Mazda RX-8 Workshop Manual page 2521

17 CHECK TO SEE WHETHER MALFUNCTION
IS WATER IN REFRIGERANT SYSTEM OR
ELSEWHERE
Is there is no refrigerant
pressure on the low
pressure side, or is it
normal?
18 CHECK TO SEE WHETHER MALFUNCTION
IS IN RECEIVER/DRYER FILTER OR
EXPANSION VALVE
Remove the expansion
valve and verify its
condition.
Is there refrigerant leakage
or valve clogging?
19 INSPECT EVAPORATIVE TEMPERATURE
SENSOR
Inspect the evaporator
temperature sensor.
(See EVAPORATOR
TEMPERATURE SENSOR
INSPECTION [FULL-AUTO
AIR CONDITIONER].)
Is it normal?
20 INSPECT AIR MIX DOOR RELATED PART
INSTALLATION
No Replace the O-ring of the leaking area.
After performing the following servicing, go to Step
21.
Adjust the compressor oil to the
specified level.
After discharging, charge with new
refrigerant to the specified level.
YesReplace the condenser.
(Water in refrigerant system)
(See CONDENSER
Then go to Step 21.
No Go to the next step.
YesIf there is foreign matter clogging the valve, remove
the foreign matter. If there is refrigerant leakage or
clogging, replace the expansion valve. Perform
discharge, charge with new refrigerant, and then go
to Step 21.
No Replace the condenser.
(Receiver/Dryer filter is clogged.)
(See CONDENSER
Then go to Step 21.
YesVerify the evaporator temperature sensor position.
(See A/C UNIT DISASSEMBLY/ASSEMBLY.)
Then go to Step 21.
No Replace the evaporator temperature sensor, then go
to Step 21.
(See A/C UNIT DISASSEMBLY/ASSEMBLY.)
YesGo to the next step.
REMOVAL/INSTALLATION.)
REMOVAL/INSTALLATION.)