Nissan Terrano model r20 series 2004. Manual — part 60
VALVE
Unit: mm (in)
SEM188
Valve head diameter “D”
Intake
42.5 (1.67)
Exhaust
37 (1.5)
Valve length “L”
Intake
117 (4.61)
Exhaust
Valve stem diameter “d”
Intake
7.965 - 7.980
(0.3136 - 0.3142)
Exhaust
7.945 - 7.960
(0.3128 - 0.3134)
Valve seat angle “
α
”
Intake
45° - 45°30
′
Exhaust
Valve margin “T” limit
1.5 (0.059)
Valve stem end surface grinding
limit
0.2 (0.008)
Valve clearance (Hot)
Intake
0.25 (0.01)
Exhaust
VALVE SPRING
Free length
mm (in)
Painted red
53.9 (2.12)
Pressure height
mm/N (mm/kg, in/lb)
31.8/713.5 - 788.5
(31.8/72.7 - 80.4,
1.252/160.0 - 177.3)
Assembled height
mm/N (mm/kg, in/lb)
Standard
42.3/314.5 - 361.5
(42.3/32.1 - 36.9,
1.665/70.5 - 81.1)
Limit
42.3/296.2
(42.3/30.2,
1.665/66.6)
Out of square
mm (in)
2.0 (0.079)
CYLINDER HEAD TO VALVE DISTANCE
Unit: mm (in)
SEM724C
Standard
Limit
Intake
0.8 - 1.2
(0.031 - 0.047)
Less than 1.75
(0.0689)
Exhaust
0.8 - 1.2
(0.031 - 0.047)
Less than 1.75
(0.0689)
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
Inspection and Adjustment (Cont’d)
EM-146
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
Standard
Limit
Camshaft journal to
bushing clearance
0.020 - 0.109
(0.0008 - 0.0043)
Less than 0.15
(0.0059)
Camshaft journal
diameter
Front
50.721 - 50.740
(1.9969 - 1.9976)
—
2nd
50.521 - 50.540
(1.9890 - 1.9898)
—
3rd
50.321 - 50.340
(1.9811 - 1.9819)
—
4th
50.121 - 50.140
(1.9733 - 1.9740)
—
Rear
49.921 - 49.940
(1.9654 - 1.9661)
—
Camshaft bend (Total
indicator reading)
Less than 0.02
(0.0008)
Less than 0.06
(0.0024)
Camshaft end play
0.08 - 0.28
(0.0031 - 0.0110)
Less than 0.50
(0.0197)
EM671
Standard
Limit
Cam height “A”
41.570 (1.6366)
Less than
41.20 (1.6220)
Intake
Exhaust
41.900 (1.6496)
Less than
41.40 (1.6299)
VALVE LIFTER AND PUSH ROD
Unit: mm (in)
Standard
Limit
Valve lifter outer
diameter
24.960 - 24.970
(0.9827 - 0.9831)
—
Cylinder block valve
lifter hole diameter
25.000 - 25.033
(0.9843 - 0.9855)
—
Valve lifter to lifter
hole clearance
0.030 - 0.073
(0.0012 - 0.0029)
Less than 0.20
(0.0079)
Push rod bend (TIR)
Less than 0.3
(0.012°)
Less than 0.5
(0.020)
*: Total indicator reading
ROCKER SHAFT AND ROCKER ARM
Standard
Limit
Rocker shaft
Outer diameter
19.979 - 20.00
(0.7866 - 0.7874)
—
Rocker shaft bend
(TIR)*
0 - 0.10
(0 - 0.0039)
less than 0.30
(0.0188)
Rocker arm
Inner diameter
20.014 - 20.035
(0.7880 - 0.7888)
—
Clearance between
rocker arm and
rocker shaft
0.014 - 0.056
(0.0006 - 0.0022)
less than 0.15
(0.0059)
*: Total indicator reading
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
Inspection and Adjustment (Cont’d)
EM-147
PISTON, PISTON RING AND PISTON PIN
Available piston
Unit: mm (in)
SEM778A
Piston skirt diameter “A”
Standard
Grade No. 1
95.905 - 95.915
(3.7758 - 3.7762)
Grade No. 2
95.915 - 95.925
(3.7762 - 3.7766)
Grade No. 3*
95.925 - 95.935
(3.7766 - 3.7770)
“a” dimension
42.0 (1.654)
Piston pin hole diameter
30.002 - 30.007
(1.1812 - 1.1814)
Piston to cylinder liner clearance
0.043 - 0.077
(0.0017 - 0.0030)
“A” dimension
69.2 (2.724)
Grade No. 3 piston is not provided as a service part.
