ad blue ACURA CSX 2006 Service Repair Manual






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’06 Model
Vehicle Identification Number Engine Number
Transmission Number
Paint Code
a. Manufacturer, Make and Type of Vehicle
b. Line, Body and Engine Type c. Body Type and Transmission Type
d. Vehicle Grade (Series) e. Check Digit f. Model Year
g. Factory Code
h. Serial Number a. Engine Type
b. Serial Number
a. Transmission Type
b. Serial Number
1-2 General Information
Chassis and Paint Codes
2HH 6
200001
FD5 5 *
6H K20Z2 1300001
-
RPD6 1000001 -
ab
cdef gh ab
ab
Vehicle Identification Number and
Canadian Motor Vehicle Safety
Standard Certification Label. COLOR LABEL
2HH: Honda of Canada Mfg.,
Honda Canada Inc.
Acura passenger vehicle
FD5: Acura CSX/K20Z2
5: 4-door Sedan/5-speed Manual
6: 4-door Sedan/5-speed Automatic
5: TOURING
7: PREMIUM
6: ’06
H: Alliston, Ontario Factory in Canada K20Z2: 2.0 L DOHC i-VTEC Sequential Multiport
Fuel-injected engine
RPD6: 5-speed Manual
MPMA: 5-speed Automatic Code Color
NH-578 Taffeta White
NH-700M Alabaster Silver Metallic
NH-701M Galaxy Gray Metallic
B-92P Nighthawk Black Pearl
B-536P Royal Blue Pearl
B-537M Neutron Blue Metallic
YR-557P Habanero Red Pearl
08/08/21 14:05:56 61SNR030_010_0002
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DYNOMITE -2009-

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’07 Model
Vehicle Identification Number Engine Number
Transmission Number
Paint Code
a. Manufacturer, Make and Type of Vehicle
b. Line, Body and Engine Type c. Body Type and Transmission Type
d. Vehicle Grade (Series)
e. Check Digit f. Model Year
g. Factory Code
h. Serial Number a. Engine Type
b. Serial Number
a. Transmission Type
b. Serial Number
1-3
2HH 6 200001
FD5 5 *
7H
abcdefgh
Vehicle Identification Number and
Canadian Motor Vehicle Safety
Standard Certification Label.
K20Z2 2300001 -
RPD5 1500001 -
ab
ab
COLOR LABEL
2HH: Honda of Canada Mfg.,
Honda Canada Inc.
Acura passenger vehicle
FD5: Acura CSX/K20Z2, K20Z3
5: 4-door Sedan/5-speed Manual, 6-speed Manual
6: 4-door Sedan/5-speed Automatic
5: TOURING
7: PREMIUM
9: TYPE S
7: ’07
H: Alliston, Ontario Factory in Canada
200001 : K20Z2 engine model
250001 : K20Z3 engine model K20Z2: 2.0 L DOHC i-VTEC Sequential Multiport
Fuel-injected engine
K20Z3: 2.0 L DOHC i-VTEC Sequential Multiport Fuel-injected engine
2300001 : K20Z2
2000001 : K20Z3
RPD5: 5-speed Manual
PNN3: 6-speed Manual
MPMA: 5-speed Automatic
1000001 : PNN3
1500001 : RPD5
2000001 : MPMA
Code Color
NH-578 Taffeta White
NH-700M Alabaster Silver Metallic
NH-701M Galaxy Gray Metallic
B-92P Nighthawk Black Pearl
B-529P Fiji Blue Pearl
B-536P Royal Blue Pearl
B-537M Neutron Blue Metallic
YR-557P Habanero Red Pearl
08/08/21 14:05:57 61SNR030_010_0003
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DYNOMITE -2009-

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’08 Model
Vehicle Identification Number Engine Number
Transmission Number
Paint Code
a. Manufacturer, Make and Type of Vehicle
b. Line, Body and Engine Type c. Body Type and Transmission Type
d. Vehicle Grade (Series)
e. Check Digit f. Model Year
g. Factory Code
h. Serial Number a. Engine Type
b. Serial Number
a. Transmission Type
b. Serial Number
1-4 General Information
Chassis and Paint Codes (cont’d)
2HH 6
200001
FD5 5 *
8H
abcdefgh
Vehicle Identification Number and
Canadian Motor Vehicle Safety
Standard Certification Label.
