Page 1969 of 2893

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21-8721-87
A/C Compressor Thermal Protector
Replacement A/C Compressor Relief Valve
Replacement
7.4 N·m
(0.8 kgf·m, 5.5 lbf·ft)A
CB
B
A A
9.8 N·m (1.0 kgf·m, 7.2 lbf·ft)
B
1. Remove the bolt and the holder (A). Disconnect the
field coil connector (B), then remove the thermal
protector (C).
2. Replace the thermal protector (A) with a new one, and apply silicone sealant (B) to the bottom of the
thermal protector.
3. Install the thermal protector in the reverse order of removal. NOTE: If the A/C compressor relief valve released
refrigerant to the atmosphere, determine and correct
the cause of the excessive system pressure, then
replace the relief valve.
1. Recover the refrigerant with a recovery/recycling/ charging station (see page 21-90).
2. Remove the relief valve (A), and the O-ring (B). Plug the opening to keep foreign matter from entering
the system and the A/C compressor oil from
running out.
3. Clean the mating surfaces.
4. Replace the O-ring with a new one at the relief valve, and apply a thin coat of refrigerant oil before
installing it.
5. Remove the plug, and install and tighten the relief valve.
6. Charge the system (see page 21-92).
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Page 1970 of 2893
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21-88 Climate Control
A/C Condenser Replacement
6x1.0mm
9.8 N·m (1.0 kgf·m, 7.2 lbf·ft)
A
6x1.0mm
9.8 N·m (1.0 kgf·m, 7.2 lbf·ft) A 6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)
A
A
B CD
1. Recover the refrigerant with a recovery/recycling/
charging station (see page 21-90).
2. Remove the front grille: ’06-08 models (see page 20-160)
’09 model (see page 20-161)
3. Remove the bolts, then disconnect the discharge hose (A) from the A/C condenser.
4. Remove the bolt, then disconnect the receiver line (A) from the A/C condenser. 5. Remove the bolts and the A/C condenser upper
mount brackets (A).
6. Lift the tab (A) to release the lock, then remove the outside air temperature sensor (B) from the bracket.
Disconnect the 2P connector (C), then remove the
clip (D).
7. Remove the hood latch (see page 20-181).
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Page 1971 of 2893

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21-8921-89
Receiver/Dryer Desiccant
Replacement
A 6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)
6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft) A
B
C
8. Remove the A/C condenser (A) by lifting it up. Be careful not to damage the radiator and A/C
condenser fins when removing the A/C condenser.
9. Install the A/C condenser in the r everse order of
removal, and note these items:
If you’re installing a new A/C condenser, add refrigerant oil (SP-10) (see page 21-7).
Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before
installing them. Be sure to use the correct O-rings
for HFC-134a (R-134a) to avoid leakage.
Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture
absorption.
Do not spill the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil
contacts the paint, wash it off immediately.
Charge the system (see page 21-92).
Adjust the hood latch (see page 20-152). NOTE: Install the receiver/dryer as quickly as possible
to prevent the system from absorbing moisture from
the air.
1. Remove the A/C condenser (see page 21-88).
2. Remove the bolts from the A/C condenser, then remove the receiver/dryer (A), the bracket (B), and
the O-rings (C).
3. Install the receiver/dryer in the reverse order of removal. Replace the O-rings with new ones, and
apply a thin coat of refrigerant oil (SP-10) before
installing them. Be sure to use the correct O-rings
for HFC-134a (R-134a) to avoid leakage.
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Page 1972 of 2893

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21-8921-89
Receiver/Dryer Desiccant
Replacement
A 6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)
6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft) A
B
C
8. Remove the A/C condenser (A) by lifting it up. Be careful not to damage the radiator and A/C
condenser fins when removing the A/C condenser.
9. Install the A/C condenser in the r everse order of
removal, and note these items:
If you’re installing a new A/C condenser, add refrigerant oil (SP-10) (see page 21-7).
Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before
installing them. Be sure to use the correct O-rings
for HFC-134a (R-134a) to avoid leakage.
Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture
absorption.
Do not spill the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil
contacts the paint, wash it off immediately.
Charge the system (see page 21-92).
Adjust the hood latch (see page 20-152). NOTE: Install the receiver/dryer as quickly as possible
to prevent the system from absorbing moisture from
the air.
1. Remove the A/C condenser (see page 21-88).
2. Remove the bolts from the A/C condenser, then remove the receiver/dryer (A), the bracket (B), and
the O-rings (C).
3. Install the receiver/dryer in the reverse order of removal. Replace the O-rings with new ones, and
apply a thin coat of refrigerant oil (SP-10) before
installing them. Be sure to use the correct O-rings
for HFC-134a (R-134a) to avoid leakage.
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Page 1973 of 2893
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21-90Climate Control
Refrigerant Recovery
A
C B
Air conditioning refrigerant or lubricant vaporcan irritate your eyes, nose, or throat.
Be careful when connecting service equipment.
Do not breathe refrigerant or vapor.
NOTE: If accidental system discharge occurs, ventilate the work area before resuming service.
Additional health and safety information may be obtained from the refrigerant and lubricant
manufacturers.
1. Connect an R-134a refrigerant recovery/recycling/ charging station (A) to the high-pressure service
port (B) and the low-pressure service port (C), as
shown, following the equipment manufacturer’s
instructions. 2. Measure the amount of refrigerant oil removed
from the A/C system after the recovery process is
completed. Be sure to put the same amount of new
refrigerant oil back into the A/C system before
charging.
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Page 1974 of 2893

