Nissan Terrano r20e. Manual — part 313
General Specifications
Engine model
TD27Ti
Cylinder arrangement
4, in-line
Displacement
cm
3
(cu in)
2,663 (162.5)
Bore x stroke
mm (in)
96 x 92 (3.8 x 3.6)
Valve arrangement
OHV
Firing order
1-3-4-2
Number of piston rings
Compression
2
Oil
1
Number of main bearings
5
Compression ratio
21.9±0.2
Unit: kPa (bar, kg/cm
2
, psi)/rpm
Compression pressure
Standard
2,942 (29.4, 30, 427)/200
Minimum
2,452 (24.5, 25, 356)/200
Differential limit between
cylinders
294 (2.9, 3, 43)/200
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
EM-143
Inspection and Adjustment
CYLINDER BLOCK AND CYLINDER LINER
Unit: mm (in)
NEM227
Nominal cylinder block height (H) (From
crankshaft center)
549.5 - 550.5
(21.6 - 21.7)
Cylinder bore
Inner diameter
Standard
Grade No. 1
96.000 - 96.010
(3.7795 - 3.7799)
Grade No. 2
96.010 - 96.020
(3.7799 - 3.7803)
Grade No. 3
96.020 - 96.030
(3.7803 - 3.7807)
Wear limit
0.20 (0.0079)
Out-of-round (X − Y)
Less than 0.020 (0.0008)
Taper (A − B)
Less than 0.20 (0.0079)
Division of each cylinder
Less than 0.05 (0.0020)
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
EM-144
VALVE GUIDE
Unit: mm (in)
Standard
Service
Valve guide outside
diameter
12.033 - 12.044
(0.4737 - 0.4742)
—
Valve guide inner diam-
eter (Finished size)
8.00 - 8.015 (0.3150 - 0.3156)
Cylinder head valve
guide hole diameter
12.00 - 12.011
(0.4724 - 0.4729)
—
Interference fit of valve
guide
0.022 - 0.044 (0.0009 - 0.0017)
Standard
Limit
Valve to guide clearance
Intake
0.020 - 0.050
(0.0008 - 0.0020)
0.15 (0.0059)
Exhaust
0.04 - 0.07
(0.0016 - 0.0028)
0.20 (0.0079)
Valve deflection limit
Intake
0.30 (0.0118)
Exhaust
0.40 (0.0157)
VALVE SEAT
Unit: mm (in)
SEM953C
Intake
Outer diameter “D
1
”
44.535 - 44.545
(1.7533 - 1.7537)
Inner diameter “D
2
”
38±0.1
(1.50±0.0039)
Diameter of seat “D
3
”
42.4 - 42.6
(1.669 - 1.677)
Cylinder head valve seat diam-
eter
44.500 - 44.515
(1.7520 - 1.7526)
Valve seat face angle “
φ
”
90°
Exhaust
Outer diameter “D
1
”
Standard
39.535 - 39.545
(1.5565 - 1.5569)
0.2 (0.008) Oversize
(Service)
39.735 - 39.745
(1.5644 - 1.5648)
0.4 (0.016) Oversize
(Service)
39.935 - 39.945
(1.5722 - 1.5726)
Inner diameter “D
2
”
32.9 - 33.1
(1.295 - 1.303)
Diameter of seat “D
3
”
37±0.1
(1.46±0.0039)
Cylinder head valve seat diam-
eter
Standard
39.495 - 39.510
(1.5549 - 1.555)
0.2 (0.008) Oversize
39.695 - 39.710
(1.5628 - 1.5634)
0.4 (0.016) Oversize
39.895 - 39.910
(1.5707 - 1.5713)
Valve seat face angle “
φ
”
90°
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
Inspection and Adjustment (Cont’d)
EM-145
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
53.80 (2.118)
Pressure height
mm/N (mm/kg, in/lb)
31.8/713.0 - 788.5
(31.8/72.7 - 80.4,
1.252/160.3 - 177.3)
Assembled height
mm/N (mm/kg, in/lb)
Standard
42.3/314.8 - 361.9
(42.3/32.1 - 36.9,
1.665/70.8 - 81.4)
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
0.79 - 1.19
(0.0311 - 0.0469)
Less than 1.75
(0.0689)
Exhaust
0.80 - 1.20
(0.0315 - 0.0472)
Less than 1.75
(0.0689)
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
Inspection and Adjustment (Cont’d)
EM-146
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