Nissan Terrano model r20 series 2004. Instruction — part 45
VALVE SPRING
Free height
mm (in)
55.43 (2.1823)
Pressure
N (kg, lb) at height mm (in)
354 (36.1, 79.6) at 32.3 (1.2717)
Out-of-square
mm (in)
2.4 (0.094)
VALVE LIFTER
Unit: mm (in)
Valve lifter outer diameter
34.455 - 34.465 (1.3565 - 1.3569)
Lifter guide inner diameter
34.495 - 34.515 (1.3581 - 1.3589)
Clearance between lifter and lifter guide
0.030 - 0.060 (0.0012 - 0.0024)
VALVE GUIDE
Unit: mm (in)
FEM071
Standard
Valve guide
Outer diameter
11.023 - 11.034 (0.4340 - 0.4344)
Inner diameter (Finished size)
7.000 - 7.018 (0.2756 - 0.2763)
Cylinder head valve guide hole diameter
10.975 - 10.996 (0.4321 - 0.4329)
Interference fit of valve guide
0.027 - 0.059 (0.0011 - 0.0023)
Standard
Stem to guide clearance
Intake
0.023 - 0.056 (0.0009 - 0.0022)
Exhaust
0.040 - 0.073 (0.0016 - 0.0029)
Valve deflection limit
0.2 (0.0079)
Projection length
12.8 - 13.2 (0.5309 - 0.5197)
SERVICE DATA AND SPECIFICATIONS (SDS)
ZD
Valve (Cont’d)
EM-86
Valve Seat
Unit: mm (in)
YEM062
SEM373G
SEM375G
Standard
Service
Cylinder head seat recess diameter
(D)
Intake
33.000 - 33.015 (1.2992 - 1.2998)
33.500 - 33.515 (1.3189 - 1.3195)
Exhaust
31.495 - 31.510 (1.2400 - 1.2405)
31.995 - 32.010 (1.2596 - 1.2602)
Valve seat interference fit
Intake
0.050 - 0.078 (0.0020 - 0.0031)
Exhaust
0.040 - 0.066 (0.0016 - 0.0026)
SERVICE DATA AND SPECIFICATIONS (SDS)
ZD
EM-87
Valve seat outer diameter (d)
Intake
33.065 - 33.078 (1.3018 - 1.3023)
33.565 - 33.578 (1.3215 - 1.3220)
Exhaust
31.550 - 31.561 (1.2421 - 1.2426)
32.050 - 32.061 (1.2618 - 1.2622)
Height (h)
Intake
6.75 - 6.85 (0.2657 - 0.2697)
6.75 - 6.85 (0.2657 - 0.2697)
Exhaust
7.35 - 7.45 (0.2894 - 0.2933)
7.35 - 7.45 (0.2894 - 0.2933)
Depth (L)
Intake
43.65 - 44.35 (1.7185 - 1.7461)
Exhaust
43.65 - 44.35 (1.7185 - 1.7461)
SERVICE DATA AND SPECIFICATIONS (SDS)
ZD
Valve Seat (Cont’d)
EM-88
Camshaft and Camshaft Bearing
Unit: mm (in)
Standard
Limit
Camshaft journal to bearing clearance
0.045 - 0.090 (0.0018 - 0.0035)
0.09 (0.0035)
Inner diameter of camshaft bearing
30.000 - 30.021 (1.1811 - 1.1819)
—
Outer diameter of camshaft journal
29.931 - 29.955 (1.1784 - 1.1793)
—
Camshaft runout [TIR*]
—
0.02 (0.0008)
Camshaft sprocket runout [TIR*]
Less than 0.15 (0.0059)
—
Camshaft end play
0.065 - 0.169 (0.0026 - 0.0067)
0.2 (0.008)
*: Total indicator reading
EM671
Cam height “A”
Intake
40.468 - 40.508 (1.5932 - 1.5948)
Exhaust
40.830 - 40.870 (1.6075 - 1.6091)
Wear limit of cam height
0.15 (0.0059)
Valve timing
SEM372G
Unit: degree
a
b
c
d
e
234
220
10
34
50
SERVICE DATA AND SPECIFICATIONS (SDS)
ZD
EM-89
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