Nissan Terrano model r20 series 2004. Manual — part 59
REAR PLATE
Installation
1. Before installing rear plate, remove all traces of liquid gasket
from mating surface using a scraper.
Also remove traces of liquid gasket from mating surface of cyl-
inder block.
2. Apply a continuous bead of liquid gasket to mating surface of
cylinder block.
3. Fit the rear plate into the cylinder block and apply liquid gasket
in the area indicated by discontinuous line.
4. After the transmission is installed, apply liquid gasket in the
area indicated by arrows.
5. Install all removed parts.
EEM109
EEM110
ENGINE OVERHAUL
TD27Ti
Assembly (Cont’d)
EM-142
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)
252.95 - 253.05
(9.959 - 9.963)
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
12.233 - 12.244
(0.4816 - 0.4820)
—
Valve guide inner diam-
eter (Finished size)
8.000 - 8.015 (0.3150 - 0.3156)
Cylinder head valve
guide hole diameter
12.200 - 12.211
(0.4803 - 0.4807)
—
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
0.040 - 0.070
(0.0016 - 0.0028)
0.15 (0.0059)
Valve deflection limit
Intake
0.35 (0.0138)
Exhaust
0.35 (0.0138)
VALVE SEAT
Unit: mm (in)
SEM953C
Intake
Outer diameter “D
1
”
Standard
44.535 - 44.545
(1.7533 - 1.7537)
0.5 (0.020) Oversize
(Service)
45.035 - 45.045
(1.7730 - 1.7734)
Inner diameter “D
2
”
38.0±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
Standard
44.515 - 45.035
(1.7526 - 1.7730)
0.5 (0.020) Oversize
(Service)
45.015 - 45.535
(1.7722 - 1.7927)
Valve seat face angle “
φ
”
89 - 90°
Exhaust
Outer diameter “D
1
”
Standard
39.535 - 39.545
(1.5565 - 1.5569)
0.5 (0.020) Oversize
(Service)
40.035 - 40.045
(1.5762 - 1.5766)
Inner diameter “D
2
”
32.9 - 33.1
(1.295 - 1.303)
Diameter of seat “D
3
”
36.9 - 37.1
(1.453 - 1.461)
Cylinder head valve seat diam-
eter
Standard
39.495 - 39.510
(1.5549 - 1.555)
0.5 (0.020) Oversize
39.995 - 40.010
(1.5746 - 1.5758)
Valve seat face angle “
φ
”
89 - 90°
SERVICE DATA AND SPECIFICATIONS (SDS)
TD27Ti
Inspection and Adjustment (Cont’d)
EM-145
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