 Service Manual

SPARK PLUGEM-133
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• Do not use a wire brush for cleaning the spark plugs. Replace as
necessary.
• If plug is covered with carbon, a spark plug cleaner may be used.
• Checking and adjusting plug gap is not required between change intervals. If the gap is out of s pecification, replace the spark plug.
INSTALLATION
Installation is in the reverse order of removal.
*: Always check with the Parts Department for the latest parts information.
SMA773C
Cleaner air pressure : less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time : less than 20 seconds
SMA806CA
Standard type* DENSO
FXE22HR11
Gap (nominal) 1.1 mm (0.043 in)
Revision: November 20132014 Altima NAM

EM-134
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DRIVE BELTS
DRIVE BELTS
Exploded ViewINFOID:0000000009460528
Checking Drive BeltsINFOID:0000000009460529
WARNING:
Inspect and check the drive belts with the engine off.
1. Inspect belt for cracks, fraying, wear or o il adhesion. If necessary, replace with a new one.
2. Rotate the crankshaft pulley two times then ensure t he drive belt auto-tensioner is within the possible use
range.
NOTE:
Inspect drive belt tension when engine is cold.
Tension AdjustmentINFOID:0000000009460530
Belt tension is not manually adjustable, it is aut omatically adjusted by the drive belt auto-tensioner.
Removal and InstallationINFOID:0000000009460531
REMOVAL
1. Remove the front RH wheel and tire. Refer to WT-55, "Adjustment".
2. Remove the fender protector side cover RH. Refer to EXT-26, "FENDER PROTECTOR : Removal and
Installation".
1. Drive belt auto-tensioner 2. Generator 3. A/C compressor
4. Drive belt 5. Crankshaft pulley A. Indicator
B. Range when new drive belt is installed C. Possible use range D. View D Engine front
AWBIA1225GB
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DRIVE BELTSEM-135
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3. While securely holding the hexagonal part in pulley center of
drive belt auto-tensioner, move in the direction of arrow (loosen-
ing direction of drive belt auto-tensioner) using suitable tool.
WARNING:
Avoid placing hand in a locat ion where pinching may occur
if the holding tool accidentally comes off.
CAUTION:
Do not loosen the drive belt auto-tensioner pulley bolt. (do
not turn it counterclockwise. ) If turned counterclockwise,
the complete drive belt auto-t ensioner must be replaced as
a unit, including pulley.
4. Insert a rod approximately 6 mm (0.24 in) in diameter through the rear of drive belt auto-tensioner into retain ing boss to lock drive belt auto-tensioner pulley.
NOTE:
Leave drive belt auto-tensioner pulley arm locked until belt is installed again.
5. Loosen drive belt and then remove it from the other pulleys.
INSTALLATION
1. Install the drive belt onto all of the pulleys.
CAUTION:
Confirm belts are completely set on the pulleys.
2. Release drive belt auto-tensioner, and apply tension to belt. WARNING:
Avoid placing hand in a location wh ere pinching may occur if the holding tool accidentally comes
off.
CAUTION:
Do not loosen the auto-te nsioner pulley bolt. (Don't turn it counterclockwise. If turned counter-
clockwise, the complete auto-tensioner mu st be replaced as a unit, including pulley.
3. Turn crankshaft pulley clockwise several times to equalize tension between each pulley.
4. Confirm tension of belt at indicator is within the possible use range. Refer to EM-19, "Checking Drive
Belts".
5. Install the fender protector side cover RH. Refer to EXT-26, "FENDER PROTECTOR : Removal and
Installation".
6. Install the front RH wheel and tire. Refer to WT-55, "Adjustment"
.
Removal and Installation of Drive Belt Auto-tensionerINFOID:0000000009460532
AWBIA1204GB
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EM-136
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DRIVE BELTS
REMOVAL
CAUTION:
The complete auto-tensioner must be replaced as a unit, including the pulley.
1. Remove the drive belt EM-134, "Removal and Installation"
.
2. Remove the drive belt auto-tensioner using power tool.
CAUTION:
Do not loosen the drive belt auto-te nsioner pulley bolt. (Don't turn it counterclockwise. If turned coun-
terclockwise, the complete drive belt auto-tension er must be replaced as a unit, including pulley.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• If there is damage greater than peeled paint, replace drive belt auto-tensioner unit.
