Acura RSX Honda Integra. Manual — part 5
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S6M6A00000000000000NDAT01
Engine Electrical
Item
Measurement
Qualification
Standard or New
Service Limit
2-2
Standards and Service Limits
Ignition coil
Rated voltage
12 V
Firing order
1
3
4
2
Spark plug
Type
K20A3 engine
NGK: IZFR6K11
DENSO: SKJ20DR-M11
K20A2 engine
(2002-2004
models)
NGK: IFR7G11K, IFR7G11KS
DENSO: SK22PR-M11, SK22PR-M11S
K20Z1 engine
(2005-2006
models)
NGK: IFR7G11KS
DENSO: SK22PR-M11S
Gap
1.0
1.1 mm (0.039
0.043 in.)
1.3 mm (0.051 in.)
Ignition timing
At idle
Check the
mark
M/T (in neutral)
8°
2° BTDC
A/T (in N or P
position)
8°
2° BTDC
Drive belt
Tension
Auto tensioner
Alternator
(K20A3 engine)
Output
At 13.5 V and
normal engine
temperature
90 A
Coil (rotor) resistance
At 68°F (20°C)
1.84
2.10
Slip ring O.D.
22.7 mm (0.89 in.)
21.7 mm (0.85 in.)
Brush length
15.5 mm (0.61 in.)
1.5 mm (0.06 in.)
Brush spring tension
3.3
4.1 N (0.34
0.42 kgf, 0.7
0.9 lbf)
Alternator
K20A2
(2002-2004
models), K20Z1
(2005-2006
models)
engines
Output
At 13.5 V and
normal engine
temperature
95 A
Coil (rotor) resistance
At 68°F (20°C)
2.2
3.0
Slip ring O.D.
14.4 mm (0.57 in.)
14.0 mm (0.55 in.)
Brush length
10.5 mm (0.41 in.)
1.5 mm (0.06 in.)
Brush spring tension
2.9
3.5 N (0.30
0.36 kgf, 0.7
0.8 lbf)
Starter
(K20A3 engine)
Output
1.2 kW
Commutator mica depth
0.40
0.50 mm (0.016
0.020 in.)
0.15 mm (0.006 in.)
Commutator runout
0.02 mm (0.001 in.) max.
0.05 mm (0.002 in.)
Commutator O.D.
28.0
28.1 mm (1.102
1.106 in.)
27.5 mm (1.083 in.)
Brush length
11.1
11.5 mm (0.44
0.45 in.)
4.3 mm (0.17 in.)
Starter
K20A2
(2002-2004
models), K20Z1
(2005-2006
models)
engines
Output
1.1 kW
Commutator mica depth
0.50
0.80 mm (0.020
0.031 in.)
0.20 mm (0.008 in.)
Commutator runout
0.02 mm (0.001 in.) max.
0.05 mm (0.002 in.)
Commutator O.D.
28.0 mm (1.10 in.)
27.0 mm (1.06 in.)
Brush length
14.0
14.5 mm (0.55
0.57 in.)
9.0 mm (0.35 in.)
Brush spring tension
13.7
17.7 N (1.40
1.80 kgf, 3.09
3.97 lbf)
red
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Engine Assembly
Cylinder Head
Item
Measurement
Qualification
Standard or New
Service Limit
Item
Measurement
Qualification
Standard or New
Service Limit
2-3
Compression
Pressure
Check the engine with the starter
cranking
Minimum
930 kPa (9.5 kgf/cm , 135 psi)
Maximum
variation
200 kPa (2.0 kgf/cm , 28 psi)
Head
Warpage
0.05 mm (0.002 in.)
Height
103.95
104.05 mm (4.093
4.096 in.)
Camshaft
End play
0.05
0.20 mm (0.002
0.008 in.)
0.4 mm (0.02 in.)
Camshaft-to-holder oil clearance
No. 1 journal
0.030
0.069 mm (0.001
0.003 in.)
0.15 mm (0.006 in.)
No. 2, 3, 4, 5
journals
0.060
0.099 mm (0.002
0.004 in.)
0.15 mm (0.006 in.)
Total runout
0.03 mm (0.001 in.) max.
0.04 mm (0.002 in.)
Cam lobe height
(K20A3 engine)
Intake, primary
33.925 mm (1.3356 in.)
Intake,
secondary
29.638 mm (1.1668 in.)
Exhaust
34.092 mm (1.3422 in.)
Cam lobe height
K20A2 (2002-2004 models), K20Z1
(2005-2006 models) engines
Intake, primary
32.791 mm (1.2910 in.)
Intake, mid
35.534 mm (1.3990 in.)
Intake,
secondary
32.678 mm (1.2865 in.)
Exhaust, primary
32.772 mm (1.2902 in.)
Exhaust, mid
34.768 mm (1.3688 in.)
Exhaust,
secondary
32.661 mm (1.2859 in.)
