2008 NISSAN TEANA height

EM-106
< DISASSEMBLY AND ASSEMBLY >
CYLINDER HEAD
 Check the valve spring pressure at specified spring height.
 If the installation load or load with valve open is out of the stan-
dard, replace valve spring.
INSPECTION AFTER INSTALLATION
Inspection for Leakage
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.
 Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-11, "
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, check again for fuel leakage at connection points.
 Run engine to check for unusual noise and vibration.
 Warm up engine thoroughly to check there is no leakage of fuel, exhaust gases, or any oil/fluids including
engine oil and engine coolant.
 Bleed air from lines and hoses of applicable 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.
Standard (Intake and exhaust)
: Refer to EM-139,
"CylinderHead". Free height
Installation height
Installation load
Height during valve open
Load with valve open
SEM113
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 —

CYLINDER BLOCK
EM-127
< DISASSEMBLY AND ASSEMBLY >
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 Remove main bearing caps and bearings, and using the scale on
the plastigage bag, measure the plastigage width.
NOTE:
The procedure when the measured value exceeds the limit is
same as that described in the “Method by Calculation”.
MAIN BEARING CRUSH HEIGHT
 When main bearing cap is removed after being tightened to the
specified torque with main bearings (1) installed, the tip end of
bearing must protrude. Refer to EM-110, "
Disassembly and
Assembly" for the tightening procedure.
 If the standard is not met, replace main bearings.
CONNECTING ROD BEARING CRUSH HEIGHT
 When connecting rod bearing cap is removed after being tightened
to the specified torque with connecting rod bearings (1) installed,
the tip end of bearing must protrude. Refer to EM-110, "
Disassem-
bly and Assembly" for the tightening procedure.
 If the standard is not met, replace connecting rod bearings.
MAIN BEARING CAP BOLT OUTER DIAMETER
 Measure the outer diameters (c), (d) at two positions as shown in
the figure.
 If reduction appears in (a) range, regard it (c).
 If it exceeds the limit (large difference in dimensions), replace main
bearing cap bolt with new one.
CONNECTING ROD BOLT OUTER DIAMETER
JPBIA0231ZZ
A : Crush height
Standard : There must be crush height.
JPBIA0233ZZ
A : Crush height
Standard : There must be crush height.
JPBIA0233ZZ
a : 20 mm (0.79 in)
b : 30 mm (1.18 in)
e : 10 mm (0.39 in)
Limit [(d) – (c)] : 0.11 mm (0.0043 in)
JPBIA0234ZZ

EM-136
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Drive Belt
INFOID:0000000003802301
DRIVE BELT
Spark PlugINFOID:0000000003802302
SPARK PLUG
Unit: mm (in)
Intake Manifold INFOID:0000000003802303
INTAKE MANIFOLD
Unit: mm (in)
Exhaust ManifoldINFOID:0000000003802304
EXHAUST MANIFOLD
Unit: mm (in)
CamshaftINFOID:0000000003802305
CAMSHAFT
Unit: mm (in)
Tension of drive belt Belt tension is not necessary, as it is automatically adjusted by drive belt auto-tensioner.
MakeDENSO
Standard typeVQ25DE FXE20HR11
VQ35DE FXE22HR11
Gap (Nominal)Standard 1.1 (0.043)
Limit 1.4 (0.055)
Items Limit
Surface distortion Intake manifold 0.1 (0.004)
Items Limit
Surface distortion Exhaust manifold 0.3 (0.012)
ItemsStandard
Limit
VQ25DE VQ35DE
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”Intake44.665 - 44.855
(1.7585 - 1.7659)45.465 - 45.655
(1.7900 - 1.7974)0.2 (0.008)*
1
Exhaust44.775 - 44.965
(1.7628 - 1.7703)45.475 - 45.665
(1.7904 - 1.7978)0.2 (0.008)*1
Camshaft runout [TIR*2]Less than 0.02 (0.0008) 0.05 (0.0020)

