2006 ACURA CSX engine coolant

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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DYNOMITE -2009-

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10-10Cooling System
Thermostat Replacement
THERMOSTAT ASSEMBLY
HARNESS CLAMP LOWER RADIATOR HOSE 6x1.0mm
10 N·m (1.0 kgf·m, 7.2 lbf·ft)O-RING
1. Drain the engine coolant (see page 10-8).
2. Remove the splash shield (see step 25 on page 5-5).
3. Remove the lower radiator hose, then remove the thermostat.
4. Install the new thermostat assembly with a new O-ring, then install the lower radiator hose.
5. Install the splash shield (see step 40 on page 5-20).
6. 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).
7. Clean up any spilled engine coolant.
Replace.
08/08/21 14:39:59 61SNR030_100_0010
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DYNOMITE -2009-




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10-11
Water Passage Replacement
C D
E B A B
A
1. Drain the engine coolant (see page 10-8).
2. Remove the alternator (see page 4-34).
3. Remove the A/C condenser fan shroud assembly.
4. Remove the A/C compressor without disconnecting
the A/C hoses (see step 40 on page 5-7).
5. Remove the intake manifold:
 K20Z2 engine (see page 9-3)
 K20Z3 engine (see page 9-7)
6. Remove the bolt (A) securing the connecting pipe.
7. Disconnect the lower radiator hose (B), the connecting pipe (C), and the water bypass hose (D),
and remove the harness clamp (E). 8. Disconnect the positive crankcase ventilation (PCV)
hose (A), then remove the water passage (B).
9. Remove the thermostat housing.
10. Remove the water pump:  K20Z2 engine (see page 10-6)
 K20Z3 engine (see page 10-7)
(cont’d)
08/08/21 14:40:00 61SNR030_100_0011
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DYNOMITE -2009-

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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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Removal - K20Z2 engine
10-1310-13
EGR Passage Removal and
Installation
A
B
A B
C
20. Install the intake manifold:
 K20Z2 engine (see page 9-4)
 K20Z3 engine (see page 9-9)
21. Install the A/C compressor (see step 28 on page 5-19).
22. Install the A/C condenser fan shroud assembly.
23. Install the alternator (see page 4-36).
24. 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).
25. Clean up any spilled engine coolant. 1. Drain the engine coolant (see page 10-8).
2. Remove the air cleaner assembly (see page 11-345).
3. Remove the harness holder (A) from the bracket,
then remove the harness holder bracket (B).
4. Disconnect the upper radiator hose (A), the heater hose (B), and the water bypass hose (C).
(cont’d)
08/08/21 14:40:01 61SNR030_100_0013
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Removal - K20Z2 engine
10-1310-13
EGR Passage Removal and
Installation
A
B
A B
C
20. Install the intake manifold:
 K20Z2 engine (see page 9-4)
 K20Z3 engine (see page 9-9)
21. Install the A/C compressor (see step 28 on page 5-19).
22. Install the A/C condenser fan shroud assembly.
23. Install the alternator (see page 4-36).
24. 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).
25. Clean up any spilled engine coolant. 1. Drain the engine coolant (see page 10-8).
2. Remove the air cleaner assembly (see page 11-345).
3. Remove the harness holder (A) from the bracket,
then remove the harness holder bracket (B).
4. Disconnect the upper radiator hose (A), the heater hose (B), and the water bypass hose (C).
(cont’d)
08/08/21 14:40:01 61SNR030_100_0013
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DYNOMITE -2009-




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Removal - K20Z3 engine
10-1610-16 Cooling System
EGR Passage Removal and
Installation (cont’d)
Water Outlet Removal and
Installation
BA
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
A
B
A B
C
5. Install the harness holder bracket (A), then install the harness holder (B).
6. Install the air cleaner assembly (see page 11-345).
7. 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).
8. Clean up any spilled engine coolant. 1. Drain the engine coolant (see page 10-8).
2. Remove the air cleaner assembly (see page 11-345).
3. Remove the harness holder (A) from the bracket,
then remove the harness holder bracket (B).
4. Disconnect the upper radiator hose (A), the heater hose (B), and the water bypass hose (C).
08/08/21 14:40:03 61SNR030_100_0016
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DYNOMITE -2009-




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Removal - K20Z3 engine
10-1610-16 Cooling System
EGR Passage Removal and
Installation (cont’d)
Water Outlet Removal and
Installation
BA
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
A
B
A B
C
5. Install the harness holder bracket (A), then install the harness holder (B).
6. Install the air cleaner assembly (see page 11-345).
7. 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).
8. Clean up any spilled engine coolant. 1. Drain the engine coolant (see page 10-8).
2. Remove the air cleaner assembly (see page 11-345).
3. Remove the harness holder (A) from the bracket,
then remove the harness holder bracket (B).
4. Disconnect the upper radiator hose (A), the heater hose (B), and the water bypass hose (C).
08/08/21 14:40:03 61SNR030_100_0016
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DYNOMITE -2009-