• Do not swap the pulley between the new an d old drive belt auto-tensioner unit.
1. Drive belt auto-tensioner
AWBIA1220GB
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AIR CLEANER FILTEREM-137
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AIR CLEANER FILTER
Exploded ViewINFOID:0000000009460533
Removal and InstallationINFOID:0000000009460534
REMOVAL
CAUTION:
It is not necessary to remove the front ai r duct to replace the air cleaner filter.
NOTE:
Replace the air cleaner filter per the periodic maintenance schedule or as necessary. Refer to MA-7, "FOR
USA AND CANADA : Introduction of Periodic Maintenance".
1. Unhook air cleaner case side clips and lift air cleaner case (upper).
2. Remove the air cleaner filter.
INSTALLATION
Installation is in the reverse order of removal.
1. Air duct hose and resonator assembly 2. Duct sub-cover 3. Front air duct
4. Air cleaner case (lower) 5. Grommets 6. Air cleaner case mounting bracket
7. Bracket 8. Air cleaner filter 9. Air cleaner case (upper)
10. Mass air flow sensor A. To electric throttle control actuator B. Air cleaner case side clips
AWBIA0569ZZ
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EM-138
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CAMSHAFT VALVE CLEARANCE
CAMSHAFT VALVE CLEARANCE
Valve ClearanceINFOID:0000000009460535
CHECKING
• Perform inspection as follows after removal, installation or replace-
ment of camshaft or valve related parts, or if there is unusual
engine conditions regarding valve clearance.
Check valve clearance while engine is cold and not running.
1. Remove the intake manifold collector. Refer to EM-146,
"Removal and Installation".
2. Remove the ignition coils and spark plugs. Refer to EM-132,
"Removal and Installation".
3. Remove the rocker covers. Refer to EM-168, "Removal and
Installation LH" (LH), EM-169, "Removal and Installation RH"
(RH).
4. Set No.1 cylinder at TDC on its compression stroke. • Align pointer with TDC mark on crankshaft pulley.
• Check that the valve lifters on No.1 cylinder are loose and valve lifters on No.4 are tight. If not, turn the crankshaft one full
revolution (360 °) and align as shown.SEM713A
JMBIA1135GB
SEM418G
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CAMSHAFT VALVE CLEARANCEEM-139
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5. Check only the valves as shown.
• Using a feeler gauge, measure the clear ance between the valve lifter and camshaft.
• Record any valve clearance measurements which are out of specification. They will be used later to
determine the required replacement lifter size.
Valve Clearance for Checking (cold)
6. Turn crankshaft 240 °.
7. Set No.3 cylinder at TDC on its compression stroke.
Crank Position Valve No. 1 Valve No. 2 Valve No. 3 Valve No. 6
No. 1 TDC Intake Exhaust Exhaust Intake
SEM893E
Intake : 0.26 - 0.34 mm (0.010 - 0.013 in)
Exhaust : 0.29 - 0.37 mm (0.011 - 0.015 in)
SEM139D
KBIA0185E
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EM-140
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CAMSHAFT VALVE CLEARANCE
8. Check only those valves as shown.
9. Turn the crankshaft 240 ° and align as above.
10. Set No.5 cylinder at TDC on its compression stroke.
11. Check only those valves as shown.
12. If all valve clearances are within specification, inst all the following components. If the valve clearances are
out of specification, adj ust the valve clearances.
• Rocker covers. Refer to EM-168, "Removal and Installation LH"
(LH), EM-169, "Removal and Installa-
tion RH" (RH).
• All spark plugs. Refer to EM-132, "Removal and Installation"
.
• All ignition coils. Refer to EM-162, "Removal and Installation LH"
(LH), EM-162, "Removal and Installa-
tion RH" (RH).
• Intake manifold collector. Refer to EM-146, "Removal and Installation"
.