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-139
< SERVICE DATA AND SPECIFICATIONS (SDS)
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Cylinder HeadINFOID:0000000003802306
CYLINDER HEAD
Unit: mm (in)
VALVE DIMENSIONS
820P 8.20 (0.3228)
822P 8.22 (0.3236)
824P 8.24 (0.3244)
826P 8.26 (0.3252)
828P 8.28 (0.3260)
830P 8.30 (0.3268)
832P 8.32 (0.3276)
834P 8.34 (0.3283)
836P 8.36 (0.3291)
838P 8.38 (0.3299)
840P 8.40 (0.3307) Identification (stamped) mark Thickness
SEM758G
Items Standard Limit
Head surface distortion Less than 0.03 (0.0012) 0.1 (0.004)
Normal cylinder head height “H” 126.3 - 126.5 (4.97 - 4.98) —
PBIC0924E

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-141
< SERVICE DATA AND SPECIFICATIONS (SDS)
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Unit: mm (in)
*1: Diameter made by intersection point of conic angles “α1” and “α2”
*
2: Diameter made by intersection point of conic angles “α2” and “α3”
*
3: Machining data
VQ35DE
Items Standard Oversize (Service) [0.5 (0.020)]
Cylinder head seat recess diameter “D”Intake 35.000 - 35.016 (1.3780 - 1.3786) 35.500 - 35.516 (1.3976 - 1.3983)
Exhaust 30.000 - 30.016 (1.1811 - 1.1817) 30.500 - 30.516 (1.2008 - 1.2014)
Valve seat outer diameter “d”Intake 35.080 - 35.096 (1.3811 - 1.3817) 35.580 - 35.596 (1.4008 - 1.4014)
Exhaust 30.080 - 30.096 (1.1842 - 1.1849) 30.580 - 30.596 (1.2669 - 1.2676)
Valve seat interference fitIntake 0.064 - 0.096 (0.0025 - 0.0038)
Exhaust 0.064 - 0.096 (0.0025 - 0.0038)
Diameter “d1”*
1Intake 35.3 (1.390)
Exhaust 30.3 (1.193)
Diameter “d2”*
2Intake 33.3 - 33.8 (1.311 - 1.331)
Exhaust 28.1 - 28.6 (1.106 - 1.126)
Angle “α1”Intake 60°
Exhaust 60°
Angle “α2”Intake 88°45′ - 90°15′
Exhaust 88°45′ - 90°15′
Angle “α3”Intake 120°
Exhaust 120°
Contacting width “W”*
3Intake 1.0 - 1.4 (0.039 - 0.055)
Exhaust 1.2 - 1.6 (0.047 - 0.063)
Height “h”Intake 6.2 - 6.3 (0.244 - 0.248) 5.4 - 5.5 (0.213 - 0.217)
Exhaust 5.9 - 6.0 (0.232 - 0.236) 4.95 - 5.05 (0.1949 - 0.1988)
Depth “H”Intake 6.35 (0.2500)
Exhaust 6.0 (0.236)
PBIC2745E

EM-142
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
*1: Diameter made by intersection point of conic angles “α1” and “α2”
*
2: Diameter made by intersection point of conic angles “α2” and “α3”
*
3: Machining data
VALVE SPRING
Items Standard Oversize (Service) [0.5 (0.020)]
Cylinder head seat recess diameter “D”Intake 38.000 - 38.016 (1.4961 - 1.4967) 38.500 - 38.516 (1.5157 - 1.5164)
Exhaust 31.600 - 31.616 (1.2441 - 1.2447) 32.100 - 32.116 (1.2638 - 1.2644)
Valve seat outer diameter “d”Intake 38.097 - 38.113 (1.4999 - 1.5005) 38.597 - 38.613 (1.5196 - 1.5202)
Exhaust 31.680 - 31.696 (1.2472 - 1.2479) 32.180 - 32.196 (1.2669 - 1.2676)
Valve seat interference fitIntake 0.081 - 0.113 (0.0032 - 0.0044)
Exhaust 0.064 - 0.096 (0.0025 - 0.0038)
Diameter “d1”*
1Intake 34.6 (1.362)
Exhaust 27.7 (1.091)
Diameter “d2”*
2Intake 35.9 - 36.4 (1.413 - 1.433)
Exhaust 29.3 - 29.8 (1.154 - 1.173)
Angle “α1”Intake 60°
Exhaust 60°
Angle “α2”Intake 88°45′ - 90°15′
Exhaust 88°45′ - 90°15′
Angle “α3”Intake 120°
Exhaust 120°
Contacting width “W”*
3Intake 1.0 - 1.4 (0.039 - 0.055)
Exhaust 1.2 - 1.6 (0.047 - 0.063)
Height “h”Intake 5.9 - 6.0 (0.232 - 0.236) 5.0 - 5.1 (0.197 - 0.201)
Exhaust 5.9 - 6.0 (0.232 - 0.236) 4.9 - 5.0 (0.193 - 0.197)
Depth “H”6.0 (0.236)
PBIC2745E
Items Standard
Free height 47.07 mm (1.8531 in)
Installation height 37.00 mm (1.4567 in)
Installation load 166 - 188 N (16.9 - 19.2 kg, 37 - 42 lb)
Height during valve open 27.20 mm (1.0709 in)
Load with valve open 373 - 421 N (38.0 - 42.9 kg, 84 - 95 lb)

