Acura CSX. Instruction - page 73
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K20Z3 engine
9-14
Intake Manifold and Exhaust System
8 x 1.25 mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
6 x 1.0 mm
10 N·m
(1.0 kgf·m, 7.2 lbf·ft)
8 x 1.25 mm
22 N·m (2.2 kgf·m, 16 lbf·ft)
HEAT SHIELD
GASKET
MUFFLER
EXHAUST PIPE B
SELF-LOCKING NUTS
10 x 1.25 mm
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
6 x 1.0 mm
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.
SNR9A000000000J1001ZCAT00
Engine Cooling
Cooling System
Fan Controls
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Component Location Index
. 10-2
Radiator Cap Test
. 10-4
Radiator Test
. 10-4
Fan Motor Test
. 10-5
Thermostat Test
. 10-5
Water Pump Inspection
. 10-6
Water Pump Replacement
. 10-6
Coolant Check
. 10-7
Coolant Replacement
. 10-8
Thermostat Replacement
. 10-10
Water Passage Replacement
. 10-11
EGR Passage Removal and Installation
. 10-13
Water Outlet Removal and Installation
. 10-16
Radiator and Fan Replacement
. 10-19
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Component Location Index
. 10-23
Symptom Troubleshooting Index
. 10-24
Circuit Diagram
. 10-25
Radiator Fan High Speed Circuit Troubleshooting
. 10-26
08/08/21 14:39:50 61SNR030_100_0001
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K20Z2 engine
10-2
Cooling System
Component Location Index
THERMOSTAT
RADIATOR
ENGINE COOLANT TEMPERATURE
(ECT) SENSOR 2
WATER PUMP
A/C CONDENSER FAN ASSEMBLY
RADIATOR FAN ASSEMBLY
WATER PASSAGE
COOLANT SEPARATOR
EXHAUST GAS RECIRCULATION
(EGR) PASSAGE
Test, page 10-5
Replacement, page 10-10
Replacement,
page 10-19
Inspection, page 10-6
Replacement, page 10-6
Replacement, page 10-19
Fan Motor Test, page 10-5
Replacement, page 10-19
Fan Motor Test, page 10-5
Replacement,
page 10-11
Replacement, page 10-13
08/08/21 14:39:53 61SNR030_100_0002
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K20Z3 engine
10-3
THERMOSTAT
RADIATOR
ENGINE COOLANT TEMPERATURE
(ECT) SENSOR 2
WATER PUMP
A/C CONDENSER FAN ASSEMBLY
RADIATOR FAN ASSEMBLY
WATER OUTLET
COOLANT SEPARATOR
OIL COOLER
WATER PASSAGE
Test, page 10-5
Replacement, page 10-10
Replacement, page 10-19
Inspection, page 10-6
Replacement, page 10-6
Replacement, page 10-19
Fan Motor Test, page 10-5
Replacement, page 10-19
Fan Motor Test, page 10-5
Replacement, page 10-16
Replacement, page 10-11
08/08/21 14:39:56 61SNR030_100_0003