(cont’d)
2
2
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Cylinder Head (cont’d)
Item
Measurement
Qualification
Standard or New
Service Limit
2-4
Standards and Service Limits
Valve
Clearance (cold)
Intake
0.21
0.25 mm (0.008
0.010 in.)
Exhaust
(K20A3 engine)
0.28
0.32 mm (0.011
0.013 in.)
Exhaust
K20A2
(2002-2004
models), K20Z1
(2005-2006
models)
engines
0.25
0.29 mm (0.010
0.011 in.)
Stem O.D.
Intake
5.475
5.485 mm (0.2156
0.2159 in.)
5.445 mm (0.214 in.)
Exhaust
5.450
5.460 mm (0.2146
0.2150 in.)
5.42 mm (0.213 in.)
Stem-to-guide clearance
Intake
0.030
0.055 mm (0.0012
0.0022 in.)
0.08 mm (0.003 in.)
Exhaust
0.055
0.080 mm (0.0022
0.0031 in.)
0.11 mm (0.004 in.)
Valve seat
Width
Intake
1.25
1.55 mm (0.049
0.061 in.)
2.00 mm (0.079 in.)
Exhaust
1.25
1.55 mm (0.049
0.061 in.)
2.00 mm (0.079 in.)
Stem installed height
Intake
44.0
44.5 mm (1.73
1.75 in.)
44.7 mm (1.76 in.)
Exhaust
44.1
44.6 mm (1.74
1.76 in.)
44.8 mm (1.76 in.)
Valve spring
Free length
(K20A3 engine)
Intake
47.61 mm (1.874 in.)
Exhaust
NIPPON HATSUJO:
49.64 mm (1.954 in.)
CHUO HATSUJO:
49.63 mm (1.954 in.)
Free length
K20A2 (2002 model) engine
Intake, inner
45.22 mm (1.780 in.)
Exhaust, inner
45.50 mm (1.791 in.)
Intake, outer
50.86 mm (2.002 in.)
Exhaust, outer
51.81 mm (2.040 in.)
Free length
K20A2 (2003-2004 models),
K20Z1 (2005-2006 models) engines
Intake
49.77 mm (1.959 in.)
Exhaust
50.39 mm (1.984 in.)
Valve guide
I.D.
Intake
5.515
5.530 mm (0.2171
0.2177 in.)
5.55 mm (0.219 in.)
Exhaust
5.515
5.530 mm (0.2171
0.2177 in.)
5.55 mm (0.219 in.)
Installed height
Intake
15.2
16.2 mm (0.598
0.638 in.)
Exhaust
15.5
16.5 mm (0.610
0.650 in.)
Rocker arm
Arm-to-shaft clearance
Intake
0.025
0.052 mm (0.0010
0.0020 in.)
0.08 mm (0.003 in.)
Exhaust
(K20A3 engine)
0.018
0.056 mm (0.0007
0.0022 in.)
0.08 mm (0.003 in.)
Exhaust
K20A2
(2002-2004
models), K20Z1
(2005-2006
models)
engines
0.025
0.052 mm (0.0010
0.0020 in.)
0.08 mm (0.003 in.)
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Engine Block
Item
Measurement
Qualification
Standard or New
Service Limit
2-5
Block
Warpage of deck
0.07 mm (0.003 in.) max.
0.10 mm (0.004 in.)
Bore diameter
A or l
86.010
86.020 mm (3.3862
3.3866 in.) 86.070 mm (3.3886 in.)
B or ll
86.000
86.010 mm (3.3858
3.3862 in.) 86.070 mm (3.3886 in.)
Bore taper
0.05 mm (0.002 in.)
Reboring limit
0.25 mm (0.01 in.)
Piston
Skirt O.D. at 11 mm (0.4 in.) from
bottom of skirt
No letter or A
85.980
85.990 mm (3.3850
3.3854 in.) 85.930 mm (3.3831 in.)
Letter B
85.970
85.980 mm (3.3846
3.3850 in.) 85.920 mm (3.3827 in.)
Clearance in cylinder
0.020
0.040 mm (0.0008
0.0016 in.)
0.05 mm (0.002 in.)
Ring groove width
Top
(K20A3 engine)
1.220
1.230 mm (0.0481
0.0484 in.)
1.25 mm (0.049 in.)
Top
K20A2
(2002-2004
models), K20Z1
(2005-2006
models)
engines
1.235
1.245 mm (0.0486
0.0490 in.)
1.265 mm (0.0498 in.)
Second
(K20A3 engine)
1.220
1.230 mm (0.0481
0.0484 in.)
1.25 mm (0.049 in.)
Second
K20A2
(2002-2004
models), K20Z1
(2005-2006
models)
engines
1.230
1.240 mm (0.0484
0.0488 in.)
1.260 mm (0.0496 in.)
Oil
2.005
2.025 mm (0.0789
0.0797 in.)
2.05 mm (0.081 in.)
(cont’d)
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