EXL-10
< BASIC INSPECTION >[XENON TYPE]
INSPECTION AND ADJUSTMENT
SENSOR INITIALIZE : Description
INFOID:0000000003774311
HEADLAMP AIMING CONTROL SYSTEM
Perform the sensor initialize when installing, removing and replacing the auto levelizer control unit and sus-
pension components.
SENSOR INITIALIZE : Special Repair Requirement (HEADLAMP AIMING CONTROL
SYSTEM)
INFOID:0000000003774312
1.VEHICLE CONDITION CHECK
1. Park the vehicle in the straight-forward position.
2. Unload the vehicle (no passenger aboard).
>> GO TO 2.
2.SENSOR INITIALIZE
CONSULT-III WORK SUPPORT
1. Select "SENSOR INITIALIZE" of HEADLAMP LEVELIZER work support item.
2. Select "START".
3. When "INITIALIZE COMPLETE", select "END".
CAUTION:
If "INITIALIZE NOT DONE" is indicated, auto levelizer control unit detects that the sensor lever sig-
nal changes. The sensor initialize is cancelled. In this case, turn the ignition switch OFF to prevent
the vehicle from the height change. Perform the sensor initialize again.
Is the sensor initialize completed?
YES >> GO TO 3.
NO >> Perform the sensor initialize again.
3.SELF-DIAGNOSIS RESULT CHECK
Perform the self-diagnosis with CONSULT-III. Check that any DTC is not detected.
Is any DTC detected?
YES >> GO TO 2.
NO >> Sensor initialize completed

HEADLAMP AIMING CONTROL SYSTEM (AUTO)
EXL-15
< FUNCTION DIAGNOSIS >[XENON TYPE]
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HEADLAMP AIMING CONTROL SYSTEM (AUTO)
System DiagramINFOID:0000000003774320
System DescriptionINFOID:0000000003774321
OUTLINE
 Headlamp aiming control system is controlled by auto levelizer control unit.
 Auto levelizer control unit controls the headlamp light axis height appropriately depending on the vehicle rear
height.
 Auto levelizer control unit detects the vehicle condition necessary for the aiming motor control with the fol-
lowing signals.
- Sensor lever signal (detected by the sensor lever)
- Tail lamp signal (inputted from IPDM E/R)
- Vehicle speed signal (8-pulse) (inputted from combination meter)
HEADLAMP AUTO AIMING OPERATION
 Auto levelizer control unit calculates vehicle pitch angle from sensor lever signal and determines the neces-
sary correction to compensate the deviation from standard light axis position.
 Auto levelizer control unit outputs aiming motor drive signal when operating conditions are satisfied.
Operating condition
- Ignition switch ON
- Tail lamp ON
 Auto levelizer control unit changes the aiming motor drive signal when any of the correcting condition is
detected. Output is maintained if other condition is detected.
Correcting condition- Tail lamp is turned ON.
- Vehicle posture becomes stable after the vehicle posture change is detected with the tail lamp ON and the
vehicle stopped.
- Vehicle speed is maintained with the tail lamp ON and the vehicle driven.
CAUTION:
Adjusted axis position may differ from the preset position although the headlamp auto aiming acti-
vates properly when the suspension is replaced or worn.
JPLIA0171GB