2006 ACURA CSX lock

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K20Z3 engine
9-14Intake Manifold and Exhaust System
Exhaust Pipe and Muffler Replacement (cont’d)
8 x 1.25 mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
6x1.0mm
10 N·m
(1.0 kgf·m, 7.2 lbf·ft)
8x1.25mm
22 N·m (2.2 kgf·m, 16 lbf·ft)
HEAT SHIELD
GASKET MUFFLER
EXHAUST PIPE B
SELF-LOCKING NUTS
10x1.25mm
33 N·m
(3.4 kgf·m, 25 lbf·ft)
GASKET
THREE WAY CATALYTIC CONVERTER
(TWC) ASSEMBLY
SECONDARY HEATED
OXYGEN SENSOR
(SECONDARY HO2S)
44 N·m (4.5 kgf·m, 33 lbf·ft)
AIR FUEL RATIO (A/F) SENSOR
44 N·m (4.5 kgf·m, 33 lbf·ft) GASKET
6x1.0mm
10 N·m
(1.0 kgf·m, 7.2 lbf·ft)
NOTE: Use new gaskets and self-locking nuts when reassembling.
Tighten the bolts in steps,
alternating side-to-side.
Tighten the bolts in steps,
alternating side-to-side.
Replace.
Replace.
Replace.
Replace.
08/08/21 14:37:39 61SNR030_090_0014
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DYNOMITE -2009-


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K20Z2 engine
10-610-6 Cooling System
Water Pump Inspection
Water Pump Replacement
A
A
B
A
6x1.0mm
12 N·m (1.2 kgf·m, 8.7 lbf·ft)
1. Remove the drive belt (see page 4-31).
2. Turn the water pump pulley counterclockwise, and check that it turns freely and smoothly. If it does not
turn smoothly, replace the water pump (see page
10-6).
NOTE: When you check the water pump, you may
see a small amount of ‘‘weeping’’ from the bleed
holes (A). This is normal.
3. Install the drive belt (see page 4-31). 1. Remove the drive belt (see page 4-31).
2. Drain the engine coolant (see page 10-8).
3. Remove the drive belt auto-tensioner pulley
(see page 4-33).
4. Remove the crankshaft pulley (see page 6-16).
5. Remove the six bolts securing the water pump, then remove the water pump (A).
6. Inspect, and clean the O-ring groove and mating surface of the water passage.
7. Install the water pump with a new O-ring (B).
8. Clean up any spilled engine coolant.
9. Install the crankshaft pulley (see page 6-17).
10. Install the drive belt auto-tensioner pulley (see page 4-33).
11. Install the drive belt (see page 4-31).
12. Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater
valve open (see step 6 on page 10-8).
08/08/21 14:39:57 61SNR030_100_0006
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K20Z2 engine
Engine Coolant Capacities (Including the coolant
reservoir capacity of 0.4 L (0.11 US gal))
M/T model:
After Coolant Change: 4.3 L (1.14 US gal)
After Engine Overhaul: 6.6 L (1.74 US gal)
A/T model:
After Coolant Change: 4.2 L (1.11 US gal)
After Engine Overhaul: 6.5 L (1.72 US gal)
K20Z3 engine
Engine Coolant Capacities (Including the coolant
reservoir capacity of 0.4 L (0.11 US gal))
After Coolant Change: 4.5 L (1.19 US gal)
After Engine Overhaul: 6.8 L (1.80 US gal)
10-8
Cooling System
Coolant Replacement
A
A
1. Wait until the engine is cool, then carefully removethe radiator cap.
2. Start the engine. Set the heater temperature control dial to maximum heat, then turn the ignition switch
to LOCK (0). Make sure the engine and the radiator
are cool to the touch.
3. Loosen the drain plug (A), and drain the coolant.
4. After the coolant has drained, tighten the radiator drain plug securely.
5. Remove, drain, and reinstall the coolant reservoir.
6. Fill the coolant reservoir to the MAX mark (A) with Honda Long Life Antifreeze/Coolant Type 2 (P/N
CA66688). 7. Pour Honda Long Life Antifreeze/Coolant Type 2
into the radiator up to the base of the filler neck.
NOTE: Always use Honda Long Life Antifreeze/Coolant Type 2. Using a non-Acura coolant can result in
corrosion, causing the cooling system to
malfunction or fail.
 Honda Long Life Antifreeze/Coolant Type 2 is a mixture of 50 % antifreeze and 50 % water. Do
not add water.
08/08/21 14:39:59 61SNR030_100_0008
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10-9
8. Loosely install the radiator cap.
9. Set the heater temperature control dial tomaximum heat.
10. Start the engine, and let it run until it warms up (the radiator fan comes on at least twice).
11. Turn off the engine. Check the level in the radiator, and add Honda Long Life Coolant/Antifreeze
Type 2, if needed.
12. Install the radiator cap securely, then start the engine again, and check for leaks.
13. Clean up any spilled engine coolant.
14. If the maintenance minder required engine coolant replacement, reset the maintenance minder
(see page 3-6), and this procedure is complete. If
the maintenance minder did not require engine
coolant replacement, go to step 15.
15. Turn the ignition switch to LOCK (0).
16. Connect the Honda Diagnostic System (HDS) to the data link connector (DLC) (see step 2 on page 11-3).
17. Turn the ignition switch to ON (II).
18. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain
control module (PCM). If it does not communicate,
troubleshoot the DLC circuit (see page 11- 204).
19. Select GAUGES in the BODY ELECTRICAL menu with the HDS.
20. Select ADJUSTMENT in the GAUGES with the HDS.
21. Select SERVICE REMINDER in the ADJUSTMENT menu with the HDS.
22. Select RESET in the SERVICE REMINDER menu with the HDS.
23. Select MAINTENACE SUB ITEM 5 RESET menu with the HDS.
08/08/21 14:39:59 61SNR030_100_0009
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10-12Cooling System
Water Passage Replacement (cont’d)
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
A B
C
A
10x1.25mm
44 N·m (4.5 kgf·m, 33 lbf·ft) B
A D
E C
B
F
8x1.25mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
11. Install the water pump: K20Z2 engine (see page 10-6)
 K20Z3 engine (see page 10-7)
12. Install the thermostat housing (A) with a new O-ring (B).
13. Clean and dry the water passage mating surfaces.
14. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0003, or 08718-0009, evenly to the engine
block mating surface of the water passage, and to
the inside edge of the threaded bolt holes. Install
the component within 5 minutes of applying the
liquid gasket.
NOTE: If you apply liquid gasket P/N 08718-0012, the component must be install within 4 minutes.
 If too much time has passed after applying the liquid gasket, remove the old liquid gasket and
residue, then reapply new liquid gasket. 15. Install the water passage (A) with a new O-ring (B).
NOTE: Wait at least 30 minutes before filling the engine with coolant.
 Do not run the engine for at least 3 hours after installing the water passage.
16. Connect the PCV hose (C).
17. Install the connecting pipe (A) with a new O-ring (B).
18. Connect the lower radiator hose (C) and the water bypass hose (D), and install the harness clamp (E).
19. Tighten the bolt (F) securing the connecting pipe.
Replace.
Apply liquid gasket
along the broken line. Replace.
Replace.
08/08/21 14:40:00 61SNR030_100_0012
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10-28Fan Controls
Radiator Fan High Speed Circuit Troubleshooting (cont’d)
FAN CONTROL RELAY 5P SOCKET
RADIATOR FAN MOTOR 2P CONNECTOR RED RADIATOR FAN RELAY 4P SOCKET
9. Check for continuity between fan control relay 5P
socket terminal No. 1 and radiator fan motor 2P
connector terminal No. 1.
Check for poor connections or loose
terminals at the under-hood fuse/relay box, the
radiator fan motor, and body ground (G 301), then
go to step 1.
Repair open in the wire between fan control
relay 5P socket terminal No. 1 and radiator fan
motor 2P connector terminal No. 1. 10. Turn the ignition switch to ON (II).
11. Measure the voltage between radiator fan relay 4P
socket terminal No. 3 and body ground.
Go to step 12.
Repair open in the wire between the under-
dash fuse/relay box and the under-hood fuse/relay
box.
12. Turn the ignition switch to LOCK (0).
13. Connect the Honda Diagnostic System (HDS) to the data link connector (DLC) (see step 2 on page 11-3).
14. Turn the ignition switch to ON (II).
15. Make sure the HDS communicates with the vehicle and the ECM/PCM. If it does not communicate,
troubleshoot the DLC circuit (see page 11-204).
16. Jump the SCS line with the HDS, then turn the ignition switch to LOCK (0).
NOTE: This step must be done to protect the ECM/
PCMfromdamage.
17. Disconnect ECM/PCM connector A (44P).
Terminal side of female termianls
Wire side of female terminals Terminal side of female terminals
Is there continuity?
Is there battery voltage?
08/08/21 14:40:33 61SNR030_100_0028
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DYNOMITE -2009-

