Mazda 1996 626 Service Manual page 265

__________________ HEATER AND REFRIGERANT SYSTEM_______________
Compressor Noise Troubleshooting
Procedure ©
Check the entire refrigerant system for compressor oil and refrigerant leaks. If leakage is found,
repair or replace as necessary.
Procedure ©
Run the engine at a constant 3,000—4,000 rpm; then alternately switch the A/C compressor on and
off (turn the A/C switch on and off). If the noise remains, turn the ignition switch to LOCK for 1-2
minutes. Start the engine again, hold its speed at 3,000—4,000 rpm, and alternately switch the A/C
compressor on and off (turn the A/C switch on and off).
Procedure ©
After replacing parts, add compressor oil as shown in the following table.
Replace part
Condenser
Cooling unit
Piping hose/pipe
Receiver/drier
Oil supplement
15 ml {15 cc, 0.5 fl oz}
50 ml {50 cc, 1.7 fl oz}
6 ml {6 cc, 0.2 fl oz}
10 ml {10 cc, 0.3 fl oz}
G
G-51