K20Z2 3300001 -
RPD5 2500001 -
ab
ab
COLOR LABEL
2HH: Honda of Canada Mfg.,
Honda Canada Inc.
Acura passenger vehicle
FD5: Acura CSX/K20Z2, K20Z3
5: 4-door Sedan/5-speed Manual, 6-speed Manual
6: 4-door Sedan/5-speed Automatic
5: CSX
7: PREMIUM
9: TYPE S
8: ’08
H: Alliston, Ontario Factory in Canada
200001 : K20Z2 engine model
250001 : K20Z3 engine model K20Z2: 2.0 L DOHC i-VTEC Sequential Multiport
Fuel-injected engine
K20Z3: 2.0 L DOHC i-VTEC Sequential Multiport Fuel-injected engine
3300001 : K20Z2
3000001 : K20Z3
RPD5: 5-speed Manual
PNN3: 6-speed Manual
MPMA: 5-speed Automatic
2000001 : PNN3
2500001 : RPD5
3000001 : MPMA
Code Color
NH-578 Taffeta White
NH-700M Alabaster Silver Metallic
NH-701M Galaxy Gray Metallic
B-92P Nighthawk Black Pearl
B-529P Fiji Blue Pearl
B-536P Royal Blue Pearl
R-525P New Red Pearl
08/08/21 14:05:58 61SNR030_010_0004
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DYNOMITE -2009-

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’09 Model
Vehicle Identification Number Engine Number
Transmission Number
Paint Code
a. Manufacturer, Make and Type of Vehicle
b. Line, Body and Engine Type c. Body Type and Transmission Type
d. Vehicle Grade (Series)
e. Check Digit f. Model Year
g. Factory Code
h. Serial Number a. Engine Type
b. Serial Number
a. Transmission Type
b. Serial Number
1-5
2HH 6 200001
FD5 5 *
9H
abcdefgh
Vehicle Identification Number and
Canadian Motor Vehicle Safety
Standard Certification Label.
K20Z2 5300001 -
SPTM 4000001 -
ab
ab
COLOR LABEL
2HH: Honda of Canada Mfg.,
Honda Canada Inc.
Acura passenger vehicle
FD5: Acura CSX/K20Z2, K20Z3
5: 4-door Sedan/5-speed Manual, 6-speed Manual
6: 4-door Sedan/5-speed Automatic
5: CSX
7: TECH PKG
9: TYPE S
9: ’09
H: Alliston, Ontario Factory in Canada
200001 : K20Z2 engine model
250001 : K20Z3 engine model K20Z2: 2.0 L DOHC i-VTEC Sequential Multiport
Fuel-injected engine
K20Z3: 2.0 L DOHC i-VTEC Sequential Multiport Fuel-injected engine
5300001 : K20Z2
4000001 : K20Z3
SPTM: 5-speed Manual
SPNM: 6-speed Manual
MPMA: 5-speed Automatic
4000001 : SPTM
4000001 : SPNM
4000001 : MPMA
Code Color
NH-578 Taffeta White
NH-700M Alabaster Silver Metallic
NH-731P Crystal Black Pearl
NH-737M Polished Metal Metallic
B-561P Dyno Blue Pearl
YR-578M Urban Titanium Metallic
B-536P Royal Blue Pearl
R-525P New Red Pearl
08/08/21 14:05:59 61SNR030_010_0005
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Valve Seat Width
Standard (New): 1.25 1.55 mm (0.049 0.061 in.)
Service Limit: 2.00 mm (0.079 in.)
6-58 Cylinder Head
Valve Seat Reconditioning
45 °
INTAKE: 35 °
EXHAUST: 30 °
67.5 ° A
B
1. Inspect the valve stem-to-guide clearance
(see page 6-55). If the valve guides are worn,
replace them (see page 6-56) before cutting the
valve seats.
2. Renew the valve seats in the cylinder head using a valve seat cutter.
3. Carefully cut a 45 ° seat, removing only enough material to ensure a smooth and concentric seat.
4. Bevel the upper and lower edges at the angles
shown in the illustration.
Check the width of the seat and adjust accordingly. 5. Make one more very light pass with the 45 ° cutter
to remove any possible burrs caused by the other
cutters.
6. After resurfacing the seat, inspect for even valve seating. Apply Prussian Blue compound (A) to the
valve face. Insert the valve in its original location in
the head, then lift it and snap it closed against the
seat several times.