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10-29
RADIATOR FAN RELAY 4P SOCKET
ECM/PCM CONNECTOR A (44P) PUR FAN CONTROL RELAY 5P SOCKET
18. Check for continuity between radiator fan relay 4P
socket terminal No. 4 and ECM/PCM connector
terminal A4.
Go to step 19.
Repair open in the wire between radiator fan
relay 4P socket terminal No. 4 and ECM/PCM
connector terminal A4. 19. Turn the ignition switch to ON (II).
20. Measure the voltage between fan motor control
relay 5P socket terminal No. 5 and body ground.
Go to step 21.
Repair open in the wire between the under-
dash fuse/relay box and the under-hood fuse/relay
box.
21. Turn the ignition switch to LOCK (0).
(cont’d)
Terminal side of female terminals
Terminal side of female terminals
Terminal side of female terminals
Is there continuity?Is there battery voltage?
08/08/21 14:40:34 61SNR030_100_0029
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DYNOMITE -2009-

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%)Ref. No. Tool Number Description Qty
11-2
Fuel and Emissions Systems
Special Tools
07AAA-SNAA100
Fuel Pump Module Locknut Wrench 1
07AAJ-S6MA150 Fuel Pressure Gauge Attachment Set 1
07JAZ-001000B Vacuum/Pressure Gauge, 0 4 in.Hg 1
07NAJ-P07010A Pressure Gauge Adapter 1
07ZAJ-S5AA200 Oil Pressure Hose 1
-1 07406-0020201 A/T Pressure Hose 1
-2 07406-0070301 A/T Low Pressure Gauge W/Panel 1
-3 07MAJ-PY4011A A/T Pressure Hose, 2,210 mm 1
-4 07MAJ-PY40120 A/T Pressure Adapter 1
07406-004000B Fuel Pressure Gauge 1
-1, -2, -3, -4
08/08/21 14:12:31 61SNR030_110_0002
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