Mazda 323 1988 Workshop Manual page 194

RADIATOR CAP, ELECTRIC FAN MOTOR
36
RADIATOR CAP
INSPECTION
Radiator Cap Valve
1. Remove foreign material (water residue, etc.) from
between the radiator cap valve and the valve seat.
2. Attach the radiator cap with
SST
to a tester. Ap-
ply pressure gradually to
74-103 kPa
(0.75-1.05 kg/cm', 11-15 psi).
3. Wait about 10 seconds, and check whether the
pressure has decreased.
The cap is normal if the pressure is, maintained
for about IO seconds.
RR, I"?Y-""!
3
Negative-Pressure Valve
I. Pull the negative-pressure valve to open it. Check
that it closes completely when released.
2. Check for damage on the contact surfaces,
cracked or deformed seal packing. Replace the
radiator cap if necessary.
ELECTRIC FAN MOTOR
INSPECTION (FOR 2WD)
1. Disconnect the fan motor connectors.
2. Confirm that the battery voltage is approx. 12V.
3. Connect an ammeter and battery to the fan motor
connectors.
4. Check that the fan motor operates smoothly at the
standard current or less.
Standard current: 10.0-l 1 .O Amperes
5. If the fan motor is faulty, replace it,
38-S