1995 NISSAN ALMERA N15 Service Manual

Valveguide SERVICE
DATAANDSPECIFICATIONS (50S)
Inspection andAdjustment (Cont'd)
Unit:mm(in)
Intake Exhaust
Standard ServiceStandard
Service
Valve gUide
Outer diameter 9.523
-9.534 9.723-9.734 9523-9.534
9.723-9.734
(0.3749 -0.3754) (0.3828-03832)
(0.3749-0.3754) (0.3828-0.3832)
Valve guide
Inner diameter
5500-5.515 (0.2165 -0.2171) 5.500-5.515 (0.2165 -0.2171)
[Finished size]
Cylinder headvalve guide holediameter 9.475
-9.496
9.685-9.696 9.475-9.496 9.685-9.696
(0.3730 -0.3739) (0.3813-0.3817)
(0.3730-0.3739) (0.3813-0.3817)
Interference fit
01
valve guide 0.027
-0.059 0.027-0.049 0.027-0.059 0.027-0.049
(0.0011 -0.0023)
(0.0011-0.0019) (0.0011
-0.0023) (0.0011-0.0019)
Stem toguide clearance
0.020-0.050 (0.0008 -0.0020) 0.040-0.070 (0.0016 -0.0028)
Valve deflection limit
0.2(0.008) 0.2(0.008)
(Dial gauge reading)
Projection length
11.5-11.7 (0.453 -0.461)
Valve spring
Free height
mm(in) 41.19
(1.6217)
Standard 344.42
(35.12, 77.44)
Pressure N(kg, Ib)at at
25.26 (0.9945)
height mm(in)
32373(33.01. 72.79)
Limit
at25.26 (0.9945)
Out-aI-square mm(in) Lessthan1.80(0.0709)
Valve lifter
Unit:mm(in)
Valve lifteroutside diameter
Lifter guide inside diameter
Clearance betweenlifterand
lifter guide 29.960
-29.975 (1.1795 -1.1801)
30000 -30.021 (1.1811 -1.1819)
0.025 -0.061 (0.0010 -0.0024)
EM-158

SERVICEDATAANDSPECIFICATIONS (50S)
Inspection andAdjustment (Cont'd)
Valve seat
Unit:mm(in)

•

SEM239F
5.65
(0.2224)
5.65 (0.2224)
Oversize.
@dia.
~dia~.-'--

dia.
'Cylinder headmachining data
EXHAUST
Standard
SEM573DA
•
Cylinder headmachining data
INTAKE
Standard
Dia. GA16DE
withoutVTe GA14DE
and15DE
GA16DEwithVTe
@ 27.8-28.0 (1094 -1 102) 26.4-26.6 (1.039 -1.047) 27.8-28.0 (1.094 -1.102)
@ 29.5-29.7 (1.161 -1.169) 285
-28.7 (1.122 -1.130)
29.5-29.7 (1.161 -1.169)
@ 319-32.1 (1.256 -1.264) 302-30.4 (1.189 -1.197) 31.9-32.1 (1.256 -1.264)
@ 31.500-31.516 (1.2402 -1.2408) 30.500
-30.516 (1.2008 -1.2014) 31.500-31.516 (1.2402 -1.2408)

(f)
23.5-23.7 (0.925 -0.933) 235
-23.7 (0.925 -0.933) 24.5-247 (0.965 -0.972)

CD
25.200
-25.4 (0.9921 -1.0000) 25.200-25.4 (0.9921 -1.0000) 26.2-26.4 (1.031 -1.039)
@ 25.500-25516 (1.0039 -1.0046) 25.500-25.516 (1.0039 -1.0046) 26.500-26.516 (1.0433 -1.0439)
EM-159

SERVICEOATAAND SPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
CAMSHAFT ANDCAMSHAFT BEARING CYLINDERBLOCK
Camshaft
Unit:
mm(in)
Unit: mm(in)
GA16DE GA16DE
GA16DE with
with
Engine GA14DEGA15DE without
VTC
VTC
for
model
VTC
except
Aus-
for tralia
Europe
39,880 -
39,380 -40,610
-
40,610 -