7. The actual valve seating surface (B), as shown by the blue compound, should be centered on the seat.
 If it is too high (closer to the valve stem), you must make a second cut with the 67.5 ° cutter to
move it down, then one more cut with the 45 °
cutter to restore seat width.
 If it is too low (close to the valve edge), you must make a second cut with the 35 ° cutter (intake
side) or the 30 ° cutter (exhaust side) to move it
up, then make one more cut with the 45 ° cutter
to restore seat width.
NOTE: The final cut should always be made with
the 45 ° cutter.
08/08/21 14:28:22 61SNR030_060_0058
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Connecting Rod Bearing Clearance
Inspection
Connecting Rod Bearing-to-Journal Oil Clearance
K20Z2 engine
Standard (New): 0.020 0.050 mm (0.0008 0.0020 in.)
Service Limit: 0.060 mm (0.0024 in.)
K20Z3 engine
Standard (New): 0.032 0.066 mm (0.0013 0.0026 in.)
Service Limit: 0.077 mm (0.0030 in.)
7-87-8 Engine Block
Crankshaft Main Bearing
Replacement (cont’d)
Connecting Rod Bearing
Replacement
Larger crank bore
1or
AorI 2or
BorII 3or
C or III4or
D or IIII
Smaller bearing (Thicker)
Blue
Pink
Yellow Green
Green/
Brown
Brown Green
Green/
Brown
Brown Green
Green/
Brown
Brown Green
Green/
Brown
Brown
Black Black/
Blue
Crank
bore
code
Pink/
YellowYellow
Yellow
Pink/
Yellow
Black
Black Black/
Blue
Main
journal
code
1
2
3
4
5
6
Smaller
main
journal Smaller
bearing
(Thicker)
3. Use the crank bore codes and crank journal codes
to select the appropriate replacement bearings
from the following table.
NOTE: Color code is on the edge of the bearing.
 When using bearing halves of different colors, it does not matter which color is used in the top or
bottom. 1. Remove the oil pump (see page 8-16).
2. Remove the baffle plates (see step 8 on page 7-13).
3. Remove the connecting rod cap and the bearing
half.
4. Clean the crankshaft rod journal and the bearing half with a clean shop towel.
5. Place plastigage across the rod journal.
6. Reinstall the bearing half and connecting rod cap, and tighten the bolts to 20 N·m (2.0 kgf·m, 14 lbf·ft)90 ° (K20Z2 engine) or 29 N·m (3.0 kgf·m,
22 lbf·ft) 90 ° (K20Z3 engine).
NOTE:  Apply new engine oil to the bolt threads and flanges.
 Do not rotate the crankshaft during inspection.
7. Remove the connecting rod cap and the bearing half, and measure the widest part of the plastigage.
08/08/21 14:32:33 61SNR030_070_0008
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Connecting Rod Journal Code Location
7-10 Engine Block
Connecting Rod Bearing Replacement (cont’d)
No. 1 JOURNAL
No. 4 JOURNAL Larger big end bore
Smaller bearing (Thicker)
1orI 2orII
3orIII 4orIIII
Big end
bore
code
Smaller
rod
journal Smaller
bearing
(Thicker)
Rod
journal
code
Green/
BrownBlack
Yellow/
Green
Brown
Pink/
Yellow
Green
Brown Blue
Yellow Pink
Green Brown/
Black Brown/
Black
Green/
Brown
Yellow/
Green
Black/
Blue
A
B
C
D
3. The connecting rod journal codes are stamped on the crankshaft in either location. 4. Use the big end bore codes and rod journal codes
to select the appropriate replacement bearings
from the following table.
NOTE: Color code is on the edge of the bearing.
 When using bearing halves of different colors, it does not matter which color is used in the top or
bottom.
08/08/21 14:32:34 61SNR030_070_0010
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) Location Retainer
colorLine
diameter
Manufacturer
11-328 Fuel Supply System
Fuel Line/Quick-Connect Fitting Precautions
A
B
F H
I
G A
C
J
K
D
M L
E O
N
The fuel line/quick-connect fittings (A), (B), (C), (D), and
(E) connect the fuel rail (F) to fuel feed hose A (G), fuel
feed hose A to fuel feed hose B (H), fuel feed hose B to
the fuel line (I), the fuel line (J) to the fuel tank unit (K),
the fuel vapor line (L) to the EVAP canister (M) and the
fuel tank vapor recirculation tube (N) to the fuel fill pipe
(O). When removing or installing the fuel feed hose, the
fuel tank unit, or the fuel tank, you need to disconnect
or connect the quick-connect fittings.
