Nissan Terrano r20e. Instruction — part 314
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
Intake
Exhaust
41.900 (1.6496)
Less than
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
95.890 - 95.900
(3.7752 - 3.7756)
Grade No. 2
95.900 - 95.910
(3.7756 - 3.7760)
Grade No. 3*
95.910 - 95.920
(3.7760 - 3.7764)
“a” dimension
45.2 (1.780)
Piston pin hole diameter
29.992 - 30.000
(1.1808 - 1.1811)
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
29.993 - 30.000
(1.1808 - 1.1811)
Piston pin to piston clearance
−0.008 to 0.007
(−0.0003 to 0.0003)
Piston pin to connecting rod
clearance
Standard
0.025 - 0.045
(0.0010 - 0.0018)
Limit
0.15 (0.0059P)
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
0.035 - 0.040
(0.0014 - 0.0016)
0.15 (0.0059)
Ring gap
Top
0.25 - 0.35
(0.0098 - 0.0014)
1.5 (0.059)
2nd
0.50 - 0.75
(0.0197 - 0.0295)
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 (3.94)]
Limit
0.15 (0.0059)
Piston pin bore dia.
30.025 - 30.038
(1.1821 - 1.1826)
Side clearance
Standard
0.10 - 0.22
(0.0039 - 0.0087)
Limit
0.22 (0.0087)
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”
46.00 (1.8110)
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 - 0.087
(0.0014 - 0.0034)
Limit
Less than 0.15 (0.0059)
Connecting rod bearing clearance
Standard
0.035 - 0.081
(0.0014 - 0.0032)
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 - 56.676
(2.2210 - 2.2313)
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
AVAILABLE THRUST WASHER
Unit: mm (in)
Thrust washer thickness
Standard
2.275 - 2.325 (0.0896 - 0.0915)
Oversize
0.20 (0.0079)
2.475 - 2.525 (0.0974 - 0.0994)
0.40 (0.0157)
2.675 - 2.725 (0.1053 - 0.1073)
MISCELLANEOUS COMPONENTS
Unit: mm (in)
Gear train
Backlash of each gear
Standard
0.07 - 0.11 (0.0028 - 0.0043)
Limit
0.20 (0.0079)
Flywheel
Runout (Total indicator
reading)
Less than 0.15 (0.0059)
Front plate
Warpage limit
0.2 (0.008)
Cylinder head
Head surface distorsion
Standard
Less than 0.07 (0.0028)
Limit
0.2 (0.008)
Minimum height
89.7 (3.532)
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
Inspection and Adjustment (Cont’d)
EM-150
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