Q)
40070
39,570
40,800
40800

""
(1.5701
-(1.5504 -(1.5988 -(1.5988 -

<1l

39,380 -
Cam
C

1.5776)1.5579)1.6063) 1.6063)
39.570
height
-

"A" (1,5504
-
40.056 -39.880 -
40.056 -39.91
-

U;
1.5579)
40.24640,07040.246 40.100

:::l

<1l
(1.5770-(1.5701-(1.5770 -(1.5713 -

.c

x

1,5845)1,5776)
1.5845) 1,5787)

w

Cam wear
0.20(0.0079)
limit

EM671
Camshaft bearing

Unit:mm(in)
Standard Limit
Camshaft journaltobear- 0,045
-0.086
0,15(0.0059)
ing clearance (00018-0.0034)
NO.1 28.000
-28,021
Inner diameter
(1.1024-1 1032)
of camshaft
-

bearing No.
2to 24,000
-24021
No, 5 (0.9449
-0.9457)
NO.1 27.935
-27.955
Outer diameter
(1,0998-1.1006)
of camshaft
.-

journal No.
2to 23935
-23.955
No, 5 (0,9423
-0,9431)
Camshaft runout[TIR'1] Less
than
01(0,004)
0.02 (0.0008)
0070 -0 143
(0,0028 -
Camshaft endplay 0.0056)'2
020(0,0079)
0,115 -0,188
(0.0045 -
0.0074)'3
T

1
Crankshaftcenter

SEM171D

GA14DE GA16DE
GA15DE Limit
Standard
Surface flatness Less
than
0,1(0,004)
0,03 (0.0012)
Height "H"(nominal) 213.95
-214.05

-

(8.4232 -8.4271)
Standard Inner diameter
73.600- 76.000-
Grade No.1 73,610
76,010
(2.8976 -(2,9921
-
2.8980) 2.9925)
73.610 - 76.010
-
Grade NO.2 73,620
76020
0.2(0,008)
(2.8980 -(2.9925
-
2.8984) 2.9929)
73,620 - 76.020-
Grade No.3 73.630
76.030
(2,8984 -(2.9929 -
2.8988) 2,9933)
Out-ot-round Less
than

-

(X -Yi
0,015
(0.0006)
Less than
Taper (A-B)
._-

0.01 (0.0004)
Difference ininner
diameter between 005
(0,0020) 0,2
(0.008)
cylinders
'1: Total indicator reading
'2: GA 16DE without
VTC
and 14DE
'3: GA16DE withVTC andGA15DE

EM-160

•

Unit:
mm(in)
Standard Limit
Top 0.040
-0.080
Side (0.0016
-0.0031)
clearance 0.2
(0.008)
2nd' 0.030
-0.070
(0.0012 -0.0028)
Top 0.20
-0.35
(0.0079 -0.0138)
End gap 2nd' 0.37
-0.52
1.0(0.039)
(0.0146 -0.0205)
Oil 0.20
-0.60
(0.0079 -0.0236)
Unit:
mm(in)
SERVICE
OATAAND SPECIFICATIONS (SDS)
Inspection andAdjustment (Cont'd)
PISTON, PISTONRINGANDPISTON PIN Pistonring
Piston
':Applies toGA16DE withoutVTC,and14DE.
SEM658D
Centerdistance 140.45
-140.55
(5.5295 -5.5335)
Bend limit[per100(3.94)]
0.15(0.0059)
Torsion limit[per100(3.94)]
0.3(0.012)
Connecting rodbushing inner
19.000-19.012
diameter' (smallend)
(0.7480-0.7485)
Connecting rodbigend inner
43.000-43.013
diameter (1.6929-1.6934)
Side clearance
Standard 0.200-0.470 (0.0079 -0.0185)
Limit 0.52(0.0205)
Piston
pin
GA16DE
GA16DE
GA14DE GA15DE without with
VTC VTC
Piston skirtdiame-
ter "A"
Standard
Grade 73.575-73.585 75.975-75.985
NO.1 (2.8966-2.8970) (29911
-2.9915)
Grade 73.585-73.595 75.985
-75.995
No. 2 (2.8970
-2.8974) (2.9915-2.9919)
Grade 73.595-73.605 75.995-76.005
No. 3 (2.8974-2.8978) (2.9919
-2.9923)
05 (0.020)
74.075-74105 76.475
-
oversize (ser-
(2.9163-2.9175) 76.505
vice) (3.0108
-3.0120)
1.0 (0.039)
74.575-74.605 76.975-77.005
oversize (ser-
(2.9360-2.9372) (3.0305
-3.0317)
vice)
"a" dimension 7.5
7.99.5 9.9
(0.295) (0.311)
(0.374) (0.390)
Piston pinhole
18.987-18.999 (0.7475 -0.7480)
inner diameter
Piston pinouter
18.989-19.001 (0.7476 -0.7481)
diameter
Piston tobore
0.015-0035 (0.0006 -0.0014)
clearance Piston
pinouter diameter
Piston pintopiston clearance
Piston pintoconnecting rod,
bushing clearance
CONNECTING ROD Unit:
mm(in)
18.989 -19.001
(0.7476 -0.7481)
-0.004 to0
(-0.0002 to0)
0.005 -0.017
(0.0002 -0.0007)
Unit: mm(in)
': After installing inconnecting rod
EM-161