Piston pin
Unit: mm (in)
Piston pin outer diameter
29.995 - 30.000
(1.1809 - 1.1811)
Piston pin to piston clearance
0.002 to 0.012
(0.0001 to 0.0005)
Piston pin to connecting rod
clearance
Standard
0.025 - 0.043
(0.0010 - 0.0017)
Limit
0.15 (0.0059)
Piston ring
Unit: mm (in)
Standard
Limit
Side clearance
Top
0.00 - 0.05
(0.0 - 0.0020)
0.50 (0.0197)
2nd
0.04 - 0.072
(0.0016 - 0.0028)
0.30 (0.0118)
Oil
0.02 - 0.055
(0.0008 - 0.0022)
0.15 (0.0059)
Ring gap
Top
0.25 - 0.40
(0.0098 - 0.0157)
1.5 (0.059)
2nd
0.40 - 0.55
(0.0157 - 0.0217)
Oil (rail ring)
0.25 - 0.55
(0.0098 - 0.0217)
CONNECTING ROD
Unit: mm (in)
Center distance
156.975 - 157.025
(6.1801 - 6.1821)
Bend, torsion [per 200 (7.87)]
Limit
0.15 (0.0059)
Piston pin bore dia.
30.025 - 30.038
(1.1821 - 1.1826)
Side clearance
Standard
0.10 - 0.32
(0.0039 - 0.0126)
Limit
0.32 (0.0126)
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
Inspection and Adjustment (Cont’d)
EM-148
CRANKSHAFT
Unit: mm (in)
SEM100A
Journal diameter “A”
70.907 - 70.920
(2.7916 - 2.7921)
Pin diameter “B”
56.913 - 56.926
(2.2407 - 2.2412)
Center distance “S”
46.0 (1.811)
EM715
Taper of journal and pin “A-B”
Standard
Less than 0.01 (0.0004)
Limit
0.02 (0.0008)
Out-of-round of journal and pin
“X-Y”
Standard
Less than 0.01 (0.0004)
Limit
0.02 (0.0008)
Crankshaft bend
Standard
0 - 0.03 (0 - 0.0012)
Limit
0.10 (0.0039)
Crankshaft end play
Standard
0.060 - 0.25
(0.0024 - 0.0098)
Limit
0.40 (0.0157)
AVAILABLE MAIN BEARING
Bearing clearance
Unit: mm (in)
Main bearing clearance
Standard
0.035 - 0.083
(0.0014 - 0.0033)
Limit
Less than 0.15 (0.0059)
Connecting rod bearing clearance
Standard
0.035 - 0.077
(0.0014 - 0.0030)
Limit
Lees than 0.15 (0.0059)
Mean bearing undersize
Unit: mm (in)
Crank journal diameter
Standard
70.907 - 70.920
(2.7916 - 2.7921)
Undersize
0.25 (0.0098)
70.657 - 70.670
(2.7818 - 2.7823)
0.50 (0.0197)
70.407 - 70.420
(2.7719 - 2.7724)
0.75 (0.0295)
70.157 - 70.170
(2.7621 - 2.7626)
1.00 (0.0394)
69.907 - 69.920
(2.7522 - 2.7528)
AVAILABLE CONNECTING ROD BEARING
Connecting rod bearing undersize
Unit: mm (in)
Crank pin journal diameter
Standard
56.913 - 56.926
(2.2407 - 2.2412)
Undersize
0.25 (0.0098)
56.663 - 56.676
(2.2308 - 2.2313)
0.50 (0.0197)
56.413 - 56.426
(2.2210 - 2.2215)
0.75 (0.0295)
56.163 - 56.176
(2.2111 - 2.2116)
1.00 (0.0394)
55.913 - 55.926
(2.2013 - 2.2018)
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
Inspection and Adjustment (Cont’d)
EM-149
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