Water Thermoswitch; Removal / Inspection / Installation - Mazda MX-5 1990 Workshop Manual

WATER THERMOSWITCH
E
WATER THERMOSWITCH
REMOVAL
I
INSPECTION
I
INSTALLATION
Caution
• Obtain the code number and deactivate the audio anti-theft system before disconnecting the
battery. (Refer to page T -113.)
1 . Disconnect the negative battery cable.
2. Remove in the order shown in the figure.
3. Install in the reverse order of removal, referring to Installation Note.
O-RING, REPLACE
5.9-6.6 N·m
(60-90 em·kg, 52-76 In·lb)
1. Water thermoswitch connector
\
05UOEX·031
05UOEX·029
2. Water thermoswitch
Inspection ................................... page E-13
Installation Note .......................... page E-13
INSPECTION
1 . Place the switch and a thermometer in water.
2. Heat the water gradually and check continuity of the switch
with an ohmmeter.
Coolant temperature °C (OF)
Continuity
More than 97 (207) Yes
Less than 90 (194) No
3. If not as specified, replace the water thermoswitch.
Installation Note
Water thermoswitch
1 . Apply a small amount of engine coolant to the new O-ring.
Caution
• Do not use an impact wrench for installation.
2. Install the water thermoswitch.
Tightening torque:
5.9-8.8 N·m (60-90 em-kg, 52-78 in-Ib)
E-13