Crank Position Valve No. 2 Valve No. 3 Valve No. 4 Valve No. 5
No. 3 TDC Intake Intake Exhaust Exhaust
SEM894E
Crank Position Valve No. 1 Valve No. 4 Valve No. 5 Valve No. 6 No. 5 TDC Exhaust Intake Intake Exhaust
SEM958E
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CAMSHAFT VALVE CLEARANCEEM-141
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VALVE ADJUSTING
CAUTION:
Adjust valve clearance while engine is cold.
NOTE:
• Perform adjustment by selecting the correct head thicknes s of the valve lifter (adjusting shims are not used).
• The specified valve lifter thickness is the dimension at normal temperatures. Ignore dimensional differences
caused by temperature. Use spec ifications for hot engine condition to confirm valve clearances.
1. Remove the camshaft. Refer to EM-194, "Removal and Installation"
.
2. Remove the valve lifter that was measur ed as being outside the standard specifications.
3. Measure the center thickness of the removed lifter with a micrometer, as shown.
4. Use the equation below to calculate the replacement valve lifter thickness.
Valve lifter thickness calculation equation: t = t1 + (C1 - C2)
t = thickness of the replacement lifter
t1 = thickness of the removed lifter
C1 = measured valve clearance
C2 = standard valve clearance
• The thickness of the new valve lifter can be identified by the
stamp mark on the reverse side (inside the lifter).
• Available thickness of the valve lifter (factory setting):
7.88 - 8.40 mm (0.3102 - 0.3307 in), in 0.02 mm (0.0008 in)
increments, in 27 sizes (intake / exhaust). Refer to EM-249,
"Cylinder Head".
5. Install the selected replacement valve lifter.
6. Install the camshaft. Refer to EM-194, "Removal and Installation"
.
7. Rotate the crankshaft a few turns by hand.
8. Confirm that the valve clear ances are within specification.
9. After the engine has been run to full operating temperat ure, confirm that the valve clearances are within
specification.
* Approximately 80 °C (176 °F)
SEM754G
SEM755G
Standard Valve Clearance Cold Hot* (reference data)
Intake 0.26 - 0.34 mm (0.010 - 0.013 in) 0.304 - 0.416 mm (0.012 - 0.016 in)
Exhaust 0.29 - 0.37 mm (0.011 - 0.015 in) 0.308 - 0.432 mm (0.012 - 0.017 in)
Revision: November 20132014 Altima NAM

EM-142
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COMPRESSION PRESSURE
COMPRESSION PRESSURE
On-Vehicle ServiceINFOID:0000000009460536
CHECKING COMPRESSION PRESSURE
1. Run the engine until it reaches normal operating temperature.
2. Turn the ignition switch to OFF.
3. Release fuel pressure and leave t he fuel pump electrically disconnected.
Refer to EC-687, "Work Procedure"
.
4. Remove all six spark plugs. Refer to EM-132, "Removal and Installation"
.
5. Install the compression tester with the adapter into the spark plug hole. • Use compression tester whose end (a) (rubber portion) is
smaller than 20 mm (0.79 in) in diameter. Otherwise, it may be
caught by cylinder head during removal.
6. Depress accelerator pedal fully to keep the electric throttle control actuator butterfly-valve wide open to
maximize air intake flow.
7. Crank the engine and record the highest gauge indication.
8. Repeat the measurement on each cylinder (steps 5 - 7). NOTE:
Always use a fully charged battery to obtain specified engine speed.
Unit: kPa (kg/cm2, psi)/rpm
9. If compression in one or more cylinders is low:
a. Pour a small amount of engine oil into cylinders through the spark plug holes.
b. Retest compression (steps 5 - 8).
• If adding oil helps raise compression pressure, then the piston rings may be worn or damaged. If so, replace piston rings after checking piston.
• If the pressure stays low, a valve may be sticking or is seating improperly. Inspect and repair the valve and/
or valve seat. Refer to EM-212, "Inspection After Disassembly"
. If the valve and/or valve seat is damaged
replace as necessary.
• If compression stays low in two or more cylinders that are next to each other:
- The cylinder head gasket may be leaking.
- Both cylinders may have valve component damage. Inspect and repair as necessary.
JPBIA0171ZZ
Standard Minimum Difference limit between cylinders
1,275 (13.0, 185)/300 981 (10.0, 142)/300 98 (1.0, 14)/300
Revision: November 20132014 Altima NAM