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21-91
System Evacuation
A
C B
Air conditioning refrigerant or lubricant vaporcan irritate your eyes, nose, or throat.
Be careful when connecting service equipment.
Do not breathe refrigerant or vapor.
NOTE: If accidental system discharge occurs, ventilate the work area before resuming service.
Additional health and safety information may be obtained from the refrigerant and lubricant
manufacturers.
Do not allow moisture to contaminate the A/C system oil. Moisture in the oil is difficult to remove, and it can
damage the A/C compressor.
1. When an A/C System has been opened to the atmosphere, such as during installation or repair, it
must be evacuated using an R-134a refrigerant
recovery/recycling/charging station. If the system
has been open for several days, the receiver/dryer
should be replaced, recover the refrigerant, if any,
from the A/C system (see page 21-90). And the
system should be evacuated for several hours.2. Connect an R-134a refrigerant recovery/recycling/
charging station (A) to the high-pressure service
port (B) and the low-pressure service port (C), as
shown, following the equipment manufacturer’s
instructions. Recover the refrigerant, if any, from
the A/C system (see page 21-90).
3. Evacuate the system. The vacuum pump should run for a minimum of 45 minutes to eliminate all
moisture from the system. When the suction gauge
reads 93.3 kPa (700 mmHg, 27.6 in.Hg) for at least
45 minutes, close all valves, and turn off the
vacuum pump.
4. If the suction gauge does not reach approximately 93.3 kPa (700 mmHg, 27.6 in.Hg) in 15 minutes,
there is probably a leak in the system. Partially
charge the system, and check for leaks (see page
21-93).
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Page 1975 of 2893

µ
Î
(#'
)Refrigerant Capacity:
400 to 450 g
0.40 to 0.45 kg
0.9 to 1.0 lbs
14.1 to 15.9 oz
21-92
Climate Control
System Charging
A
C B
Air conditioning refrigerant or lubricant vaporcan irritate your eyes, nose, or throat.
Be careful when connecting service equipment.
Do not breathe refrigerant or vapor.
NOTE: If accidental system discharge occurs, ventilate the work area before resuming service.
Additional health and safety information may be obtained from the refrigerant and lubricant
manufacturers.
1. Connect an R-134a refrigerant recovery/recycling/ charging station (A) to the high-pressure service
port (B) and the low-pressure service port (C), as
shown, following the equipment manufacturer’s
instructions. 2. Recover the refrigerant in the A/C system (see page
21-90).
3. Evacuate the system (see page 21-91). If the system cannot reach a vacuum of 93.3 kPa (700 mmHg,
27.6 in.Hg) in 15 minutes, or cannot hold a vacuum
for at least 15 minutes, there is probably a leak. Do
the Refrigerant Leak Check (see page 21-93), and
repair any leaks before charging the system.
4. Add the same amount of new refrigerant oil to the system that was removed during recovery. Use
only SP-10 refrigerant oil.
5. Charge the system with the specified amount of R-134a refrigerant. Do not overcharge the system;
the A/C compressor will be damaged.
Select the appropriate units of measure for your
refrigerant charging station.
6. Check for refrigerant leaks (see page 21-93).
7. Check the system performance (see page 21-99).
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Special Tools Required
Leak Detector Usage Tips (Refer to the
Operator’s Manual for complete operating
instructions)
21-93
Refrigerant Leak Check
Leak detector YGK-H-10PM
Leak detector HLD-100
Leak detector TIFZX-1, or commercially available
OPTIMAX Jr. A/C Leak Detection Kit (TRP124893)
These tools are available through the Honda Tool and
Equipment Program; call
888-424-6857
Air conditioning refrigerant or lubricant vapor can irritate your eyes, nose, or throat.
Be careful when connecting service equipment.
Do not breathe refrigerant or vapor.
NOTE: If accidental system discharge occurs, ventilate the work area before resuming service.
Additional health and safety information may be obtained from the refrigerant and lubricant
manufacturers.
Check the system for leaks using an R-134a refrigerant leak detector with an accuracy of 14 g
(0.5 oz) per year or better. Position the vehicle in a wind-free work area. This will
aid in detecting small leaks.
When using the leak detector for the first time, allow it to warm up for 2 minutes with the probe in a clean
atmosphere. This lets the temperature sensor in the
detector stabilize.
The calibration check should be done in the ‘‘Search 2’’ mode. Once that is done, the other check
modes do not need calibrating.
When leak checking through the HVAC module drain hose, avoid drawing water into the probe. Water can
damage the internal pump and sensor.
Avoid creasing the flexible probe extension. Creases can restrict air flow and give false readings.
Because the detector recalibrates itself for ambient gases, it may be necessary to move the detector
away from the leak to clear the sensor. Once the
sensor has cleared, recheck the suspected leak.
When removing the clear probe tip, be careful not to lose the flow ball.
R-134a is heavier than air; always check below and to the sides of all potential leak sources.
Halogen leak detectors are sensitive to chemicals: windshield washing solutions, solvents/cleaners, and
some vehicle adhesives. Keep these chemicals out of
the area when doing leak detection.
(cont’d)
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