Pay attention to the following:  The fuel feed hoses, the fuel line, and the quick- connect fittings are not heat-resistant; be careful not
to damage them during welding or other heat-
generating procedures.
 The fuel feed hoses, the fuel line, and the quick- connect fittings are not acid-proof; do not touch them
with a shop towel that was used for wiping battery
electrolyte. Replace them if they come in contact with
electrolyte or something similar.
 When connecting or disconnecting the fuel feed hoses, the fuel line, and the quick-connect fittings, be
careful not to bend or twist them excessively. Replace
them if they are damaged.
A disconnected quick-connect fitting can be
reconnected, but the retainer on the mating line cannot
be reused once it has been removed from the line.
Replace the retainer when: replacing the fuel rail.
 replacing the fuel line.
 replacing the fuel pump.
 replacing the fuel filter.
 replacing the fuel gauge sending unit.
 replacing the EVAP purge line.
 replacing the EVAP canister.
 replacing the fuel tank.
 replacing the fuel fill pipe.
 it has been removed from the line.
 it is damaged.
A Tokai Green 6.3 mm (0.2 in.)
B Tokai Blue green8mm
(0.3 in.)
C Sanoh White 9.5 mm (0.4 in.)
D Sanoh White 12 mm (0.5 in.)
E Tokai Natural 12 mm (0.5 in.)
* : This illustration shows K20Z2 engine.
08/08/21 14:29:51 61SNR030_110_0328
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14-220Automatic Transmission
A/T Clutch Pressure Control Solenoid Valve A Test (cont’d)
A
C B
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
E
D
9. Remove the mounting bolts and A/T clutch
pressure control solenoid valve A.
10. Remove the ATF pipe (B), the ATF joint pipes (C), the O-rings (D), and the gasket (E).
11. Check the fluid passage of the solenoid valve for contamination. 12. Connect a jumper wire from the negative battery
terminal to A/T clutch pressure control solenoid
valve A connector terminal No. 2, and connect
another jumper wire from the positive battery
terminal to connector terminal No. 1. Make sure
A/T clutch pressure control solenoid valve A moves.
13. Disconnect one of the jumper wires, and check valve movement at the fluid passage in the valve
body mounting surface. If the valve binds or moves
sluggishly, or if the solenoid valve does not operate,
replace A/T clutch pressure control solenoid
valve A.
14. Clean the mounting surfaces and the fluid passages of the A/T clutch pressure control solenoid valve
body and the transmission housing.
15. Install a new gasket on the transmission housing, and install the ATF pipe and the ATF joint pipes.
NOTE: Be sure to install a new gasket with the blue
side toward the transmission housing.
16. Install new O-rings over the ATF joint pipes.
17. Install A/T clutch pressure control solenoid valve A.
18. Check the connectors for rust, dirt, or oil, clean or repair if necessary, then connect the connectors
securely.
19. Install the air cleaner assembly (see page 11-345) and the intake air duct (see page 11-348).
Replace.
Replace.
08/08/21 14:46:46 61SNR030_140_0222
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14-221
A/T Clutch Pressure Control Solenoid Valve A Replacement
A
C B
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
E
D
1. Remove the intake air duct (see page 11-348) and
the air cleaner assembly (see page 11-345).
2. Disconnect the A/T clutch pressure control solenoid valve A connector.
3. Remove the mounting bolts and A/T clutch pressure control solenoid valve A.
4. Remove the ATF pipe (B), the ATF joint pipes (C), the O-rings (D), and the gasket (E). 5. Clean the mounting surface and the fluid passage
of the transmission housing.
6. Install a new gasket on the transmission housing, and install the ATF pipe and the ATF joint pipes.
NOTE: Be sure to install a new gasket with the blue
side toward the transmission housing.
7. Install new O-rings over the ATF joint pipes.
8. Install a new A/T clutch pressure control solenoid valve A.
9. Check the connector for rust, dirt, or oil, and clean or repair if necessary, then connect it securely.
10. Install the air cleaner assembly (see page 11-345) and the intake air duct (see page 11-348).
Replace.
Replace.
08/08/21 14:46:47 61SNR030_140_0223
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