CRANKSHAFT SERVICE
DATAANDSPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
MAIN BEARING
Grade No. Thickness
"T"
Identificationcolor
mm (in)
0 1.827
-1.831
Black
(0.0719 -0.0721)
1 1.831
-1.835
Brown
(0.0721 -0.0722)
2 1.835
-1.839
Green
(0.0722 -0.0724)
3 1.839
-1.843
Yellow
(0.0724 -0.0726)
4 1.843
-1.847
Blue
(0.0726 -0.0727)
Unit:
mm(in)
GA14DE
I
GA15DE
GA16DE
Main journal dia.
"Dm"
Grade No.0 49.956-49.964 (1.9668 -1.9671)
Grade NO.1 49.948-49.956 (1.9665 -1.9668)
Grade NO.2
49.940-49.948 (1.9661 -1.9665)
Pin journal dia."Dp"
Grade No.0 39.968-39.974 (1.5735 -1.5738)
Grade NO.1
39.962-39.968 (1.5733 -1.5735)
Grade No.2 39.956-39.962 (1.5731 -1.5733)
Center distance "r" 40.85
-40.95

I
43.95
-44.05
(1.6083 -1.6122) (1.7303-1.7342)
Out-ot-round (X-Y)
Standard Lessthan0.005 (0.0002)
Taper (A-B)
Standard Lessthan0.002 (0.0001)
Runout [TIW]
Standard Lessthan0.05(0.0020)
Free endplay
Standard 0.060-0.180 (0.0024 -0.0071)
Limit 0.3(0.012)
': Total indicator reading Standard
Undersize 0.25(0.0098)
0.50 (0.0197) Unit:
mm(in)
Thickness "T"
1.960 -1.964 (0.0772 -0.0773)
2.085 -2.089 (0.0821 -0.0822)
AVAILABLE CONNECTING RODBEARING
Connecting rodbearing
Unit:mm(in)
Grade No. Thickness
Identificationcolorornumber
0 1.503
-1.506 (0.0592 -0.0593)

-

Standard 11.506-1.509 (0.0593 -0.0594) Brown
2 1.509
-1.512 (0.0594 -0.0595) Green
0.08 (0.0031) 1.542
-1.546 (0.0607 -0.0609)
8
Undersize 0.12(0.0047) 1.562
-1.566 (0.0615 -0.0617) 12
0.25 (0.0098) 1.627
-1.931 (0.0641 -0.0642) 25
Bearing clearance
Unit:mm(in) MISCELLANEOUS
COMPONENTS
Unit:mm(in)
Main bearing clearance
Standard Limit
Connecting rodbearing
clearance 0.018
-0.042
(0.0007 -0.0017)
0.1 (0.004) Camshaft
sprocketrunoutlimit
[TIW]
Flywheel runout[TIW]
Drive platerunout [T1R']
': Total indicator reading 0.17
(0.0067)
Less than0.15(0.0059)
Less than0.2(0.008)
Standard Limit All 0.014
-0.039
(0.0006 -0.0015)
0.1 (0.004)
EM-162

SERVICEDATAANDSPECIFICATIONS (50S)
General Specifications

Number ofmain bearings
Cylinder
arrangement
Displacement
Bore andstroke
Valve arrangement
Firing order
Number ofpiston rings
Compression
Oil
Compression ratiocm
3

(cuin)
mm (in) In-line
4
1,998 (121.92)
86 x86 (3.39 x3.39)
DOHC
1-3-4-2

2

5
9.5 Valve
timing

BOC EM120

Unit: degree
•

COMPRESSION PRESSURE a
Inspection andAdjustment
CYLINDER HEADc

e

Unit: kPa(kg/cm
2,
psi)/300rpm
Compression pressure StandardUnit:
mm(in)
Limit
Standard
Minimum 1,226
(12.5, 178)
1,030 (10.5, 149) Head
surface distortion Less
than
0.03 (0.0012) 0.1
(0.004)
Differential limitbetween
cylinders 98
(1.0, 14)
H

SEM043F

Nominal cylinder headheight "H"
Resurfacing limit 136.9
-137.1
(5.390 -5.398)

0.2 (0.008)"

'Total amount ofcylinder headresurfacing pluscylinder block
resurfacing

EM-163

VALVE SERVICE
DATAANDSPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
Hydraulic lashadjuster (HLA)
Unit: mm(in) Unit:
mm(in)
T (Margin thickness)

1
r-

r1)1a

III' ~

o

L
HLA
outer diameter
HLA guide holediameter
Clearance betweenHLAandHLA guide
hole
Valve guide 16.980
-16.993
(0.6685 -0.6690)
17.000 -17.020
(0.6693 -0.6701)
0.007 -0.040
(0.0003 -0.0016)
Unit: mm(in)
Pressure N(kg, Ib)atheight mm(in)5965
-5.980 (0.2348 -0.2354)
5.945 -5.960 (0.2341 -0.2346) SEM083D
Standard Service
Valve gUide
Intake 10.023
-10.034 10.223
-10.234
Outer (0.3946
-0.3950) (0.4025-0.4029)
diameter 10.023-10.034 10.223
-10.234
Exhaust (0.3946-0.3950) (0.4025
-0.4029)
Valve gUide
Inner Intake 6.000-6018 (0.2362 -0.2369)
diameter
(Finished Exhaust 6.000
-6.018 (0.2362 -0.2369)
size)
Intake9.975
-9.996 10.175-10.196
Cylinder head
(0.3927-0.3935) (0.4006
-0.4014)
valve guide
hole diameter
Exhaust 9.975
-9.996 10.175-10.196
(0.3927 -0.3935) (0.4006
-0.4014)
Interference fitofvalve
0.027-0.059 (0.0011 -0.0023)
guide
StandardLimit
Intake 0.020
-0.053
0.08(0.0031)
Stem toguide (0.0008
-0.0021)
clearance 0.040-0.073
Exhaust (0.0016-0.0029) 0.1
(0.004)
Valve deflection limit 0.2
(0.008)
Projection length"L" 14.0
-14.2 (0.551 -0.559)
49.36
(1.9433)
578.02 -641.57
(58.94 -65.42,
129.96 -144.25)
at 30.0 (1.181)
549.2 (56.0, 123.5)
at 30.0 (1.181)
Less than2.2(0.087)SEM188A
101.19 -101.61
(3.9839 -4.0004)
102.11 -102.53
(4.0201 -4.0366)
Less than0.2(0.008)
1.1
(0.043)
1.3 (0.051)
More than0.5(0.020)
34.0
-34.3 (1.339 -1.350)
30.0 -30.2 (1.181 -1.189)
mm(in)
mm(in)
Limit
Standard Intake
Exhaust
Exhaust
Exhaust
Intake
Exhaust
Valve
length "L"
Intake
Valve stemdiameter "d"
Valve
headdiameter "0"
Intake
Exhaust
Valve margin "T"
Valve margin "T"limit
Valve stemendsurface
grinding limit
Valve
seatangle
"a"

Intake
Free height
Out-aI-square
Valve
spring
EM-164

SERVICEDATAANDSPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
Valve seat
Unit:mm(in)
Cylinder head

•

H H

4
D D
Standard Standard
h '26°
I

I

I

'31.9 -32.1 (1.256 -1.264)
'44°53' -45°01'
'33.6-338
d (1.323 -1.331)
Contacting width(W):1.05-1.35 (0.0413 -0.0531) '27.4
-27.6 (1.079 -1.087)
'29.4 -29.6 (1.157 -1.165)
'50° d
Contacting width(W):125-1.55 (0.0492 -0.0610)
Oversize Oversize
'31.9 -321 (1.256 -1.264)
'44°53' -45°01', I
33.6 -33.8 I
d (1.323 -1.331)
I

Contacting width(W):1.05-1.35 (00413 -0.0531)
': Machining data h
-'27.4 -27.6 (1.079 -1.087)
'44°53' -45°01'
'29.4-29.6 (1.157 -1.165)
d
Contacting width(W):1.25-1.55 (0.0492 -0.0610)

SEM243F

Standard Service
In. 35000-35.016 (1.3780 -1.3786) 35500-35.516 (1.3976 -1.3983)
Cylinder headseatrecess diameter (D)
Ex. 31.000
-31.016 (1.2205 -1.2211) 31.500-31.516 (1.2402 -1.2408)
In. 0.064-0.096 (0.0025 -0.0038)
Valve seatinterference fit
Ex. 0.064
-0.096 (0.0025 -0.0038)
In. 35.080-35.096 (1.3811 -1.3817) 35.580-35.596 (1.4008 -1.4014)
Valve seatouter diameter (d)
Ex.31.080-31.096 (1.2236 -1.2242) 31.580-31.596 (1.2433 -1.2439)
In. 6.25(0.2461)
Depth (H)
Ex. 6.25(0.2461)
In. 62-63 (0.244 -0.248) 5.4-5.5 (0.213 -0.217)
Height (h)
Ex.6.2-6.3 (0.244 -0.248) 532-5.42 (0.2094 -0.2134)
EM-165